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 +9 more
europepmc +2 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. [PDF]
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.
Pei W +5 more
europepmc +2 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 +11 more
europepmc +2 more sources
Narrow-Linewidth GaN-on-Si Laser Diode with Slot Gratings. [PDF]
Nanomaterials (Basel), 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 ...
Tang Y +11 more
europepmc +2 more sources
Narrow Linewidth Half-Open-Cavity Random Laser Assisted by a Three-Grating Ring Resonator for Strain Detection. [PDF]
Sensors (Basel), 2022 A stabilized narrow-linewidth random fiber laser for strain detection, based on a three-grating ring (TGR) resonator and half-open-cavity structure, is proposed and investigated experimentally.
Lv B, Zhang W, Huang W, Li F, Li Y.
europepmc +2 more sources
Linewidth Measurement of a Narrow-Linewidth Laser: Principles, Methods, and Systems. [PDF]
Sensors (Basel)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,
Chen JQ +7 more
europepmc +2 more sources
Impedance self-matching ultra-narrow linewidth fiber resonator by use of a tunable π-phase-shifted FBG. [PDF]
Sci Rep, 2017 In this paper, we present a novel ultra-narrow linewidth fiber resonator formed by a tunable polarization maintaining (PM) π-phase-shifted fiber Bragg grating and a PM uniform fiber Bragg grating with a certain length of PM single mode fiber patch cable ...
Jing M +6 more
europepmc +2 more sources
Dual-microcavity narrow-linewidth Brillouin laser [PDF]
Optica, 2015 Ultralow-noise yet tunable lasers are a revolutionary tool in precision spectroscopy, displacement measurements at the standard quantum limit, and the development of advanced optical atomic clocks.
Baynes, Fred N. +8 more
core +5 more sources
Noise characteristics of semiconductor lasers with narrow linewidth. [PDF]
HeliyonNarrow-linewidth semiconductor lasers are highly valued in scientific research and industrial applications owing to their high coherence and low phase noise characteristics, particularly in high-performance optical communications, sensing, and microwave ...
Wang H +13 more
europepmc +2 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 +6 more
europepmc +2 more sources