Journal of the Optical Society of America BThis is an RSS file. You can use it to subscribe to this data in your favourite RSS reader, such as GoogleReader, or to display this data on your own website or blog. Subscribe to this data using MyMedWorm.Subscribe to this data using GoogleReader.Subscribe to this data using Bloglines.Subscribe to this data using MyYahoo.

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653 records returned

Thermo-optic controllable hybrid photonic polymers containing inorganic nanoparticlesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In order to control thermo-optic (T-O) coefficient of polymer materials, a hybrid polymer system with inorganic nanoparticles was examined. Because polymer materials have high T-O coefficient with low refractive index and inorganic materials have low T-O coefficient with high refractive index, we ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 19, 2009 Category: Physics Authors: Yu KurataOkihiro SugiharaToshikuni KainoKyoji KomatsuNobuyuki Kambe Source Type: journals

Surface-enhanced Raman imaging of fractal shaped periodic metal nanostructuresEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Surface-enhanced Raman scattering (SERS) from Rhodamine 6G (R6G) homogenously adsorbed on fractal shaped 170-nm-period square arrays formed by 50-nm-high gold nanoparticles (diameters of 80, 100, or 120 nm are constant within each array), fabricated on a smooth gold film by electron-beam ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 19, 2009 Category: Physics Authors: Jonas BeermannSergey M. NovikovOle AlbrektsenMichael G. NielsenSergey I. Bozhevolnyi Source Type: journals

Analysis of the measurement of polarization-shaped ultrashort laser pulses by tomographic ultrafast retrieval of transverse light E fieldsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We consider in detail the technique of tomographic ultrafast retrieval of transverse light E fields (TURTLE) for measuring the evolution of an arbitrary, potentially complex, and ultrashort laser pulse's intensity-and-phase and polarization-state evolutions in time. TURTLE involves making three ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 18, 2009 Category: Physics Authors: Lina XuPhilip SchlupOmid MasihzadehRandy A. BartelsRick Trebino Source Type: journals

Differential heterodyne detection with diffractive optics for multidimensional transient-grating spectroscopyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Heterodyne detection with a local oscillator generated by a diffractive optic provides good phase stability, but suffers from interfering single-beam-bleach signals. This interference is a problem in four-beam transient gratings, but becomes more severe in higher order transient gratings. A simple ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 18, 2009 Category: Physics Authors: Champak Khurmi Mark A. Berg Source Type: journals

Quantum diffraction of biphotons at a blazed gratingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Correlations between photons are interesting for a number of applications and concepts in metrology, in particular for resolution improvements in different methods of quantum imaging. We demonstrate the application of a blazed grating for the characterization of the degree of spatial correlation of ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 18, 2009 Category: Physics Authors: Martin OstermeyerDirk PuhlmannDietmar Korn Source Type: journals

Magneto-optical effect of DPS-DNG layered structureEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present theoretical and numerical results of our investigation of the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 18, 2009 Category: Physics Authors: J. H. Shahbazian A. S. Karakashian Source Type: journals

Surface polariton generation and fluorescence enhancement using a superlensEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a theoretical study of fluorescence enhancement in the vicinity of a superlens slab, the other side of which is connected to a prism. The fluorescent molecule is regarded as an electric dipole. The dipole excitation rate follows Fermi's golden rule, while its relaxation process has ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 17, 2009 Category: Physics Authors: Yingjie ZhangRuoyang ZhangZhishuai ZhangHaibo ZhuFeng Song Source Type: journals

Study of the induced potential produced by ultrashort pulses on metal surfacesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The relevance of the induced potential for photoelectron emission from metal surfaces resulting from grazing-incidence ultrashort laser pulses is studied. To describe this process we introduce a distorted-wave method, which includes the perturbation on the emitted electron produced by both the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 17, 2009 Category: Physics Authors: Marisa FaraggiIñigo AldazabalMaria Silvia GravielleAndres ArnauVyacheslav M. Silkin Source Type: journals

Bistable Helmholtz bright solitons in saturable materialsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present, to the best of our knowledge, the first exact analytical solitons of a nonlinear Helmholtz equation with a saturable refractive-index model. These new two-dimensional spatial solitons have a bistable characteristic in some parameter regimes, and they capture oblique (arbitrary-angle) ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 16, 2009 Category: Physics Authors: J. M. ChristianG. S. McDonaldP. Chamorro-Posada Source Type: journals

