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Theoretical investigation of a nonreciprocal micro-ring resonator with nonreciprocity provided by its magneto-optical input–output coupler
The simplest Micro-Ring Resonator consists of an input–output directional coupler connected into itself through a feedback loop. We show that a...
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Study of W-Band Extended Interaction Klystron with Tapered Coupler
An extended interaction klystron with novel tapered coupler operating at 93.6GHz is proposed in this study. The transmission coefficient of the...
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Single-step-etched ultra-compact metamaterial grating coupler enabled by a hierarchical inverse design approach
With the concept of metamaterials introduced into integrated photonics, subwavelength structures have gained popularity for their ability to create...
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Two novel tunable ring cavity EDFL designs with pre coupler and NALM for improving OSNR
High optical signal-to-noise ratio (OSNR) is crucial in EDFLs for enabling wider bandwidth and faster operation of optical systems. This study...
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3 × 3 Coupler Mach–Zehnder Interferometric Strainmeter
AbstractThe fiber-optic Mach–Zehnder interferometric strainmeter based on 3 × 3 coupler is developed. The possibility of effective strain...
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Transmission characteristics of a cylindrically-symmetric core-cladding mode coupler in the terahertz regime
With the rapid development of optoelectronic fibers of multi-materials and structures, coupling between the optoelectronic fibers and the...
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Development of a 500-MHz waveguide directional coupler with high directivity for HEPS
PurposeIn order to achieve a high-precision measurement of the incident and the reflected power, a WR1800 rectangular waveguide directional coupler...
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Study of a SiN Microresonator with a Variable Coupler at 1550 nm
We propose a silicon nitride microresonator with an electrically controlled coupler, paving the way for a type of microresonator whose behavior can...
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Electro-optic tunable grating-assisted optical waveguide directional coupler in lithium niobate
In this paper, a high-performance electro-optical tunable grating-assisted directional coupler (GADC) is proposed and demonstrated experimentally....
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Machine learning-based classification for predicting the power flow of surface plasmon polaritons in nanoplasmonic coupler
Using a combination of the finite element method (FEM) applied in COMSOL Multiphysics and the machine learning (ML)-based classification models, a...
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In-Fiber Thermally Diffused Coupler and Fiber Bragg Grating Inscribed in Twin-Core Fiber for Sensitivity-Enhanced Vector Bending Sensing
A vector bending fiber sensor based on core-by-core inscribed fiber Bragg gratings in a twin-core fiber has been proposed and experimentally...
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Foundry-fabricated grating coupler demultiplexer inverse-designed via fast integral methods
Silicon photonics is an emerging technology which, enabling nanoscale manipulation of light on chips, impacts areas as diverse as communications,...
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Effects of saturable function in three-core PIM-NIM-PIM coupler through modulation instability
We consider a model of three-core PIM-NIM-PIM coupler with Kerr-type saturable nonlinearity to study both analytically and numerically saturation...
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Design optimization of 3.9 GHz fundamental power coupler for the SHINE project
The third harmonic superconducting cryomodule is being designed for the Shanghai High repetition rate XFEL and Extreme light facility (SHINE)...
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Silicon Nitride C-Band Grating Coupler with Reduced Waveguide Back-Reflection Using Adaptively Corrected Elliptical Grates
We present experimental results for a fully etched C-band grating coupler with reduced back reflection fabricated in an 800 nm silicon nitride...
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Chiral transmission by an open evolution trajectory in a non-Hermitian system
Exceptional points (EPs), at which two or more eigenvalues and eigenstates of a resonant system coalesce, are associated with non-Hermitian...
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Design of 6-channel optical demultiplexer/coupler using photonic crystal for IFoF in 5G networks
In this paper, a compact six-channel optical demultiplexer and coupler have been designed using a novel photonic crystal resonator for Intermediate...
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Investigation of the Efficiency of Spectral Beam Combining of Laser Diode Array in a Cavity with the Spectrally Selective Output Coupler
We investigate the operating modes of diode lasers in the external cavity scheme of spectral beam combining, using the virtual laser-diode array...
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External Cavity 637-nm Laser with Increased RSOA-to-PIC Alignment Tolerance and a Filtered Sagnac-Loop Reflector with Single Output Waveguide
The design of a 637-nm wavelength, photonic-integrated-circuit-based external cavity laser (PIC-based ECL) aimed at quantum technology applications...
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Multi-functional all-optical photonic crystal logic gate using nonlinear directional coupler
In this paper, an all-optical photonic crystal multi-functional logic block is proposed based on the nonlinear directional couplers. This structure...
