Extreme robustness of Jackiw – Rebbi states in binary waveguide arrays under strong disturbance
We investigate the robustness of quantum relativistic Jackiw – Rebbi states, which have been found recently in a system consisting of ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 20, 2019 Category: Physics Authors: Truong X. Tran Source Type: research

Kerr instability amplification of Bessel – Gauss beams
Recently it was shown that Kerr instability via degenerate four-wave mixing can amplify single-cycle Gaussian seed pulses from the visible ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 20, 2019 Category: Physics Authors: M. Nesrallah G. Bart T. Brabec Source Type: research

Deterministic facilitated excitation of the weakly driven atom in heteronuclear Rydberg atom pairs beyond antiblockade
Due to the intrinsic strong blockaded interaction shifting the energy level of the Rydberg state, the steady Rydberg probability may be ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 20, 2019 Category: Physics Authors: Han Wang Dongmin Yu Rui Li Ning Jia Jing Qian Source Type: research

Analysis of quantum interference properties in Λ - and V-type schemes in rare-earth-ion-doped crystal with inhomogeneous broadening
We make a systematic analytical study on the quantum interference properties of two typical energy configuration systems (i.e., Λ - ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 20, 2019 Category: Physics Authors: Yong Zhou Lingrui Chu Qi Liu Chuan-Kui Wang Chaohua Tan Source Type: research

Scattering transmission field of a photonic crystal surface wave to determine the thickness distribution of thin films
In present work, we use an electromagnetic surface mode excited at the interface of a finite one-dimensional photonic crystal utilizing a ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 20, 2019 Category: Physics Authors: F. Villa-Villa R. Cort é s C. E. Garcia-Ortiz B. Reyes-Ramirez V. Coello Source Type: research

Multipass-cell-based post-compression of radially and azimuthally polarized pulses to the sub-two-cycle regime
Nonlinear spectral broadening of radially and azimuthally polarized pulses by using the multipass cell technique is proposed and investigated with numerical simulations. The scheme features post-compression of optical pulses from 30   fs down to sub-5   fs centered around 800   nm ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 16, 2019 Category: Physics Authors: Huabao Cao RolS. Nagymihaly Vladimir Chvykov Nikita Khodakovskiy Mikhail Kalashnikov Source Type: research

Range of multiple filamentation of a terawatt-power large-aperture KrF laser beam in atmospheric air
The range of multiple low-ionized filaments, either stochastically distributed or regularly arranged, produced in atmospheric air by terawatt-power picosecond pulses of a KrF laser was investigated for a nearly collimated beam of 60   mm in diameter. Filamentation patterns, energy attenuation, ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 14, 2019 Category: Physics Authors: Vladimir Zvorykin Andrey Ionin Daria Mokrousova Leonid Seleznev Igor ’ Smetanin Elena Sunchugasheva Nikolai Ustinovskii Alexey Shutov Source Type: research

Birefringence effect in devices based on phase modulators in a Sagnac interferometer
Optical phase modulators (PMs) in a Sagnac interferometer (SI) have many applications in electro-optic and microwave photonic (MWP) systems. Propagating lights in an SI are combined coherently at its output, so their polarizations must be maintained. Therefore, polarization-maintaining optical ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 14, 2019 Category: Physics Authors: Mohammadreza Qashqaei S. Esmail Hosseini Source Type: research

Space wave channeling enabled by conformal transformation optics
Transformation optics (TO) methodology provides an unconventional approach to mold the path of electromagnetic (EM) waves. Most of the previous works reported today are limited to control EM waves in either reflection or transmission mode. However, by merging TO and geometrical optics, we present a ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 14, 2019 Category: Physics Authors: Atefeh Ashrafian Mohammad Hosein Fakheri Ali Abdolali Source Type: research

Exceptional points in chiral metasurface based on graphene strip arrays
We investigate the exceptional points (EPs) in chiral metasurfaces composed of periodic arrays of two orthogonally orientated graphene strips in the terahertz frequency. By tuning the geometric parameters and incident wavelengths, the EPs emerge as two eigenvalues of the transmission matrix ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 14, 2019 Category: Physics Authors: Jinyang Li Jie Fu Qing Liao Shaolin Ke Source Type: research