Broadband wavelength conversion based on apodized χ^(2) gratingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We achieved apodization in a quasi-phase-matched (QPM) wavelength converter by changing the duty cycle of a χ^(2) grating. The new design yields a large bandwidth and a flat phase-matching response with high conversion efficiency. Widely tunable 3-μm-band difference frequency generation ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 16, 2009 Category: Physics Authors: T. UmekiM. AsobeT. YanagawaO. TadanagaY. NishidaK. MagariH. Suzuki Source Type: journals

Active feedback of a Fabry-Perot cavity to the emission of a single InAs/GaAs quantum dotEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a detailed study of the use of Fabry-Perot (FP) cavities for the spectroscopy of single InAs quantum dots (QDs). We derive optimal cavity characteristics and resolution limits and measure photoluminescence linewidths as low as 0.9 GHz. By embedding the QDs in a planar cavity, we obtain a ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 16, 2009 Category: Physics Authors: Michael MetcalfeAndreas MullerGlenn S. SolomonJohn Lawall Source Type: journals

Nonlinear vortex modes in dual-core photonic crystal fiber couplersEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We study the different families of vortex-type modes that can exist in a photonic crystal fiber with two close defects forming a dual-core coupler and presenting the Kerr nonlinearity. Those complex modes bifurcate from the real double-dipole states leading to different states with different phase ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 16, 2009 Category: Physics Authors: José Ramón Salgueiro Francisco Santos Source Type: journals

Operating regimes, split-step modeling, and the Haus master mode-locking modelEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We develop an iterative (averaging) method to characterize the mode-locking dynamics in a laser cavity mode locked with a combination of wave plates and a passive polarizer. The model explicitly accounts for the effects of self- and cross-phase modulation, an arbitrary alignment of the fast- and ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 11, 2009 Category: Physics Authors: Edwin Ding J. Nathan Kutz Source Type: journals

High-efficiency surface plasmon polariton sourceEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The increasing application of plasmonic devices causes the requirement of high-efficiency surface plasmon polariton sources. Here, we present a new surface plasmon polariton coupler based on double nanoslits. By carefully choosing the geometry parameters of the structure, the coupling efficiency ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 9, 2009 Category: Physics Authors: Jian WangXiaoshuang ChenWei Lu Source Type: journals

Application of modified Padé approximant operators to time-domain beam propagation methodsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We demonstrate the usefulness of the recently introduced modified Padé approximant operators for the solution of time-domain beam propagation problems. We show this both for a wideband method, which can take reflections into account, and for a split-step method for the modeling of ultrashort ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 9, 2009 Category: Physics Authors: Khai Q. LeTrevor BensonPeter Bienstman Source Type: journals

Optical wave turbulence and the condensation of lightEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In an optical experiment, we report a wave turbulence regime that, starting with weakly nonlinear waves with randomized phases, shows an inverse cascade of photons toward the lowest wavenumbers. We show that the cascade is induced by a six-wave resonant interaction process and is characterized by ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 9, 2009 Category: Physics Authors: Umberto BortolozzoJason LaurieSergey NazarenkoStefania Residori Source Type: journals

Nonlinear dynamic properties of nonreciprocal indirect interband photonic transitionsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The nonlinear modulation dynamic properties of nonreciprocal indirect interband photonic transitions have been theoretically investigated in this paper. It is found that the period of such complete interband photonic transitions can be modulated for the relatively weak nonlinear effect, while ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 9, 2009 Category: Physics Authors: Xiaofei Zang Chun Jiang Source Type: journals

Polarization interference in six-wave mixing in a Doppler-broadened N-type four-level systemEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In nonlinear atomic gaseous media the interference between independent macroscopic polarizations of different ensembles within the atomic velocity distribution can lead to anomalous behavior of the multiwave mixing spectra. For phase-conjugate six-wave mixing (SWM) in a Doppler-broadened N-type ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 9, 2009 Category: Physics Authors: Jinyan NiuRuquan WangLing-An WuPanming Fu Source Type: journals

Investigation of a simplified model of storage and retrieval of light in a thermal atomic systemEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We investigate the storage and retrieval of a weak signal light in a thermal Λ type three-level atomic system. We examine in detail the time-dependent aspect of this system in which atomic motion with both internal and translational degrees of freedom is taken into consideration under ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 9, 2009 Category: Physics Authors: Min XieTianhui QiuJianyu MengGuojian Yang Source Type: journals

Switching from subluminal to superluminal light propagation via a coherent pump field in a four-level atomic systemEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We theoretically investigate the influence of a coherent pump field on the propagation of a weak light pulse of a probe field in a four-level atomic system. Due to the modulation of the pump field, the light pulse can be manipulated from subluminal to superluminal with negligible distortion. This ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 5, 2009 Category: Physics Authors: Shang-qi KuangRen-gang WanJun KouYun JiangJin-yue Gao Source Type: journals

