Journal of the Optical Society of America B

Localized surface plasmon modes in a system of two interacting metallic cylinders

Viktoriia E. Babicheva — Thu, 17 May 2012 00:00:00 EST

Viktoriia E. Babicheva, Sergey S. Vergeles, Petr E. Vorobev, Sven Burger
We study an optical response of a system of two parallel close metallic cylinders having nanoscale dimensions. Surface plasmon excitation in the gap between the cylinders is specifically analyzed. In particular, resonance frequencies and field enhancement were investigated as functions of ... [J. Opt. Soc. Am. B 29, 1263-1269 (2012)]

Modeling of amplified spontaneous emission, heat deposition, and energy extraction in cryogenically cooled multislab Yb^3+:YAG laser amplifier for the HiLASE Project

Magdalena Sawicka — Thu, 17 May 2012 00:00:00 EST

Magdalena Sawicka, Martin Divoky, Jakub Novak, Antonio Lucianetti, Bedrich Rus, Tomas Mocek
A three-dimensional ray-tracing code for determination of amplified spontaneous emission in a multislab laser amplifier is presented. In addition to energy stored in the amplifier, the code also calculates the heat distribution and the amplification of the signal beam. For cryogenically cooled ... [J. Opt. Soc. Am. B 29, 1270-1276 (2012)]

Application of optical-field-ionization-induced spectral broadening in helium gas to the postcompression of high-energy femtosecond laser pulses

Thierry Auguste — Thu, 17 May 2012 00:00:00 EST

Thierry Auguste, Oliver Gobert, Coralie Fourcade Dutin, Antoine Dubrouil, Eric Mével, Stéphane Petit, Eric Constant, Dominique Descamps
We report a detailed numerical study on the postcompression of high-energy (∼30?mJ) femtosecond laser pulses (∼40?fs), using the spectral broadening induced by optical-field ionization of a low-pressure helium gas in a capillary. Our numerical results are in very good agreement with ... [J. Opt. Soc. Am. B 29, 1277-1286 (2012)]

Dielectric waveguide bending adapter with ideal transmission: practical design strategy of area-preserving affine transformation optics

Hongyi Xu — Thu, 17 May 2012 00:00:00 EST

Hongyi Xu, Baile Zhang, Tianyuan Yu, George Barbastathis, Handong Sun
Transformation optics has inspired numerous conceptual devices since the first theoretical model of invisibility cloaks. However, the transition of these concepts into industrial applications is now widely acknowledged as a challenging bottleneck. A practical design strategy that can be adopted by ... [J. Opt. Soc. Am. B 29, 1287-1290 (2012)]

Optical bistability based on guided-mode resonances in photonic crystal slabs

Quang Minh Ngo — Thu, 17 May 2012 00:00:00 EST

Quang Minh Ngo, Khai Q. Le, Vu Dinh Lam
Optical bistability of nonlinear guided-mode resonances in photonic crystal slabs (PCSs) are numerically investigated. We perform finite-difference time-domain simulations to determine the linear and nonlinear characteristics of these guided-mode resonances in PCSs. The nonlinear characteristics ... [J. Opt. Soc. Am. B 29, 1291-1295 (2012)]

Efficient Lanczos–Fourier expansion-based transmission line formulation for full-wave modal analysis of optical waveguides

Amir Habibzadeh-Sharif Mohammad Soleimani — Thu, 17 May 2012 00:00:00 EST

Amir Habibzadeh-Sharif, Mohammad Soleimani
The Fourier expansion-based transmission line (TL) formulation has been modified using the Lanczos correction factor for the full-wave modal analysis of dielectric optical waveguides. Also, an algorithm for systematic determination of the optimum values for the main simulation parameters of the ... [J. Opt. Soc. Am. B 29, 1296-1304 (2012)]

Fiber-laser-based noise-immune cavity-enhanced optical heterodyne molecular spectrometry instrumentation for Doppler-broadened detection in the 10^−12??cm^−1?Hz^−1/2 region

Patrick Ehlers — Thu, 17 May 2012 00:00:00 EST

Patrick Ehlers, Isak Silander, Junyang Wang, Ove Axner
A fiber-laser-based noise-immune cavity-enhanced optical heterodyne molecular spectrometry (FL-NICE-OHMS) system for white-noise-limited Doppler-broadened detection down to 5.6×10^−12??cm^−1?Hz^−1/2 is demonstrated. The system is based on a previous FL-NICE-OHMS ... [J. Opt. Soc. Am. B 29, 1305-1315 (2012)]

Scattering in step-index polymer optical fibers by side-illumination technique: theory and application

