Linewidth Measurement of a Narrow-Linewidth Laser: Principles, Methods, and Systems [PDF]
SensorsNarrow-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,
Jia-Qi Chen +7 more
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Narrow-Linewidth GaN-on-Si Laser Diode with Slot Gratings
Nanomaterials, 2021 This letter reports room-temperature electrically pumped narrow-linewidth GaN-on-Si laser diodes. Unlike conventional distributed Bragg feedback laser diodes with hundreds of gratings, we employed only a few precisely defined slot gratings to narrow the ...
Yongjun Tang +11 more
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Wavelength-Tunable Narrow-Linewidth Laser Diode Based on Self-Injection Locking with a High-Q Lithium Niobate Microring Resonator [PDF]
Nanomaterials, 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.
Ting Huang +11 more
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Comparison of Different Linewidth Measuring Methods for Narrow Linewidth Laser [PDF]
Sensors, 2022 We experimentally demonstrate a fiber laser with different linewidths based on self-injection locking (SIL) and the stimulated Brillouin scattering effect.
Ziqi Zheng +9 more
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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 +14 more
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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 +9 more
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Dual-cavity feedback assisted DFB narrow linewidth laser [PDF]
Scientific Reports, 2017 Single longitudinal mode (SLM) distributed feedback (DFB) lasers with a linewidth lower than a few kHz find applications in many coherent detection systems.
Shihong Huang +6 more
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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.
Shuai Ren +7 more
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Narrow Linewidth 510 nm Laser via Single-Pass Frequency-Tripling by Waveguide PPLNs
PhotonicsA 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 +6 more
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Watt-Level, Narrow-Linewidth, Tunable Green Semiconductor Laser with External-Cavity Synchronous-Locking Technique [PDF]
SensorsExternal-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’.
Chunna Feng +4 more
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