Results 1 to 10 of about 4,613 (159)

Linewidth Measurement of a Narrow-Linewidth Laser: Principles, Methods, and Systems [PDF]

Sensors
Narrow-linewidth lasers mainly depend on the development of advanced laser linewidth measurement methods for related technological progress as key devices in satellite laser communications, precision measurements, ultra-high-speed optical communications,
Chao Chen, Yong-Qiang Ning
exaly   +4 more sources

Wavelength-Tunable Narrow-Linewidth Laser Diode Based on Self-Injection Locking with a High-Q Lithium Niobate Microring Resonator. [PDF]

Nanomaterials (Basel), 2023
We demonstrate a narrow linewidth 980 nm laser by self-injection locking of an electrically pumped distributed-feedback (DFB) laser diode to a high quality (Q) factor (>105) lithium niobate (LN) microring resonator.
Huang T, Ma Y, Fang Z, Zhou J, Zhou Y, Wang Z, Liu J, Wang Z, Zhang H, Wang M, Xu J, Cheng Y.   +11 more
europepmc   +2 more sources

Comparison of Different Linewidth Measuring Methods for Narrow Linewidth Laser. [PDF]

Sensors (Basel), 2022
We experimentally demonstrate a fiber laser with different linewidths based on self-injection locking (SIL) and the stimulated Brillouin scattering effect.
Zheng Z, Luo Q, Wang X, Ma X, Zhang W, Fang W, Chen X, Huang S, Zhou Y, Gao W.   +9 more
europepmc   +2 more sources

Narrow-Linewidth Laser Linewidth Measurement Technology

Frontiers in Physics, 2021
A narrow-linewidth laser with excellent temporal coherence is an important light source for microphysics, space detection, and high-precision measurement.
Zhenxu Bai, Zhongan Zhao, Sensen Li
exaly   +3 more sources

High-Power, Narrow-Linewidth, Continuous-Wave, Thulium-Doped Fiber Laser Based on MOPA

Photonics, 2023
A high-power, narrow-linewidth, continuous-wave, thulium-doped fiber laser (TDFL) based on a master-oscillator power-amplifier (MOPA) was experimentally demonstrated.
Biao Guan, Fengping Yan, Wenguo Han
exaly   +3 more sources

3.96 kW All-Fiberized Linearly Polarized and Narrow Linewidth Fiber Laser with Near-Diffraction-Limited Beam Quality

Nanomaterials, 2022
In this paper, we realize a 3.96 kW all-fiberized and polarization-maintained (PM) amplifier with narrow linewidth and near-diffraction-limited beam quality.
Pengfei Ma, Guangjian Wang, Yisha Chen   +2 more
exaly   +3 more sources

Dual-cavity feedback assisted DFB narrow linewidth laser. [PDF]

Sci Rep, 2017
Single longitudinal mode (SLM) distributed feedback (DFB) lasers with a linewidth lower than a few kHz find applications in many coherent detection systems.
Huang S, Zhu T, Yin G, Lan T, Li F, Huang L, Liu M.   +6 more
europepmc   +2 more sources

Watt-Level, Narrow-Linewidth, Tunable Green Semiconductor Laser with External-Cavity Synchronous-Locking Technique. [PDF]

Sensors (Basel)
External-cavity GaN semiconductor lasers at blue wavelengths enable narrow-linewidth and high-power output but is difficult at >500 nm green wavelengths due to the so-called ‘green gap’.
Feng C, Zeng B, Zou J, Ruan Q, Luo Z.
europepmc   +2 more sources

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 enhance coherence.
Mingyuan Xue, Haiyang Shangguan, Hao Dong, Xinyu Wang, Zeying Lv, Lingxuan Zhang, Weiqiang Wang   +6 more
openaire   +3 more sources

Narrow Linewidth 510 nm Laser via Single-Pass Frequency-Tripling by Waveguide PPLNs

Photonics
A single-frequency narrow linewidth green laser at 510 nm is a vital component for the study of Cesium Rydberg atoms. Here, we demonstrate a 510 nm laser based on single-pass second-harmonic generation (SHG) and sum-frequency generation (SFG) via ...
Yanlin Chen, Suo Wang, Xin Wei
exaly   +3 more sources