Results 61 to 70 of about 67,140 (213)

Tunable Terahertz Generation in Dispersion‐Engineered ZnTe Waveguides

open access: yesLaser &Photonics Reviews, EarlyView.
A dispersion‐engineered Zinc Telluride (ZnTe) slab waveguide platform enables tunable and efficient guided‐wave terahertz (THz) generation through modal phase matching. By tailoring the optical and THz modal dispersion, coherent THz emission is achieved across 0.1–3 THz.
Arun Jana   +5 more
wiley   +1 more source

Fabrication‐Tolerant GaAs/SiN Coupling Above the Loss Threshold for Quantum Photonic Applications

open access: yesLaser &Photonics Reviews, EarlyView.
Reliable low‐loss optical coupling between GaAs and SiN waveguides for heterogeneous integration of single‐photon sources is demonstrated. By developing a fabrication‐aware numerical design approach and accounting for experimentally measured fabrication variations and scattering losses, coupling efficiencies meeting the < 10% loss requirement for ...
Miloš Ljubotina   +9 more
wiley   +1 more source

Investigation of the possibility of implementing a mid-frequency broadband swept-frequency generator based on the structure of semi-insulating gallium arsenide [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика
Background and Objectives: In previous works, the authors of the article reported on the prospects of creating the functional microelectronic devices with wide functionality based on the semi-insulating gallium arsenide (GaAs) structures provided that ...
Mikhailov, Aleksandr Ivanovich   +2 more
doaj   +1 more source

Window structure for passivating solar cells based on gallium arsenide [PDF]

open access: yes, 1985
Passivated gallium arsenide solar photovoltaic cells with high resistance to moisture and oxygen are provided by means of a gallium arsenide phosphide window graded through its thickness from arsenic rich to phosphorus ...
Barnett, Allen M.
core  

GOLD-GERMANIUM CONTACTS ON GALLIUM ARSENIDE

open access: yes, 1989
The gold-germanium/gallium arsenide interface was investigated using atom-probe analysis and transmission electron microscopy. When thin films were deposited on an oxidized surface small islands formed.
A. KVIST, H.-O. ANDRÉN, Q.H. HU
core   +1 more source

Noise Suppression via Gain‐Dispersion‐Managed Nonlinear Amplification in a High‐Power Er‐Fiber Laser

open access: yesLaser &Photonics Reviews, EarlyView.
Gain‐dispersion‐managed nonlinear pre‐amplification simultaneously suppresses phase and intensity noise, enabling scalable high‐power fiber amplification. The system delivers 102.3 W linearly polarized pulses with 1.19 µJ energy at 85.69 MHz and compresses them to 380 fs. Near‐linear power scaling without evident saturation highlights a practical route
Mei Yang   +9 more
wiley   +1 more source

Heterogeneous Integration of Multi‐Band Mode‐Locked and Single‐Mode Lasers on an Extended Commercial SiN Platform

open access: yesLaser &Photonics Reviews, EarlyView.
Micro‐transfer printing enables GaAs and InP gain materials to be integrated on a commercial silicon nitride photonic platform. The resulting chip supports O‐ and C‐band comb and single‐mode lasers, demonstrating a scalable route toward multi‐material, multi‐wavelength, and multifunctional integrated light sources.
Dongbo Wang   +12 more
wiley   +1 more source

RAMAN SPECTROSCOPIC STUDIES OF ION-IMPLANTED GALLIUM-ARSENIDE AND INDIUM-PHOSPHIDE (OPTICAL, III-V, SEMICONDUCTOR).

open access: yes, 2014
RAMAN SPECTROSCOPIC STUDIES OF ION-IMPLANTED GALLIUM-ARSENIDE AND INDIUM-PHOSPHIDE (OPTICAL, III-V, SEMICONDUCTOR)
CHALLASREE S. RAMA. RAO (7983527)
core   +4 more sources

Looking Inside Micro- and Nano-Mechanical Pillar Resonators: A Picosecond Ultrasonics Approach

open access: yesProceedings, 2020
Pillar-shaped Gallium arsenide (GaAs) micromechanical resonators are fabricated, and the feasibility to measure the inside of the pillars in the axial direction with laser-induced GHz ultrasound based on picosecond ultrasonics is tested.
Paul Stritt   +5 more
doaj   +1 more source

Experimental Demonstration of Plasmon‐Enabled Monolithic Bragg Reflectors for Infrared Light via Inverse Design

open access: yesLaser &Photonics Reviews, EarlyView.
Inverse‐designed plasmon‐enabled distributed Bragg reflectors are realized in modulation‐doped monolithic InP, where free‐carrier‐induced complex refractive‐index contrast enables strong infrared reflection without heteromaterial interfaces. Nonuniform layer optimization reduces absorption and improves reflectivity over uniform designs, offering a ...
Mikołaj Badura   +11 more
wiley   +1 more source

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