High-bandwidth and high-responsivity waveguide-integrated plasmonic germanium photodetector
Here, we propose a waveguide-integrated germanium plasmonic photodetector operating simultaneously at bandwidth exceeding 100   GHz and responsivity above 1   A/W. The proposed photodetector takes advantage of a long-range dielectric-loaded surface plasmon polariton waveguide ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 14, 2019 Category: Physics Authors: Jacek Gosciniak Mahmoud Rasras Source Type: research

Dynamics of a quantum oscillator coupled with a three-level Λ -type emitter
We investigate the quantum dynamics of a quantum oscillator coupled with the most upper state of a three-level Λ -type system. The two transitions of the three-level emitter, possessing orthogonal dipole moments, are coherently pumped with a single or two electromagnetic field sources, ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 14, 2019 Category: Physics Authors: Alexandra M î rzac Mihai A. Macovei Source Type: research

Energy, spectral, and angular properties of post-filamentation channels during propagation in air and condensed media
High-power femtosecond laser pulses undergo large-scale transformations during filamentation in a nonlinear medium. Spatial transformations result in the formation of the post-filamentation channels — intense spatially localized light structures observed in the laser beam at the plasma-free ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 13, 2019 Category: Physics Authors: Yury E. Geints Andrey A. Ionin Daria V. Mokrousova Georgy E. Rizaev Leonid V. Seleznev Elena S. Sunchugasheva Alexander A. Zemlyanov Source Type: research

Measurement of the nonlinear refractive index of Cs D_1 line using z-scan
We present measurements of the nonlinear refraction coefficients for the D_1 line of cesium vapor. A variant of the z-scan technique is applied for which we scan the laser frequency across resonance for different sample positions and detect the transmission after an aperture in the far field. From ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 13, 2019 Category: Physics Authors: F. C. Dias dos Santos J. C. de Aquino Carvalho G. T. Moura T. Passerat de Silans Source Type: research

Tunable Fano resonance with ultrahigh peak by bright-dark mode coupling in Dirac semimetal
A dynamically tunable Fano resonance with characteristic symmetric structure consisting of the wire and double-U resonator microstructure at the terahertz region in Dirac semimetal metamaterials was demonstrated. The wire plays dual roles for the exciting resonance: as a player of the bright mode ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 13, 2019 Category: Physics Authors: Yongliang Liu Wenqian Liu Sanmin Shen Qiulin Tan Jijun Xiong Wendong Zhang Source Type: research

Efficient excitation and phase matching of fiber-coupled degenerate whispering gallery modes
The ability of optical whispering gallery mode (WGM) resonators to store energy in a very small volume for a long time enables their use in practical applications as low-threshold lasers, high-sensitivity sensors, and tunable add-drop filters. In this paper, we express in detail the tapered fiber ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 13, 2019 Category: Physics Authors: Shahab Bakhtiari Gorajoobi Ganapathy Senthil Murugan Michalis N. Zervas Source Type: research

Isotropic polarization modulational instability in single-mode conventional telecom fibers
In this work, we report on the experimental observation of isotropic polarization modulational instability processes in various types of conventional normally dispersive telecom fibers. In particular, dispersion-shifted fibers, highly nonlinear fibers, spun fibers, and dispersion-compensating ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 13, 2019 Category: Physics Authors: H. Zhang M. Gilles M. Guasoni B. Kibler A. Picozzi J. Fatome Source Type: research

Combined effect of Yb inversion and pump photons on photodarkening in Yb laser fibers: experiments and model considerations
For constant Yb inversion and to increase pump power in the fiber core, a strong acceleration of the photodarkening (PD) process and a reduction in PD loss have been observed. The PD parameters determined by fitting the measured curves with the stretched exponential function are linked to the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 10, 2019 Category: Physics Authors: Sylvia Jetschke Martin Leich Sonja Unger Ulrich R ö pke Source Type: research

