Results 11 to 20 of about 11,995 (149)

Recent Developments of Quantum Dot Materials for High Speed and Ultrafast Lasers

open access: yesNanomaterials, 2022
Owing to their high integration and functionality, nanometer-scale optoelectronic devices based on III-V semiconductor materials are emerging as an enabling technology for fiber-optic communication applications.
Zhonghui Yao   +6 more
doaj   +1 more source

Fabrication of amorphous Al2O3 optical film with various refractive index and low surface roughness

open access: yesMaterials Research Express, 2020
Alumina(Al _2 O _3 ) thin film has been widely used in many applications due to its excellent properties, especially in optical films and semiconductor industries.
Yunping Lan   +5 more
doaj   +1 more source

Review of Issues and Solutions in High-Power Semiconductor Laser Packaging Technology

open access: yesFrontiers in Physics, 2021
In the past 20 years, semiconductor lasers have been widely used in medical, industrial, and communication applications, providing a revolutionary and powerful platform for the fifth generation and advanced manufacturing.
Yixiong Yan   +3 more
doaj   +1 more source

Preface for Special Issue: Advancements in Semiconductor Lasers

open access: yesPhotonics, 2023
We are delighted to present this Special Issue of “Advancements in Semiconductor Lasers”, which features a remarkable collection of 14 papers that explore the diverse and cutting-edge aspects of semiconductor lasers [...]
Yanhua Hong   +2 more
doaj   +1 more source

Passivation Effect on ZnO Films by SF6 Plasma Treatment

open access: yesCrystals, 2019
The passivation effects of SF6 plasma on zinc oxide (ZnO) films prepared by magnetron sputtering were researched. After the SF6 plasma passivation of ZnO films, the grain size increases, there is low surface roughness, and a small amount of Zn-F bonds ...
Yumeng Xu   +3 more
doaj   +1 more source

Evaluation of Performance Enhancement of Optical Multi-Level Modulation Based on Direct Modulation of Optically Injection-Locked Semiconductor Lasers

open access: yesPhotonics, 2021
The performance of optical M-level (multi-level) amplitude shift keying (ASK) modulation is improved by directly using modulated optically injection-locked (OIL) semiconductor lasers.
Hyo-Sang Jeong   +2 more
doaj   +1 more source

Effects on the Surface and Luminescence Properties of GaAs by SF6 Plasma Passivation

open access: yesCrystals, 2018
The passivation effects of the SF6 plasma on a GaAs surface has been investigated by using the radio frequency (RF) plasma method. The RF’s power, chamber pressure, and plasma treatment time are optimized by photoluminescence (PL), atomic force ...
Yumeng Xu   +6 more
doaj   +1 more source

Chip-scale high-peak-power semiconductor/solid-state vertically integrated laser

open access: yesNature Communications, 2022
Here the authors demonstrate chip-scale high-peak-power lasers by vertical integration of semiconductor and solid state laser gain mediums to reach the same maturity level as existing semiconductor lasers, which are suitable for miniaturization and cost ...
Jianglin Yue   +11 more
doaj   +1 more source

Smart and Rapid Design of Nanophotonic Structures by an Adaptive and Regularized Deep Neural Network

open access: yesNanomaterials, 2022
The design of nanophotonic structures based on deep learning is emerging rapidly in the research community. Design methods using Deep Neural Networks (DNN) are outperforming conventional physics-based simulations performed iteratively by human experts ...
Renjie Li   +5 more
doaj   +1 more source

Deep reinforcement learning empowers automated inverse design and optimization of photonic crystals for nanoscale laser cavities

open access: yesNanophotonics, 2023
Photonics inverse design relies on human experts to search for a design topology that satisfies certain optical specifications with their experience and intuitions, which is relatively labor-intensive, slow, and sub-optimal.
Li Renjie   +8 more
doaj   +1 more source

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