Characteristics of spontaneous emission in confined one-dimensional photonic crystalsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a type of confined one-dimensional photonic crystal (1D PC) that is composed of a 1D PC confined by perfect conductor boundaries in the lateral directions of the 1D PC. The dispersion relations are derived using the classical electromagnetic approach, and the photonic density of states ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 5, 2009 Category: Physics Authors: Chao LiYun-Song ZhouFu-He Wang Source Type: journals

Fiber amplifier with integrated optical coolerEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We propose a theoretical model for a laser cooled continuous-wave fiber amplifier. The amplification process takes place in the Yb^3+-doped core of a fluoride ZBLAN (ZrF_4-BaF_2-LaF_3-AlF_3-NaF) glass fiber, while the cooling process takes place in the cladding, which is doped with thulium. It is ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 3, 2009 Category: Physics Authors: Galina Nemova Raman Kashyap Source Type: journals

Trapping of low-refractive-index particles with azimuthally polarized beamEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Azimuthally polarized beams, focused by a high-numerical-aperture (NA) objective lens, form a hollow intensity distribution near the focus, which is appropriate for trapping low-refractive-index particles, in contrast to common linearly polarized or radially polarized beams. In this paper, the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 3, 2009 Category: Physics Authors: Fei PengBaoli YaoShaohui YanWei ZhaoMing Lei Source Type: journals

Quantum theory of coherent transverse optical magnetismEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Density matrix theory is presented to explain recent experimental observations of intense optically induced magnetism due to a “mixed” type of nonlinearity proportional to the product of the electric- and magnetic-field strengths of light. Two previously unknown quadratic optical ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 3, 2009 Category: Physics Authors: Stephen C. Rand Source Type: journals

Laser-induced transfer of metallic nanodroplets for plasmonics and metamaterial applicationsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A novel approach, to our knowledge, for the fabrication of metallic micro- and nanostructures based on femtosecond laser-induced transfer of metallic nanodroplets is developed. The controllable fabrication of high-quality spherical gold micro- and nanoparticles with radius of 100-800 nm is ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 3, 2009 Category: Physics Authors: Arseniy I. KuznetsovAndrey B. EvlyukhinCarsten ReinhardtAndreas SeidelRoman KiyanWei ChengAleksandr OvsianikovBoris N. Chichkov Source Type: journals

Limits on efficiency and power scaling in semiconductor disk lasers with diamond heatspreadersEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The semiconductor disk laser (SDL) is a versatile laser source offering multiwatt-level output powers and diffraction limited beams. While an approach to thermal management based on substrate removal has led to tens of watts of output power in the 1 μm region, the use of intracavity diamond ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 3, 2009 Category: Physics Authors: A. J. MacleanR. B. BirchP. W. RothA. J. KempD. Burns Source Type: journals

Influence of third-order dispersion on delay performance in broadband Brillouin slow lightEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We investigate theoretically the delay performance of Brillouin slow light employing a broadband pump with a rectangular spectrum. Analytical expression of delayed Gaussian pulse amplitude is deduced with the second-order gain nonuniformity and the stimulated-Brillouin scattering-induced ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 2, 2009 Category: Physics Authors: Zhiyao ZhangXiaojun ZhouRui LiangShenghui Shi Source Type: journals

Model for ultrafast harmonic generation from a gold surface: extraction of dephasing times for continuum-continuum transitionsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A model is presented for describing ultrafast interferometric second- and third-harmonic generation (SHG and THG) from a gold surface. The model uses an effective four-level density matrix system that accounts for the stepwise resonant excitation channels with finite dephasing and energy relaxation ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - November 2, 2009 Category: Physics Authors: N. E. Karatzas A. T. Georges Source Type: journals

Broadband downconversion from oxygen-deficient centers to Yb^3+ in germanate glassesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We report broadband downconversion from ultraviolet to near-infrared in Yb^3+-doped oxygen-deficient SrO-Al_2O_3-GeO_2 glasses. Oxygen-deficient centers are introduced in germanate glasses by adding metal Al instead of corresponding oxide (Al_2O_3). Tunable luminescence related to these defects is ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 28, 2009 Category: Physics Authors: Yixi ZhuangYu TengJiajia ZhouSong YeXiaofeng LiuGeng LinJian RuanJianrong Qiu Source Type: journals

Plasmonics and Metamaterials: IntroductionEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Allan Boardman, Mark Brongersma, Mark Stockman, Martin Wegener [J. Opt. Soc. Am. B 26, PM1-PM1 (2009)] (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 28, 2009 Category: Physics Authors: Allan BoardmanMark BrongersmaMark StockmanMartin Wegener Source Type: journals