Design and modeling of third-harmonic plasmonic metasurfaces coupled to multi-quantum well structures
In this paper, we analyze plasmonic nonlinear metasurfaces based on multi-quantum well (MQW) substrates designed for the third-harmonic generation (THG) nonlinear process. MQW plasmonic metasurfaces have become one of the most noticeable structures in the implementation of nonlinear processes due ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 10, 2019 Category: Physics Authors: Taher Zahedi Zaker Hossein Firouzeh Abolghasem Zeidaabadi Nezhad Source Type: research

Surface-enhanced Raman scattering sensor based on hybrid deep slot waveguide on an integrated photonic platform
We design and numerically study the surface-enhanced Raman scattering (SERS) sensor on an integrated photonic platform. The sensor, based on a hybrid deep slot waveguide, is formed by combining a metallic slot waveguide and a dielectric slot waveguide that has a groove under ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 10, 2019 Category: Physics Authors: Shiyu Li Li Xia Xin Chen Zhao Yang Wei Li Source Type: research

Wave optics light-trapping theory: mathematical justification and ultimate limit on enhancement
This paper addresses a number of important and underlying theoretical and practical questions regarding the recently developed wave optics light-trapping theory for solar cells. We provide a rigorous and complete justification of its mathematical validity, using the second law of thermodynamics as ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 10, 2019 Category: Physics Authors: Ken Xingze Wang Yu Guo Shanhui Fan Source Type: research

Supercontinuum-seeded, carrier-envelope,phase-stable, 4.5-W, 3.8- μ m, 6-cycle, KTA optical parametric amplifier driven by a 1.4-ps Yb:YAG thin-disk amplifier for nonperturbative spectroscopy in solids
We demonstrate a carrier-envelope phase (CEP)-stable, KTA (KTiOAsO_4)-based optical parametric amplifier (OPA) delivering 6-cycle (79   fs), 3.8- μ m pulses at a 100-kHz repetition rate with an average power of 4.5   W. The pivotal achievement is the stable generation of ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 10, 2019 Category: Physics Authors: Tsuneto Kanai Yeon Lee Meenkyo Seo Dong Eon Kim Source Type: research

Ultrahigh-sensitivity label-free optical biosensor based on a silicon nanowire rectangular optical waveguide for lung cancer detection
An ultrahigh-sensitivity optical biosensor is proposed and analyzed for early detection of lung cancer based on a silicon nanowire rectangular optical waveguide (SNROW). Parametric optimization is performed to get high surface sensitivity with compactness of the device for label-free biosensing by ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 10, 2019 Category: Physics Authors: Rukmani Singh Vishnu Priye Source Type: research

Oblique quasi-lossless excitation of a thin silicon slab waveguide: a guided-wave variant of an anti-reflection coating
Radiation losses at a junction of high-contrast Si/SiO_2 slabs of different thicknesses can be avoided, if, for excitation by semi-guided waves, the angle of incidence is raised beyond a critical angle. By introducing an additional short waveguide segment of intermediate thickness at the junction, ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 9, 2019 Category: Physics Authors: Manfred Hammer Lena Ebers Jens F ö rstner Source Type: research

Efficient pixel-by-pixel optimization of photonic devices utilizing the Dyson ’ s equation in a Green ’ s function formalism: Part II. Implementation using standard electromagnetic solvers
In part I of this series of papers, we introduced an efficient pixel-by-pixel optimization technique, utilizing the Dyson ’ s equation in a Green ’ s function formalism. This technique directly incorporates material and minimum feature size constraints in practical photonic devices. The ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 9, 2019 Category: Physics Authors: Salim Boutami Shanhui Fan Source Type: research

Efficient pixel-by-pixel optimization of photonic devices utilizing the Dyson ’ s equation in a Green ’ s function formalism: Part I. Implementation with the method of discrete dipole approximation
Here, we introduce an efficient method to perform pixel-by-pixel optimization of photonic devices, based on the Dyson equation in the Green ’ s function formalism. Unlike continuous optimization techniques widely used for photonic device optimization, pixel-by-pixel optimization automatically ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 9, 2019 Category: Physics Authors: Salim Boutami Shanhui Fan Source Type: research

