Results 11 to 20 of about 12,506 (261)

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

Frontiers 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, Yu Zheng, Haigang Sun, Ji’an Duan   +3 more
doaj   +1 more source

Preface for Special Issue: Advancements in Semiconductor Lasers

Photonics, 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, Cristina Masoller, Min Won Lee   +2 more
doaj   +1 more source

Passivation Effect on ZnO Films by SF₆ Plasma Treatment

Crystals, 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, Baoxue Bo, Xin Gao, Zhongliang Qiao   +3 more
doaj   +1 more source

Semiconductor lasers with integrated metasurfaces for direct output beam modulation, enabled by innovative fabrication methods

Nanophotonics, 2023
Semiconductor lasers play critical roles in many different systems, ranging from optical communications to absorption spectroscopy for environmental monitoring.
Wen Dandan, Crozier Kenneth B.
doaj   +1 more source

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

Photonics, 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, Jun-Hyung Cho, Hyuk-Kee Sung   +2 more
doaj   +1 more source

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

Crystals, 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, Xin Gao, Xiaolei Zhang, Zhongliang Qiao, Jing Zhang, Lu Zhou, Baoxue Bo   +6 more
doaj   +1 more source

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

Nature 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, Kenji Tanaka, Go Hirano, Gen Yonezawa, Misaki Shimizu, Yasunobu Iwakoshi, Hiroshi Tobita, Rintaro Koda, Yasutaka Higa, Hideki Watanabe, Katsunori Yanashima, Masanao Kamata   +11 more
doaj   +1 more source

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

Nanomaterials, 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, Xiaozhe Gu, Yuanwen Shen, Ke Li, Zhen Li, Zhaoyu Zhang   +5 more
doaj   +1 more source

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

Nanophotonics, 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, Zhang Ceyao, Xie Wentao, Gong Yuanhao, Ding Feilong, Dai Hui, Chen Zihan, Yin Feng, Zhang Zhaoyu   +8 more
doaj   +1 more source

Controlling the Crystallinity and Morphology of Bismuth Selenide via Electrochemical Exfoliation for Tailored Reverse Saturable Absorption and Optical Limiting

Nanomaterials
As an emerging two-dimensional (2D) Group-VA material, bismuth selenide (Bi2Se3) exhibits favorable electrical and optical properties. Here, three distinct morphologies of Bi2Se3 were obtained from bulk Bi2Se3 through electrochemical intercalation ...
Hao Yan, Bingxue Li, Junjie Pan, Xuan Fang, Yongji Yu, Dengkui Wang, Dan Fang, Yanyan Zhan, Xiaohua Wang, Jinhua Li, Xiaohui Ma, Guangyong Jin   +11 more
doaj   +1 more source