High-power single-frequency fiber amplifiers: progress and challenge

C Li, Y Tao, M Jiang, P Ma, W Liu, R Su, J Xu… - Chinese Optics …, 2023 - opg.optica.org
Unlike conventional continuous-wave lasers with wide spectra, the amplification of single-
frequency lasers in optical fibers is much more difficult owing to the ultra-high power spectral …

Sub-kHz linewidth 1.6-µm single-frequency fiber laser based on a heavily erbium-doped silica fiber

Q Yang, Y Wang, C Yu, F Wang, M Wang, L Zhang… - Optics Letters, 2023 - opg.optica.org
We present a single-frequency erbium-doped fiber laser operated at 1608.8? nm using a
homemade, heavily erbium-doped silica fiber as gain medium. The laser configuration is …

A 301 W narrow-linewidth in-band pumped Er: Yb co-doped fiber amplifier at 1585 nm and related modeling for dynamics study and optimization

G Fu, G Li, W Yu, P Li, D Li, Q **ao… - High Power Laser …, 2024 - cambridge.org
To overcome Yb lasing, a kilowatt-level 1535 nm fiber laser is utilized to in-band pump an
Er: Yb co-doped fiber (EYDF) amplifier. The output power of a 301 W narrow-linewidth EYDF …

Linewidth narrowing in free-space-running diamond Brillouin lasers

D **, Z Bai, Z Zhao, Y Chen, W Fan… - High Power Laser …, 2023 - cambridge.org
This study analyzes the linewidth narrowing characteristics of free-space-running Brillouin
lasers and investigates the approaches to achieve linewidth compression and power …

Er-doped silicate fiber amplifiers in the L-band with flat gain

Y Sun, X Wang, Q Yang, Y Wang, F Wang, L Hu… - Optics Letters, 2024 - opg.optica.org
We demonstrated an efficient way to enhance and flatten the emission cross sections of Er^
3+ ions at the L-band in the silicate fiber amplifier by increasing Mg^ 2+(up to 22.5? mol%) …

A narrow-linewidth high-power fused silica Brillouin laser

D **, Z Bai, Y Chen, W Fan, J Ke, Y Wang, Z Lü… - Applied physics …, 2023 - pubs.aip.org
Free-space Brillouin lasers (BLs) generate high-power narrow-linewidth laser outputs at
specific wavelengths. However, despite these impressive results, further compressing the …

Robust low-noise 795-nm single-frequency fiber laser with continuous frequency tuning

X Cheng, X Yang, H Jiang, X Zeng, Y Feng - Optical Fiber Technology, 2024 - Elsevier
This study presents a highly efficient and low-noise all-fiber single-frequency (SF) 795-nm
laser system realized using a simple and robust single-pass frequency-doubling …

Design and fabrication of all-solid anti-resonant silicate fibers for Yb ASE suppression in Er/Yb fiber amplifier

Y Cheng, Q Yang, Y Zhu, D Wu, C Yu, Y Sun… - Optics …, 2024 - opg.optica.org
In this paper, we report the design, fabrication, and characterization of a passive silicate-
glass-based all-solid anti-resonant fiber (AS-ARF) for∼ 1 µm transmission suppression …

Three-dimensional imaging Lidar system based on high speed pseudorandom modulation and photon counting

Y Zhang, Y He, F Yang, Y Luo, W Chen - Chinese Optics Letters, 2016 - opg.optica.org
High speed pseudorandom modulation and photon counting techniques are applied to a
three-dimensional imaging lidar system. The specific structure and working principle of the …

1.5 J high-beam-quality Nd: LuAG ceramic active mirror laser amplifier

J Wang, K Zhao, T Feng, X Zhu, W Chen - Chinese Optics Letters, 2020 - opg.optica.org
A 1.5 J Nd: LuAG ceramic active mirror laser amplifier with a high beam quality is
demonstrated in which a 0.8%(atomic fraction) Nd-doped Nd: LuAG ceramic disk with a …