Results 11 to 20 of about 1,637,850 (263)

Narrow-Linewidth Semiconductor Laser with Hybrid Feedback

Photonics
Narrow-linewidth semiconductor lasers have become indispensable devices in high-precision measurement and detection. Among various available technologies, self-injection locking plays a crucial role due to its significant ability to reduce linewidth and ...
Mingyuan Xue, Haiyang Shangguan, Hao Dong, Xinyu Wang, Zeying Lv, Lingxuan Zhang, Weiqiang Wang   +6 more
doaj   +2 more sources

Powerful narrow linewidth random fiber laser [PDF]

Photonic Sensors, 2016
In this paper, we demonstrate a narrow linewidth random fiber laser, which employs a tunable pump laser to select the operating wavelength for efficiency optimization, a narrow-band fiber Bragg grating (FBG) and a section of single mode fiber to ...
Jun Ye, Jiangming Xu, Hanwei Zhang, Pu Zhou   +3 more
doaj   +2 more sources

1.55 μm Narrow-Linewidth Pulsed Laser Based on MgO:PPLN

Photonics, 2023
A high-power narrow-linewidth 1.55 μm pulsed laser, based on MgO:PPLN OPO, has been achieved using a F–P etalon. The pump source is a 1064 nm acousto-optical (AO) Q-switched Nd:YAG laser with a repetition rate of 10 kHz.
Yaling Yang, Guorui Lv, Lei Guo, Haiping Xu, Hui Kong, Jiaqi Wen, Jintian Bian, Qing Ye, Kejian Yang, Jingliang He   +9 more
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Integrated Electro‐Optically Tunable Narrow‐Linewidth III–V Laser

Advanced Photonics Research
Herein, an integrated electro‐optically tunable narrow‐linewidth III–V laser with an output power of 738.8 μW and an intrinsic linewidth of 45.55 kHz at the C band is demonstrated.
Yiran Zhu, Shupeng Yu, Zhiwei Fang, Difeng Yin, Jian Liu, Zhe Wang, Yuan Zhou, Yu Ma, Haisu Zhang, Min Wang, Ya Cheng   +10 more
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Advances in narrow linewidth diode lasers [PDF]

SCIENTIA SINICA Informationis, 2019
The era of smart travel has arrived, and the need for high precision lidar detection technology is increasing. With the advantages of high resolution, a strong anti-active jamming ability, small volume, light weight, and low cost, new solid-state lidars can meet the requirements of intelligent cars in the future.
Xingkai Lang, Peng Jia, Yongyi Chen, Li Qin, Lei Liang 0001, Chao Chen, Yubing Wang, Xiaonan Shan, Yongqiang Ning, Lijun Wang   +9 more
openaire   +2 more sources

Study on external cavity diode laser with a wide mode-hopping free tuning range

Frontiers in Physics, 2022
A wide mode-hopping free and narrow linewidth tunable laser diode source with a Littman-Metcalf arrangement based on a diffraction grating is presented. Several experiments are carried out to demonstrate the tuning characteristics and spectral linewidth ...
Aiguo Zhang, Shan Qiao, Liwen Sheng, Liwen Sheng, Liwen Sheng, Lin Huang, Lin Huang, Lin Huang, Zhiming Liu, Junwei Ju, Zhihui Zhang, Bingqi Yin, Peng Li, Jiaqing Liu, Jiaqing Liu, Yu Wei   +15 more
doaj   +1 more source

The Influence of Noise Floor on the Measurement of Laser Linewidth Using Short-Delay-Length Self-Heterodyne/Homodyne Techniques

Micromachines, 2022
Delayed self-heterodyne/homodyne measurements based on an unbalanced interferometer are the most used methods for measuring the linewidth of narrow-linewidth lasers.
Zhongan Zhao, Zhenxu Bai, Duo Jin, Xiaojing Chen, Yaoyao Qi, Jie Ding, Bingzheng Yan, Yulei Wang, Zhiwei Lu, Richard P. Mildren   +9 more
doaj   +1 more source

Cost efficient narrow linewidth laser transmitter for coherent detection [PDF]

, 2008
Authors present a cost efficient narrow linewidth laser transmitter for future coherent detection systems. The spectral purity of the laser allows the phase modulation of data signals at bit rates as low as 155 Mb ...
Kelly, Brian, Anandarajah, Prince M., Reid, Douglas A., Barry, Liam P., Ellis, A.D., Kaszubowska-Anandarajah, Aleksandra, Phelan, Richard, Mishra, A.K., Perry, Philip, O'Gorman, James   +9 more
core   +3 more sources

Narrow-Linewidth 2 μm All-Fiber Laser Amplifier with a Highly Stable and Precisely Tunable Wavelength for Gas Molecule Absorption in Photonic Crystal Hollow-Core Fibers

Molecules, 2021
In recent years, mid-infrared fiber lasers based on gas-filled photonic crystal hollow-core fibers (HCFs) have attracted enormous attention. They provide a potential method for the generation of high-power mid-infrared emissions, particularly beyond 4 μm.
Wenxi Pei, Hao Li, Yulong Cui, Zhiyue Zhou, Meng Wang, Zefeng Wang   +5 more
doaj   +1 more source

A Sub-kHz Narrow-Linewidth, and Hundred-mW High-Output-Power Silicon-Based Er Silicate Laser With Hybrid Pump and Signal Co-Resonant Cavity

IEEE Photonics Journal, 2020
Narrow-linewidth silicon-based lasersplay an important role in the field of silicon photonics. In this paper, we have proposed a high performance narrow-linewidth silicon-based Er silicate laser, based on strip-loaded DFB waveguide with a hybrid pump and
Peiqi Zhou, Xingjun Wang, Yandong He
doaj   +1 more source