Optimizing the third harmonic generated from air plasma filaments pumped by femtosecond laser pulses
Third-harmonic (TH) generation inside air plasma filaments provides a simple method to convert near-infrared laser pulses in the UV range. Here, we report on the optimization of the third-harmonic generation during filamentation in the parameter space of focusing geometry, gas pressure, and ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 9, 2019 Category: Physics Authors: Yi Liu Chenhao Kou Aur é lien Houard Andr é Mysyrowicz Source Type: research

Polarization-dependent center-of-mass motion of an optically levitated nanosphere
In this study, we report the influence on the center-of-mass translational motion of a levitated nanosphere in the case of the combination of an elliptical polarization with an elliptical TEM_00-mode Gaussian beam. A fundamental-mode Gaussian laser with a slightly elliptical profile is focused ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 6, 2019 Category: Physics Authors: Yuanbin Jin Xudong Yu Jing Zhang Source Type: research

Self-organization of the state of polarization in the mid-point of telecommunication optical fibers
We investigate theoretically and experimentally a self-polarization attraction process occurring in telecommunication optical fibers for which two replicas of an arbitrary polarized incident signal (up to a rotation or a reflection through a plane of the state of polarization) are injected ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 3, 2019 Category: Physics Authors: A. Fusaro N. Berti M. Guasoni H. R. Jauslin A. Picozzi J. Fatome D. Sugny Source Type: research

Dynamics of dissipative solitons near zero-nonlinearity frequency under higher order perturbations
We theoretically investigate the dynamics of an optical dissipative soliton (DS) inside a silver-nanoparticle-doped Si-based waveguide immersed in an externally pumped Al_2O_3:Er^3+ that exhibits a strong frequency-dependent Kerr nonlinear coefficient. Depending on the input frequency, the Kerr ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - August 3, 2019 Category: Physics Authors: Ambaresh Sahoo Samudra Roy Source Type: research

Optics with complex materials and (sub)nanostructures: introduction
Comprising 15 contributed papers and three invited review papers, this feature issue is focused on theoretical and experimental research on electromagnetic optics with complex materials and (sub)nanostructures. (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 31, 2019 Category: Physics Authors: Akhlesh Lakhtakia Reuven Gordon Tom G. Mackay Olivier J. F. Martin Source Type: research

Resonant, broadband, and highly efficient optical frequency conversion in semiconductor nanowire gratings at visible and UV wavelengths
Using a hydrodynamic approach, we examine bulk- and surface-induced second- and third-harmonic generation from semiconductor nanowire gratings having a resonant nonlinearity in the absorption region. We demonstrate resonant, broadband, and highly efficient optical frequency conversion: contrary to ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 31, 2019 Category: Physics Authors: M. Scalora J. Trull C. Cojocaru M. A. Vincenti L. Carletti D. de Ceglia N. Akozbek C. De Angelis Source Type: research

Polarization-dependent multiple Bragg diffraction in the high-energy region of three-dimensional photonic crystals
We have studied angle- and polarization-dependent multiple Bragg diffraction in the high-energy region of a three-dimensional photonic crystal, which is quite distinctive as compared to the low-energy region. We identify polarization-dependent prominent multiple Bragg diffraction at different ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 31, 2019 Category: Physics Authors: Omshankar Priya Rajesh V. Nair Source Type: research

Methodology for designing grism stretchers for idler-based optical parametric chirped-pulse-amplification systems
Powerful ultrafast lasers with wavelengths above 1   μ m are in demand to create attosecond pulses and ultra-intense laser sources. A promising technology to achieve these laser sources uses the by-product from an optical parametric chirped-pulse amplifier, known as the idler. ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 31, 2019 Category: Physics Authors: S. Bucht D. Haberberger J. Bromage D. H. Froula Source Type: research

