English
Related papers

Related papers: All-polarisation beamsplitters for interferometer …

200 papers

Metasurfaces provide the disruptive technology enabling miniaturization of complex cascades of optical elements on a plane. We leverage the benefits of such a surface to develop a planar integrated photonic beam collimator for on-chip…

Applied Physics · Physics 2019-11-21 Robin Singh , Yuqi Nie , Anuradha Murthy Agarwal , Brian W Anthony

Two-dimensional (2D) diffraction gratings offer a polarization-independent coupling solution between the planar photonic chips and optical fibers, with advantages including placement flexibility, ease of fabrication, and tolerance to…

Optics · Physics 2025-01-20 Wu Zhou , Kaihang Lu , Shijie Kang , Xiaoxiao Wu , Yeyu Tong

The results of four recently introduced beamforming schemes for phased array systems are discussed, each of which is capable to provide high sensitivity and accurate polarimetric performance of array-based radio telescopes. Ideally, a radio…

Instrumentation and Methods for Astrophysics · Physics 2011-08-30 Marianna V. Ivashina , Stefan J. Wijnholds , Rob Maaskant , Karl F. Warnick

Polarization splitter-rotators (PSRs) are the key elements to realize on-chip polarization manipulation. Current PSRs on thin film lithium niobate (TFLN) rely on sub-micron gaps to realize modes separation, which increase the difficulties…

Optics · Physics 2024-02-26 Mengke Wang , Hao Yao , Jiayao Deng , Zhefeng Hu , Tingting Tang , Kaixin Chen

Controlling the phase and amplitude of light emitted by the elements (i.e., pixels) of an optical phased array is of paramount importance to realizing dynamic beam steering for LIDAR applications. In this paper, we propose a plasmonic pixel…

Surface plasma waves are collective oscillations of electrons that propagate along a metal-dielectric interface. In the last ten years, several groups have reproduced fundamental quantum optics experiments with surface plasmons. Observation…

The ability to control the asymmetric propagation of light in nanophotonic waveguides is of fundamental importance for optical communications and on-chip signal processing. However, in most studies so far, the design of such structures has…

Optics · Physics 2017-03-29 Heran Zhang , Fengchun Zhang , Yao Liang , Xu-Guang Huang , Baohua Jia

We designed Si-based all-dielectric 1 $\times$ 2 TE and TM power splitters with various splitting ratios and simulated them using the inverse design of adjoint and numerical 3D finite-difference time-domain methods. The proposed devices…

Optics · Physics 2021-04-16 K. Goudarzi , S. Kim , I. Park , H. Han

In germanium-based light detectors for scintillating bolometers, a SiO$_2$ anti-reflective coating is often applied on the side of the germanium wafer exposed to light with the aim to improve its light collection efficiency. In this paper,…

Instrumentation and Detectors · Physics 2015-06-12 J. W. Beeman , A. Gentils , A. Giuliani , M. Mancuso , G. Pessina , O. Plantevin , C. Rusconi

We outline polarization fringe predictions derived from a new application of the Berreman calculus for the Daniel K. Inouye Solar Telescope (DKIST) retarder optics. The DKIST retarder baseline design used 6 crystals, single-layer…

Instrumentation and Methods for Astrophysics · Physics 2017-10-18 David M. Harrington , Frans Snik , Christoph U. Keller , Stacey R. Sueoka , Gerard van Harten

We apply the fermion commutation technique for composite bosons to polariton-polariton scattering in semiconductor planar microcavities. Derivations are presented in a simple and physically transparent fashion. A procedure of…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 M. M. Glazov , H. Ouerdane , L. Pilozzi , G. Malpuech , A. V. Kavokin , A. D'Andrea

Thermally induced fluctuations impose a fundamental limit on precision measurement. In optical interferometry, the current bounds of stability and sensitivity are dictated by the excess mechanical damping of the high-reflectivity coatings…

Optics · Physics 2014-04-17 Garrett D. Cole , Wei Zhang , Michael J. Martin , Jun Ye , Markus Aspelmeyer

Guided 2D exciton-polaritons, resulting from the strong coupling of excitons in semiconductors with non-radiating waveguide modes, provide an attractive approach towards developing novel on-chip optical devices. These quasiparticles are…

Waveguide-based interferometric circuits are widely employed in optical communications, sensing and computing applications. In particular, glass-based devices are appealing due to the transparency and bio-compatibility of this substrate, or…

Optics · Physics 2024-05-28 Roberto Memeo , Andrea Crespi , Roberto Osellame

We present a theoretical study of a novel polarization beam splitter (PBS), different to conventional time-reversal symmetry one, where can be totally reflected at two opposite sides with one specific linearly polarized light incident and…

Optics · Physics 2024-02-29 Jeng Yi Lee

Wavelength division multiplexers are fundamental to the functioning and performance of integrated photonic circuits, with applications ranging from optical interconnects to sensing and quantum technologies. Current solutions are limited by…

Optics · Physics 2026-03-11 Sydney Mason , Geun Ho Ahn , Jakob Grzesik , Sungjun Eun , Jelena Vučković

Surface plasmon polaritons (SPPs) give an opportunity to break the diffraction limit and design nanoscale optical components, however their practical implementation is hindered by high ohmic losses in a metal. Here, we propose a novel…

Mesoscale and Nanoscale Physics · Physics 2015-08-12 Dmitry A. Svintsov , Aleksey V. Arsenin , Dmitry Yu. Fedyanin

In any polarimetric measurement technique, enhancing the laser polarization change of a laser beam before it reaches the analyzer can help in improving the sensitivity. This can be performed using an optical component having a large linear…

Exciton polaritons based on atomically thin semiconductors are essential building blocks of quantum optoelectronic devices. Their properties are governed by an ultrafast and oscillatory energy transfer between their excitonic and photonic…

A metamaterial structure consisting of a one-dimensional metal/air-gap subwavelength grating is investigated for optical antireflection coating on germanium substrate in the infrared regime. For incident light polarized perpendicularly to…

Optics · Physics 2023-07-19 Wonkyu Kim , Junpeng Guo , Joshua Hendrickson
‹ Prev 1 4 5 6 7 8 10 Next ›