Coherently averaged dual-comb spectroscopy with a low-noise and high-power free-running gigahertz dual-comb laser

CR Phillips, B Willenberg, A Nussbaum-Lap**… - Optics …, 2023 - opg.optica.org
We present a new type of dual optical frequency comb source capable of scaling
applications to high measurement speeds while combining high average power, ultra-low …

Gigahertz semiconductor laser at a center wavelength of 2 µm in single and dual-comb operation

M Gaulke, J Heidrich, N Huwyler, M Schuchter… - Optics …, 2023 - opg.optica.org
Dual-comb lasers are a new class of ultrafast lasers that enable fast, accurate and sensitive
measurements without any mechanical delay lines. Here, we demonstrate a 2-µm laser …

Multi-target two-photon dual-comb LiDAR

H Wright, AJM Nelmes, NJ Weston, DT Reid - Optics Express, 2023 - opg.optica.org
By substituting two-photon cross-correlation in a wide-bandgap photodiode for the coherent
gating conventionally used in dual-comb ranging, two-photon dual-comb LiDAR exchanges …

Rapid and precise distance measurement with hybrid comb lasers

Z Wang, J Zhi, H Wu, BE Little, ST Chu… - Advanced …, 2024 - spiedigitallibrary.org
Dual-comb ranging allows rapid and precise distance measurement and can be universally
implemented on different comb platforms, eg, fiber combs and microcombs. To date, dual …

Single-cavity dual-modelocked 2.36-µm laser

A Barh, A Nussbaum-Lap**, J Heidrich, M Gaulke… - Optics …, 2023 - opg.optica.org
We present the first dual-modelocked femtosecond oscillator operating beyond 2 µm
wavelength. This new class of laser is based on a Cr: ZnS gain medium, an InGaSb SESAM …

Multi-dimensional multiplexed, tri-comb and quad-comb generation from a bidirectional mode-locked fiber laser

J Chen, X Wang, X Fang, X Zhao, Z Zheng - Optics Express, 2023 - opg.optica.org
Tri-comb and multi-comb techniques could enable many advanced measurement
applications beyond the reach of traditional dual-comb schemes. However, the sophisticated …

An Improved Data Processing Algorithm for Spectrally Resolved Interferometry Using a Femtosecond Laser

T Liu, H Matsukuma, A Suzuki, R Sato, W Gao - Sensors, 2024 - mdpi.com
Spectrally resolved interferometry utilizing a femtosecond laser is widely employed for
absolute distance measurement. However, deviations in the output time pulse of the …

Dual-comb Yb: CALGO laser with a polarization multiplexed cavity and pump

R Tang, Z Luo, P Li, P Ying, H **e, S Xu, J Bai… - Optics Express, 2024 - opg.optica.org
Single-cavity dual-comb lasers are considered appealing solutions for dual-comb
spectroscopy. However, achieving a wide and flexible adjustment of repetition rate …

Impact of Cyclic Error on Absolute Distance Measurement Based on Optical Frequency Combs

R Li, H Tian, J Shi, R Ji, D Dong, W Zhou - Sensors, 2024 - mdpi.com
Absolute distance measurements based on optical frequency combs (OFCs) have greatly
promoted advances in both science and technology, owing to the high precision, large non …

Bidirectional all-PM Er-doped fiber laser based on a self-stabilized interferometer mode-locker

M Zhao, X Liu, F Ye, HY Fu, Q Li - Optics & Laser Technology, 2025 - Elsevier
We demonstrate a bidirectional all polarization-maintaining (PM) Er-doped fiber laser based
on a self-stabilized interferometer mode-locker. By utilizing mechanical sharing and …