Optical response of a hybrid system composed of a quantum dot and a core – shell nanoparticle
We study a hybrid system composed of a quantum dot and a core – shell nanoparticle, subject to an external field E_0   cos( ω t). We consider the self-interaction of the quantum dot due to the presence of the nanoparticle. We find that the thickness and chemical composition of both ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 31, 2019 Category: Physics Authors: Zahra Naeimi Atefeh Mohammadzadeh MirFaez Miri Source Type: research

Design and modeling of subpicosecond all-optical modulator using the nonlinear response of indium tin oxide
We report the design of an all-optical modulator based on the ultrafast nonlinear optical response of indium tin oxide (ITO) combined with the sharp spectral features of a high-Q resonant grating structure. Under optical excitation, a thin layer of ITO exhibits an ultrafast, reversible, and large ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 30, 2019 Category: Physics Authors: Miki Kelley Anna Lee Mohammad Mozumdar Khalil Dajani Aftab Ahmed Source Type: research

Improving sensitivity of existing surface plasmon resonance systems with grating-coupled short-range surface plasmons
Here we show that surface plasmon resonance sensors that typically use 760   nm wavelength Kretschmann – Raether coupling to a 50   nm thick gold film can have 3 times higher surface sensitivity by using local resonances from periodically arranged short-range modes in the same ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 30, 2019 Category: Physics Authors: Elham Babaei Zohreh Sharifi Reuven Gordon Source Type: research

Non-resonant enhancement of spontaneous emission of HITC dye in metal-insulator-metal waveguides
We have experimentally studied the non-resonant enhancement of spontaneous emission of HITC laser dye in metal-insulator-metal (MIM) waveguides (also referred to as Fabry – Perot cavities). We have found that in the cavities, whose size was too small to support a fundamental or any higher ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 30, 2019 Category: Physics Authors: Srujana Prayakarao Deionjalei Miller Devon Courtwright Carl E. Bonner Mikhail A. Noginov Source Type: research

Exposed-core localized surface plasmon resonance biosensor
We propose and numerically characterize an exposed-core photonic crystal fiber for biosensing applications. Surface plasmons are excited within gold (Au) strips, and titanium dioxide is employed to support adhesion of Au with glass. In consideration of ease of fabrication, only four air holes are ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 30, 2019 Category: Physics Authors: Md. Saiful Islam Mohammad Rakibul Islam Jakeya Sultana Alex Dinovitser Brian W.-H. Ng Derek Abbott Source Type: research

Broadband Tamm plasmon polariton
A broadband Tamm plasmon polariton localized at the interface between the Bragg mirror and a thin metallic layer has been theoretically and experimentally investigated. The possibility of a localized state formation has been demonstrated and energy coefficients at the Tamm plasmon polariton ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 30, 2019 Category: Physics Authors: Andrey M. Vyunishev Rashid G. Bikbaev Sergey E. Svyakhovskiy Ivan V. Timofeev Pavel S. Pankin Stanislav A. Evlashin Stepan Ya. Vetrov Sergey A. Myslivets Vasily G. Arkhipkin Source Type: research

Multi-frequency super-scattering from sub-wavelength graphene-coated nanotubes
A cylindrical multilayered structure with three coupled graphene shells is shown to behave as a dual-band super-scatterer at mid-infrared frequencies. Under the 2D plasmonic nature of graphene material, multiple scattering resonances are attained in the deep subwavelength regime using an isotropic ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 30, 2019 Category: Physics Authors: Shiva Hayati Raad Carlos J. Zapata-Rodr í guez Zahra Atlasbaf Source Type: research

Lasing in III – V microdisk core – TiO_2 shell lasers
Microdisk lasers having a III – V core coated with a TiO_2 shell are experimentally studied under optical pumping. Initial core microdisk lasers with a 5 – 10   μ m diameter comprising five layers of InAs/In_0.15Ga_0.85As quantum dots demonstrate room temperature lasing with ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 27, 2019 Category: Physics Authors: Igor Reduto Marina Fetisova Natalia Kryzhanovskaya Konstantin Kotlyar Aleksandr Raskhodchikov Sergey Scherbak Yulia Guseva Andrey Lipovskii Mikhail Maximov Alexey Zhukov Source Type: research

