Results 221 to 230 of about 369,945 (331)

Nonvolatile and Low‐Loss Reconfigurable Optical Switches Using Sb2S3 Phase Change Material

open access: yesAdvanced Photonics Research, EarlyView.
Sb2S3‐assisted hybrid plasmonic waveguide‐based reconfigurable, nonvolatile 1 × 2 switch using an asymmetric directional coupler is presented. Its dual‐polarization functionality ensures its broader applicability and flexibility in integrated photonic systems where polarization diversity is often required.
Nisadur Rahman, Hasan Khaled Rouf
wiley   +1 more source

High‐Energy Femtosecond All‐Fiber Laser Systems in 1.7–1.8 μm Using a Normal‐Dispersion Tm‐Doped Fiber

open access: yesAdvanced Photonics Research, EarlyView.
High‐energy ultrafast all‐fiber lasers are demonstrated in the 1.7–1.8 μm range using a novel Tm‐doped fiber with depressed cladding for dispersion tailoring and short‐pass filtering. A parabolic core enhances optical gain, overcoming poor gain overlap in conventional depressed cladding fibers.
Shaoxiang Chen   +5 more
wiley   +1 more source

Coupled non-Hermitian skin effect with exceptional points. [PDF]

open access: yesLight Sci Appl
Wang GH   +4 more
europepmc   +1 more source

Non‐Hermitian Topological Lattice Photonics: An Analytic Perspective

open access: yesAdvanced Photonics Research, EarlyView.
This review establishes exact analytical solutions for non‐Hermitian Hatano–Nelson, Su–Schrieffer–Heeger, and generalized Rice–Mele models. We demonstrate non‐Hermitian skin effects via point‐gap topology, hybrid skin‐topological edge states in 2D lattices, and spin‐polarized boundary modes governed by dual bulk‐boundary correspondence.
Shihua Chen   +6 more
wiley   +1 more source

Optofluidic Waveguides for the Label-Free Study of Silk Protein Aggregates. [PDF]

open access: yesACS Omega
Heck JR   +5 more
europepmc   +1 more source

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