M. Asunción Illarramendi — Thu, 17 May 2012 00:00:00 EST

M. Asunción Illarramendi, Gotzon Aldabaldetreku, Iñaki Bikandi, Joseba Zubia, Gaizka Durana, Amaia Berganza
In this paper we present a detailed theoretical study that describes the generation of scattered light in step-index polymer optical fibers by using the side-illumination scattering measurement technique. A detailed analysis of the variation of the maximum angle of acceptance within the fiber has ... [J. Opt. Soc. Am. B 29, 1316-1329 (2012)]

Generation of a two-dimensional limited-diffraction beam with self-healing ability by annular-type photonic crystals

Hamza Kurt Mirbek Turduev — Fri, 11 May 2012 00:00:00 EST

Hamza Kurt, Mirbek Turduev
In this work, we present the design of a photonic structure for the generation of in-plane two-dimensional (2D) limited-diffraction beam. We have numerically investigated the characteristics of the light propagation passing through a 2D square-lattice annular-type photonic crystal shaped in an ... [J. Opt. Soc. Am. B 29, 1245-1256 (2012)]

High stability soliton frequency-shifting mechanisms for laser synchronization applications

Jan Rothhardt — Fri, 11 May 2012 00:00:00 EST

Jan Rothhardt, Alexander M. Heidt, Steffen Hädrich, Stefan Demmler, Jens Limpert, Andreas Tünnermann
We analyze frequency-shifting mechanisms in photonic crystal fibers (PCFs). In contrast to the generally used approach of launching pulses in the negative group velocity dispersion (GVD) region of PCFs, we suggest employing a fiber with a higher zero dispersion wavelength that is pumped in the ... [J. Opt. Soc. Am. B 29, 1257-1262 (2012)]

Photonic structures of metal-coated chiral spheres

Aristi Christofi Nikolaos Stefanou — Wed, 09 May 2012 00:00:00 EST

Aristi Christofi, Nikolaos Stefanou
A detailed analysis of the optical properties of photonic structures of metal-coated chiral spheres, calculated by the full electrodynamic layer-multiple-scattering method, is presented. Easily tunable narrow bands, originating from particle-like plasmon modes of the metallic shells, hybridize with ... [J. Opt. Soc. Am. B 29, 1165-1171 (2012)]

Dispersion-accumulated diffraction-compensated superprism with two cascaded photonic crystals

Eric Cassan Marco Casale — Wed, 09 May 2012 00:00:00 EST

Eric Cassan, Marco Casale
The benefits of unusual dispersive properties of photonic crystals are often mitigated by unwanted phenomena like spatial broadening of propagating beams. This problem is usually faced using millimeter long conditioning regions to precompensate for beam spreading. A new approach is explored here to ... [J. Opt. Soc. Am. B 29, 1172-1178 (2012)]

Non-Gaussian state with vortex structure of quantized radiation field

Kaicheng Zhu — Wed, 09 May 2012 00:00:00 EST

Kaicheng Zhu, Shaoxin Li, Xiaojuan Zheng, Huiqin Tang
A new kind of quantum non-Gaussian state with vortex structure termed as a modified Bessel–Gaussian vortex state is constructed, and it is an eigenstate of sum of squared annihilation operator a^2+b^2. The quantum vortex state exhibits a rich variety of nonclassical signatures and is always ... [J. Opt. Soc. Am. B 29, 1179-1186 (2012)]

Slow light based on optical surface modes of two-dimensional photonic crystals

Hamza Kurt — Wed, 09 May 2012 00:00:00 EST

Hamza Kurt, Nur Erim, Kadir Üstün
We investigate slow light properties of optical surface modes sustaining at the interface of two-dimensional photonic crystals and uniform medium (air). The manipulation of the structural parameters at the surface governs the modal field distribution of the surface state. The spectral and temporal ... [J. Opt. Soc. Am. B 29, 1187-1193 (2012)]

Temporal coherence in mirrorless optical parametric oscillators

Gustav Strömqvist — Wed, 09 May 2012 00:00:00 EST

Gustav Strömqvist, Valdas Pasiskevicius, Carlota Canalias, Pierre Aschieri, Antonio Picozzi, Carlos Montes
One of the unique features of mirrorless optical parametric oscillators based on counterpropagating three-wave interactions is the narrow spectral width of the wave generated in the backward direction. In this work, we investigate experimentally and numerically the influence that a strong phase ... [J. Opt. Soc. Am. B 29, 1194-1202 (2012)]

Robust Toffoli gate originating from Stark shifts

Xiao-Qiang Shao — Wed, 09 May 2012 00:00:00 EST

Xiao-Qiang Shao, Tai-Yu Zheng, Shou Zhang
A method for synthesizing the Toffoli gate is proposed based solely on the Stark shifts of three superconducting quantum interference devices (SQUIDs). This scheme is robust against the effect of decoherence, since it operates with no excitation of SQUIDs and the coplanar waveguide cavity. The ... [J. Opt. Soc. Am. B 29, 1203-1207 (2012)]