Gaussian-like and flat-top solitons of atoms with spatially modulated repulsive interactions
Solitons, nonlinear particle-like excitations with inalterable properties (amplitude, shape, and velocity) as they propagate, are omnipresent in many branches of science — and in physics in particular. Flat-top solitons are a novel type of bright solitons that have not been well explored in ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 27, 2019 Category: Physics Authors: Liangwei Zeng Jianhua Zeng Source Type: research

Light-field enhancement on thin and ultra-thin high-index dielectric slabs with rectangular nano-pits
We closely study the local amplifications of visible light on a thin gallium-phosphide slab presenting a sub-wavelength array of small, rectangular, bottom-closed holes. The high-quality Fabry – Perot resonances of eigenmodes which vertically oscillate, and their corresponding near-field maps, ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 27, 2019 Category: Physics Authors: J é r ô me Le Perchec Source Type: research

Laser-induced damage threshold of BaGa_4Se_7 and BaGa_2GeSe_6 nonlinear crystals at 1.053     μ m
We investigated the laser-induced damage threshold of two barium chalcogenides crystals, BaGa_4Se_7 and BaGa_2GeSe_6, at 1.053   μ m radiation with a pulse duration of 7 – 10   ns at different pulse repetition rates, namely, 100   Hz, 500   Hz, and 1   kHz. The ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 27, 2019 Category: Physics Authors: Nadezhda Y. Kostyukova Andrey A. Boyko Evgenii Y. Erushin Anton I. Kostyukov Valeriy V. Badikov Dmitrii V. Badikov Dmitry B. Kolker Source Type: research

Study on the properties of unidirectional absorption and polarization splitting in one-dimensional plasma photonic crystals with ultra-wideband
In this paper, to realize unidirectional ultra-wideband absorption and polarization splitting, a new 1D plasma photonic crystal (PPC) composed of an air layer and nonmagnetized and magnetized plasma layers is theoretically studied. In the proposed 1D PPCs, TM and TE waves are absorbed when the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 27, 2019 Category: Physics Authors: Yu Ma Haifeng Zhang Ting Liu Wenyu Li Source Type: research

Disentropy of the Wigner function
In this work, the usage of the disentropy of the Wigner function as order and quantumness measure is investigated. Furthermore, the relative disentropy of the Wigner function as a distance measure between two Wigner functions is also discussed. The numerical calculation of the dynamic of the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 25, 2019 Category: Physics Authors: Rubens Viana Ramos Source Type: research

Full-vectorial multimode nonlinear simulations on a real-space Fourier – Gauss grid
A numerical approach for nonlinear propagation in multimode waveguides based on real-space integration of the nonlinear polarization is developed for full-vectorial simulations. The real-space integrations are performed on a Fourier – Gauss quadrature grid in accordance with an earlier scalar ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 25, 2019 Category: Physics Authors: J. L æ gsgaard Source Type: research

Impact of electron surface scattering on spectroscopy of periodic dielectric-metal multilayers
We study the effect of surface electron scattering inside metal layers on photonic spectrum, transmissivity, reflectivity, and absorption of periodic dielectric-metal structures in the infrared frequency range. We demonstrate that consideration of finite probability of nonspecular scattering of the ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 25, 2019 Category: Physics Authors: Denis Iakushev Servando Lopez-Aguayo Source Type: research

Bound states in the continuum and Fano resonances in the Dirac cone spectrum
We consider light scattering by two-dimensional arrays of high-index dielectric spheres arranged into a triangular lattice. It is demonstrated that in the case of a triple degeneracy of resonant leaky modes in the gamma point, the scattering spectra exhibit a complicated picture of Fano resonances ... (Source: Journal of the Optical Society of America B)
Source: Journal of the Optical Society of America B - July 25, 2019 Category: Physics Authors: Evgeny N. Bulgakov Dmitrii N. Maksimov Source Type: research