Inverse design for directional emitter and power splitter based on photonic crystal waveguide with surface corrugationsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In this paper, we report an inverse strategy to design a directional emitter and power splitter based on two-dimensional photonic crystal waveguides (PCWs). Our approach is illustrated by employing a genetic algorithm in conjunction with the finite-difference time domain (FDTD) method to design a ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: Liyong JiangWei JiaHaipeng LiXiangyin LiChunxiao CongZexiang Shen Source Type: journals

Maximization of nonlinear fluorescence from ultrasmall (?2 nm) semiconductor quantum dots to be used for deep tissue imagingEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We propose the use of ultrasmall semiconductor quantum dots (USQDs) for specialized bio-imaging applications, and discuss methods for enhancing fluorescent signals from USQDs to be used for two-photon-absorption based deep tissue imaging. In particular, we report optimizing the excitation ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: L. Wang R. K. Jain Source Type: journals

Investigation of the relationship between the prepulse energy and the delay time in the waveform preservation of a stimulated Brillouin scattering wave by prepulse injectionEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
It is well known that a stimulated Brillouin scattering (SBS) wave undergoes deformation of its temporal waveform when the pulse is reflected from the SBS medium. A prepulse injection method is a promising technique that is used to preserve temporal pulse shape of a SBS wave by injecting the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: Jin Woo YoonJae Sung ShinHong Jin KongJongmin Lee Source Type: journals

Determination of photo-induced changes in linear optical coefficients by the Z-scan techniqueEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We introduce a Z-scan technique as a tool to characterize small phase shift ( (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: K. Fedus G. Boudebs Source Type: journals

Bandgap investigations and the effect of the In and Al concentration on the optical properties of In_xAl_1−xNEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Optical properties of In_xAl_1−xN are calculated as a function of the concentration of indium and aluminum. Aluminum is partially replaced by indium in an AlN sample, and optical properties of the resulting materials are studied. The fractional concentration of indium is increased gradually ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: Muhammad MaqboolBin AminIftikhar Ahmad Source Type: journals

Theoretical study of a cross-waveguide resonator-based silicon electro-optic modulator with low power consumptionEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A cross-waveguide resonator structure is proposed for silicon electro-optic modulators operating around the near-infrared (NIR) communication wavelength of 1550 nm. The device is modeled based on a silicon-on-insulator wafer with a compact surface area of 16 μm^2(4 μm×4 μm) ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: Maoqing XinAaron J. DannerChing Eng PngSoon Thor Lim Source Type: journals

Variation of harmonic spectra in laser-produced plasmas at variable phase of femtosecond laser pulses of different bandwidthEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The intensity enhancement of harmonics and change in harmonic profiles have been observed in a few plasma plumes (La, In, Mn) under variable phase modulation of Ti:sapphire laser pulses. It is seen that variation of relative harmonic intensities in the plateau region could be achieved by chirp ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: R. A. GaneevH. SinghalP. A. NaikJ. A. ChakeraM. TayyabM. BabaH. KurodaP. D. Gupta Source Type: journals

Numerical investigation of the (1+1)D self-trapping of laser beams in polymeric films based on polymethylmethacrylate and phenanthrenequinoneEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
An analytical description connected with a numerical calculation of the propagation of self-trapped laser beams in a polymethylmethacrylate matrix containing phenanthrenequinone molecules is presented. A theoretical model for the spatial distribution of boundary optical waves is developed in ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: O. KashinE. TolstikV MatusevichR. Kowarschik Source Type: journals

Optical properties of metallic meandersEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A vertical metallic meander structure with a rectangular corrugated surface profile represents a frequency-selective surface in which the excitation and interaction of localized surface plasmon modes are controlled in a flexible fashion by its geometrical parameters over a large spectral range. In ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 27, 2009 Category: Physics Authors: Liwei FuHeinz SchweizerThomas WeissHarald Giessen Source Type: journals

Effect of writing beam spatial coherence on fiber Bragg grating modulation contrast and thermal stabilityEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a method to fabricate fiber Bragg gratings with adjustable refractive index contrast by using the standard phase mask technique. A theoretical analysis of the diffracted field from the phase mask is performed by considering the effect of the spatial coherence of the incident UV beam. The ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 24, 2009 Category: Physics Authors: Lingyun Xiong Jacques Albert Source Type: journals

Nanocavity antenna array for enhancing extraordinary optical transmission of light through a metallic nanoslitEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The transmission of light through a single nanoslit milled in the metallic film is enhanced by using an array of nanocavity antennas. It is shown that transmission efficiency through a 25-nm-wide silver nanoslit can be enhanced to η=151 when six pairs of nanostrips are placed 50 nm away from ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 24, 2009 Category: Physics Authors: Yanxia CuiJun HuSailing He Source Type: journals