Full-vectorial modeling of femtosecond pulses for laser inscription of photonic structures

Holger Schmitz Vladimir Mezentsev — Wed, 09 May 2012 00:00:00 EST

Holger Schmitz, Vladimir Mezentsev
During the last decade, microfabrication of photonic devices by means of intense femtosecond (fs) laser pulses has emerged as a novel technology. A common requirement for the production of these devices is that the refractive index modification pitch size should be smaller than the inscribing ... [J. Opt. Soc. Am. B 29, 1208-1217 (2012)]

Goos–Hänchen and Imbert–Fedorov shifts of an electromagnetic wave packet by a moving object

Hailei Wang Xiangdong Zhang — Wed, 09 May 2012 00:00:00 EST

Hailei Wang, Xiangdong Zhang
We present a solution to the problem of reflection and refraction of a polarized Gaussian beam at the interface between the transparent medium and the moving object based on Minkowski’s constitutive relations. The Goos–Hänchen (GH) and Imbert–Fedorov (IF) effects are ... [J. Opt. Soc. Am. B 29, 1218-1225 (2012)]

Frequency, phase, and polarization locking of evanescently coupled lasers

Eitan Ronen Amiel A. Ishaaya — Wed, 09 May 2012 00:00:00 EST

Eitan Ronen, Amiel A. Ishaaya
Coherent lasing of two lasers can be achieved passively by intracavity exchange of light between the lasers. Full coherence of the lasers typically implies synchronization in three parameters: frequency, phase, and polarization. Here we investigate a simple laser system in which exchange of light ... [J. Opt. Soc. Am. B 29, 1226-1230 (2012)]

Spectral broadening of incoherent nanosecond pulses in a fiber amplifier

Alexey G. Kuznetsov — Wed, 09 May 2012 00:00:00 EST

Alexey G. Kuznetsov, Evgeniy V. Podivilov, Sergey A. Babin
Amplification of incoherent light pulses in a relatively short active fiber is treated. Spectral broadening due to the self-phase modulation effect at negligibly small dispersion has been studied theoretically. The expression for the shape of the output spectrum has been obtained for input pulses ... [J. Opt. Soc. Am. B 29, 1231-1236 (2012)]

Simultaneously measuring two ultrashort laser pulses on a single-shot using double-blind frequency-resolved optical gating

Tsz Chun Wong — Wed, 09 May 2012 00:00:00 EST

Tsz Chun Wong, Justin Ratner, Vikrant Chauhan, Jacob Cohen, Peter M. Vaughan, Lina Xu, Antonio Consoli, Rick Trebino
We demonstrate a simple self-referenced single-shot method for simultaneously measuring two different arbitrary pulses, which can potentially be complex and also have very different wavelengths. The method is a variation of cross-correlation frequency-resolved optical gating (XFROG) that we call ... [J. Opt. Soc. Am. B 29, 1237-1244 (2012)]

Characterization of the femtosecond speckle field of a multiply scattering medium via spatio-spectral interferometry

Ayhan Tajalli — Thu, 03 May 2012 00:00:00 EST

Ayhan Tajalli, David J. McCabe, Dane R. Austin, Ian A. Walmsley, Béatrice Chatel
Propagation of an ultrashort laser pulse through a scattering medium forms a speckle pattern in the spatio-spectral domain. This pattern arises from the contribution of the randomly phased electric fields associated with the different optical paths in the medium. Studying the speckle field provides ... [J. Opt. Soc. Am. B 29, 1146-1151 (2012)]

Simple method of measurement of phase distortions in laser amplifiers

Alexey A. Kuzmin — Thu, 03 May 2012 00:00:00 EST

Alexey A. Kuzmin, Dmitry E. Silin, Andrey A. Shaykin, Ilya E. Kozhevatov, Efim A. Khazanov
Two alternative methods for determining phase distortions of radiation in the heated active element of a high-power Nd:glass laser are compared: direct phase measurement with the Mach–Zehnder interferometer and phase front reconstruction from measured distributions of depolarization factor. ... [J. Opt. Soc. Am. B 29, 1152-1156 (2012)]

Design and analysis of a gallium nitride-on-sapphire tunable photonic crystal directional coupler

Erman Engin — Thu, 03 May 2012 00:00:00 EST

Erman Engin, Jeremy L. O’Brien, Martin J. Cryan
This paper presents two- and three-dimensional (2D and 3D) finite difference time domain modeling and plane wave expansion results for 2D photonic crystal waveguides in GaN-on-sapphire with an AlN lattice matching layer. The low refractive index contrast between GaN and sapphire restricts operation ... [J. Opt. Soc. Am. B 29, 1157-1164 (2012)]