All-polarization maintaining single-longitudinal-mode fiber laser with ultra-high OSNR, sub-KHz linewidth and extremely high stability

Z Wang, J Shang, S Li, K Mu, Y Qiao, S Yu - Optics & Laser Technology, 2021 - Elsevier
An all-polarization maintaining (PM) single-longitudinal-mode (SLM) erbium-doped fiber
laser (EDFL) with ultra-high optical signal-to-noise ratio (OSNR), ultra-narrow linewidth and …

Phase noise characterization of SGDBR lasers using phase modulation detection method with delayed self-heterodyne measurements

TN Huynh, L Nguyen, LP Barry - Journal of lightwave …, 2013 - ieeexplore.ieee.org
This study employed the coherent phase modulation (PM) detection method to characterize
the phase noise of a Sampled-Grating Distributed Bragg Reflector (SGDBR) laser via …

Single-frequency Bismuth-doped fiber laser with quasi-continuous self-sweeping

IA Lobach, SI Kablukov, MA Melkumov, VF Khopin… - Optics …, 2015 - opg.optica.org
Generation of regular pulses of linearly polarized radiation with periodic self-induced laser
line sweeping by~ 10 nm near central wavelength of~ 1460 nm has been demonstrated for …

Laser linewidth compression in cascading Brillouin random fiber lasers

Y Jiang, L Zhang, H Shou, H Xie, J Zhang… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
Cascaded Brillouin random fiber lasers (BRFLs) with laser linewidth compression were
theoretically and experimentally demonstrated. Thanks to photon-phonon coupled interplay …

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

JQ Chen, C Chen, JJ Sun, JW Zhang, ZH Liu, L Qin… - Sensors, 2024 - mdpi.com
Narrow-linewidth lasers mainly depend on the development of advanced laser linewidth
measurement methods for related technological progress as key devices in satellite laser …

Stabilized Brillouin laser with sub-Hz fundamental linewidth aided by frequency shifted optical injection locking

M Chen, Y Xu, Z Zhang, X Luo, H Bao - APL Photonics, 2024 - pubs.aip.org
Stable laser emission with ultra-narrow linewidth plays an important role in making
fundamental scientific breakthroughs. Here, we propose and demonstrate a new technique …

Self-sweeping ytterbium-doped fiber laser based on a fiber saturable absorber

Z Wen, K Wang, H Chen, B Lu, J Bai - Applied Physics Express, 2020 - iopscience.iop.org
Generally speaking, the self-sweeping effect relies on the dynamical grating formed in active
fiber. Here, the normal self-sweeping was generated in a ytterbium-doped fiber which serves …

1.5 μm, mode-hop-free full C-band wavelength tunable laser diode with a linewidth of 8 kHz and a RIN of− 130 dB/Hz and its extension to the L-band

K Kasai, M Nakazawa, Y Tomomatsu, T Endo - Optics Express, 2017 - opg.optica.org
We demonstrate a narrow-linewidth, low-intensity noise, widely wavelength-tunable LD for
which we adopted a long external cavity configuration (ECLD) with a tunable optical filter. By …

Observation of Q-switched and continuous wave regimes in Er-doped fiber lasers incorporating a dynamic population grating

Z Wen, X Fan, K Wang, W Wang, S Gao, W Hao… - Infrared Physics & …, 2024 - Elsevier
Dynamic population gratings (DPGs) in rare-earth doped fibers are prevalent devices in fiber
lasers for the production of single-longitudinal-mode emission and wavelength self …

Phase noise analysis of injected gain switched comb source for coherent communications

R Zhou, TN Huynh, V Vujicic, PM Anandarajah… - Optics express, 2014 - opg.optica.org
We present experimentally and analytically the phase noise characterization of an externally
injected gain switched comb source. The results reveal the residual high frequency FM …