Results 181 to 190 of about 35,818 (242)

A nanolaser with extreme dielectric confinement. [PDF]

Sci Adv
Xiong M, Yu Y, Berdnikov Y, Borregaard SK, Dubré AH, Semenova E, Yvind K, Mørk J.   +7 more
europepmc   +1 more source

Superradiant terahertz free-electron laser driven by electron microbunch trains. [PDF]

Light Sci Appl
Liang Y, Li T, Sun J, Liu Z, Yang J, Wang X, Yu Y, Tian Q, He Z, Wang H, Zeng L, Yi H, Sun H, Dai Y, Deng X, Wu G, Zhang W, Yang X, Tang C, Yan L.   +19 more
europepmc   +1 more source

Raman Gas Analysis with External Power Build-Up Cavity of Line-Narrowed 407-nm Laser Diode. [PDF]

Sensors (Basel)
Yao Z, Wang X, Zuo D.
europepmc   +1 more source

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Narrow-Linewidth Fano Laser

Conference on Lasers and Electro-Optics, 2022
By exploiting Fano resonances, a microscopic laser with a linewidth >20 times smaller than previous microscopic lasers is experimentally demonstrated. We also show that the linewidth can be further improved by engineering the Fano lineshape.
Yi Yu, Aurimas Sakanas, Elizaveta Semenova, Kresten Yvind, Jesper Mørk   +4 more
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Hybrid integrated narrow-linewidth semiconductor lasers

Applied Optics, 2023
Integrated narrow-linewidth lasers are the key devices in compact coherent optical systems of metrology, sensing, and optical microwave generation. Here, we demonstrate a hybrid integrated laser based on an optical negative feedback scheme.
Baoshuai Li, Weiqiang Wang, Honglei Yang, Hao Liu, Sai T. Chu, Brent Little, Yuxia Song, Boren Guan, Wenfu Zhang, Mingyu Li   +9 more
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Wavelength-tunable narrow-linewidth gaseous Raman laser

Applied Optics, 2021
Gaseous Raman lasers cover a range of wavelengths but lack wavelength tunability. Here, a 1 c m − 1 linewidth 532 nm laser was used as a pump laser, and with a narrow-linewidth seed laser injection, a narrow-linewidth first Stokes (S1) Raman ...
Chencheng Shen, Xianglong Cai, Xinjun Su, Tiancheng Zheng, Jinbo Liu, Ying Chen, Yuxi Jia, Dong Liu, Jingwei Guo   +8 more
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Narrow linewidth quantum cascade laser

Conference on Lasers and Electro-Optics, 2020
A narrow linewidth quantum cascade laser was obtained by optical feedback locking to a high finesse linear cavity with locking bandwidth larger than 5 MHz, resulting in an instantaneous linewidth at mHz levels.
Gang Zhao, D. Michelle Bailey, Adam J. Fleisher   +2 more
openaire   +1 more source

Future Narrow Linewidth Lasers

Optical Fiber Communication Conference, 2015
We describe the challenges and solutions for future narrow linewidth lasers with small footprint. We fabricated DR laser array based narrower linewiedth TLS. We introduce ITXA of a co-packaged DFB array based TLS and InP-based modulator.
Toshikazu Mukaihara, Toshio Kimura, Hiroyuki Koshi   +2 more
openaire   +1 more source