Analytical solutions for the guided modes of rectangular silicon optical waveguides: a plane-wave approach
Sign Up to like & getrecommendations! Published in 2024 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-023-06182-w
Abstract: Marcatili’s analytical solution for the guided modes of rectangular optical waveguides (ROWGs) depends on (1) using the separation of variables (SOV) and (2) applying the paraxial approximation. It results in two classes of modes: the… read more here.
Keywords: guided modes; rectangular silicon; optical waveguides; modes rectangular ... See more keywords
Investigation for all polarization conversions of the guided-modes in a bending waveguide
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DOI: 10.1016/j.optcom.2017.09.040
Abstract: Abstract In this work, a new solution to the partial differential Maxwell equations is first derived to investigate all polarization conversions of the transverse and the longitudinal components of guided-modes in a bending waveguide. Then,… read more here.
Keywords: polarization conversions; modes bending; polarization; conversion ... See more keywords
Guided modes in non-Hermitian optical waveguides
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DOI: 10.1103/physreva.96.033824
Abstract: We study guided modes in non-Hermitian optical waveguides with dielectric layers having either gain or loss. For the case of a three-layer waveguide, we describe stationary regimes for guided modes when gain and loss compensate… read more here.
Keywords: gain loss; hermitian optical; modes non; guided modes ... See more keywords
Highly sensitive terahertz fingerprint sensing based on the quasi-guided modes in a distorted photonic lattice.
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DOI: 10.1364/oe.477547
Abstract: Using photonic structures resonating at the characteristic absorption frequency of the target molecules is a widely-adopted approach to enhance the absorption and improve the sensitivity in many spectral regions. Unfortunately, the requirement of accurate spectral… read more here.
Keywords: photonic lattice; structure; guided modes; resonance ... See more keywords
Non-Hermitian guided modes and exceptional points using loss-free negative-index materials.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.487278
Abstract: We analyze the guided modes in coupled waveguides made of negative-index materials without gain or loss. We show that it supports non-Hermitian phenomenon on the existence of guided mode versus geometric parameters of the structure.… read more here.
Keywords: non hermitian; loss; negative index; guided modes ... See more keywords
Mode division multiplexed holography by out-of-plane scattering of plasmon/guided modes
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Optics Letters"
DOI: 10.3788/col201816.070901
Abstract: We design and demonstrate a type of multiplexed hologram by nanoscatterers inside a dielectric-loaded plasmonic waveguide with guided-wave illuminations. The mode division multiplexed hologram (MDMH) is fulfilled by the scattering of guided waves to free… read more here.
Keywords: division multiplexed; mode division; guided modes; multiplexed hologram ... See more keywords