Response of dispersive cylindrical cloaks to a nonmonochromatic plane waveEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The transmission line modeling method is used to get the time domain response of a dispersive cylindrical cloak to an electromagnetic (EM) plane wave that is slightly nonmonochromatic. Our objective is to numerically study two important phenomena derived from the dispersive nature of the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 20, 2009 Category: Physics Authors: Cédric BlanchardBae-Ian WuJorge Andrés PortíHongsheng ChenBaile ZhangJuan Antonio MorenteAlfonso Salinas Source Type: journals

Analytical solution of on-axis beam propagation for Z-scan techniqueEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
An analytical solution of on-axis beam propagation is presented for determining the nonlinear refraction and nonlinear absorption of a thin nonlinear medium accurately, efficiently, and simultaneously by a single Z-scan method. This result is based on the general Huygens-Fresnel principle. When ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 20, 2009 Category: Physics Authors: Fang-Qin LiXiao-Fu ZhangFeng YangNan ZongQin-Jun PengDa-Fu CuiZu-Yan Xu Source Type: journals

Optical forces on a Mie spheroidal particle arbitrarily oriented in a counterpropagating trapEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The axial and transverse optical forces exerted by Gaussian beams on an arbitrarily oriented and homogeneous spheroid are calculated and studied within the framework of the Mie theory. The results are applied to study the behavior of the forces in a counterpropagating optical trap. We calculate the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 17, 2009 Category: Physics Authors: Héctor Sosa-Martínez Julio C. Gutiérrez-Vega Source Type: journals

Spectral emission imaging to map photonic properties below the crystal surface of 3D photonic crystalsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present the application of spectral emission imaging microscopy as a method to quantitatively map photonic properties from below the surface of strongly interacting photonic three-dimensional (3D) crystals. We excite emission from emitters deep inside a photonic crystal and record the local ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 16, 2009 Category: Physics Authors: Christian BlumAllard P. MoskCees OttoWillem L. VosVinod Subramaniam Source Type: journals

Plasma Bragg density gratings produced by optical-field ionizationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
in underdense gas under the irradiation of two counterpropagating laser pulses at laser intensities around 10^13 W/cm^2 are investigated by particle-in-cell simulation. The grating is composed of interlacing layers of neutral gas ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 16, 2009 Category: Physics Authors: Lu-Le YuZheng-Ming ShengJie Zhang Source Type: journals

Investigation of photonic band structure in a one-dimensional superconducting photonic crystalEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The angle- and thickness-dependent photonic band structures in a one-dimensional superconducting photonic crystal are theoretically investigated. The analysis is made within the framework of the Bloch theorem together with the transfer matrix method in a multilayer structure. The photonic band ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 16, 2009 Category: Physics Authors: Chien-Jang WuCheng-Li LiuTzong-Jer Yang Source Type: journals

Quasi-planar optics: computing light propagation and scattering in planar waveguide arraysEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We analyze wave propagation in coupled planar waveguides, pointing specific attention to modal cross-talk and out-of-plane scattering in quasi-planar photonics. An algorithm capable of accurate numerical computation of wave coupling in arrays of planar structures is developed and illustrated on ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 16, 2009 Category: Physics Authors: Sukosin ThongrattanasiriJustin ElserViktor A. Podolskiy Source Type: journals

Temperature-dependent stimulated emission cross section in Nd^3+:YVO_4 crystalsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Spectroscopic properties of neodymium-doped yttrium orthovanadate crystals were measured in the temperature range between 5 and 350 K. Crystals fabricated by different suppliers, with 0.3 and 1 at%Nd^3+, were compared. For each temperature, the stimulated emission cross sections of the Nd^3+F3/24 ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 15, 2009 Category: Physics Authors: Giorgio TurriHans P. JenssenFrancesco CornacchiaMauro TonelliMichael Bass Source Type: journals

Evolution of the linear and nonlinear optical properties of femtosecond laser exposed fused silicaEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Three fused silica samples possessing different impurity levels and exposed to a near infrared femtosecond laser are investigated. The laser-induced defects are identified from absorption, luminescence, and Raman spectroscopy. Their linear and nonlinear optical properties are measured from ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - October 15, 2009 Category: Physics Authors: Arnaud RoyonClara Rivero-BaleineArnaud ZoubirLionel CanioniMichel CouziThierry CardinalEvelyne FarginMartin RichardsonKathleen Richardson Source Type: journals