Achieving comb formation over the entire lasing range of quantum cascade lasers

Y Yang, D Burghoff, J Reno, Q Hu - Optics Letters, 2017 - opg.optica.org
Frequency combs based on quantum cascade lasers (QCLs) are finding promising
applications in high-speed broadband spectroscopy in the terahertz regime, where many …

Dispersion engineering of quantum cascade laser frequency combs

G Villares, S Riedi, J Wolf, D Kazakov, MJ Süess… - Optica, 2016 - opg.optica.org
Quantum cascade laser (QCL) frequency combs offer the potential for building ultra-compact
broadband spectrometers operating in the mid-infrared spectral region, where many light …

Mid-infrared frequency comb for broadband high precision and sensitivity molecular spectroscopy

I Galli, S Bartalini, P Cancio, F Cappelli, G Giusfredi… - Optics letters, 2014 - opg.optica.org
We report on the experimental demonstration of the metrological and spectroscopic
performances of a mid-infrared comb generated by a nonlinear downconversion process …

Engineering the spectral bandwidth of quantum cascade laser frequency combs

M Beiser, N Opačak, J Hillbrand, G Strasser… - Optics Letters, 2021 - opg.optica.org
Quantum cascade lasers (QCLs) facilitate compact optical frequency comb sources that
operate in the mid-infrared and terahertz spectral regions, where many molecules have their …

Fiber-based, hybrid terahertz spectrometer using dual fiber combs

T Yasui, M Nose, A Ihara, K Kawamoto, S Yokoyama… - Optics letters, 2010 - opg.optica.org
We constructed a fiber-based, hybrid terahertz (THz) spectrometer having two working
modes, asynchronous-optical-sampling THz time-domain spectroscopy (AOS-THz-TDS) and …

[HTML][HTML] Frequency combs in optically injected terahertz ring quantum cascade lasers

MI Khan, Z Xiao, SJ Addamane, D Burghoff - APL Photonics, 2023 - pubs.aip.org
Quantum cascade lasers (QCLs) have emerged as promising candidates for generating chip-
scale frequency combs in mid-infrared and terahertz wavelengths. In this work, we …

Active Stabilization of Terahertz Semiconductor Dual‐Comb Laser Sources Employing a Phase Locking Technique

Y Zhao, Z Li, K Zhou, X Liao, W Guan… - Laser & Photonics …, 2021 - Wiley Online Library
Dual‐comb sources with equally spaced and low phase noise frequency lines are of great
importance for high resolution spectroscopy and metrology. In the terahertz frequency range …

[HTML][HTML] On-chip dual-comb based on quantum cascade laser frequency combs

G Villares, J Wolf, D Kazakov, MJ Süess, A Hugi… - Applied Physics …, 2015 - pubs.aip.org
Dual-comb spectroscopy is emerging as an appealing application of mid-infrared frequency
combs for high-resolution molecular spectroscopy, as it leverages on the unique coherence …

Frequency combs in quantum cascade lasers: An overview of modeling and experiments

C Silvestri, X Qi, T Taimre, K Bertling, AD Rakić - APL Photonics, 2023 - pubs.aip.org
Over the past decade, the demonstration of frequency combs has been reported in a wide
range of quantum cascade lasers. These combs have huge potential in applications …

Terahertz frequency comb by multifrequency-heterodyning photoconductive detection for high-accuracy, high-resolution terahertz spectroscopy

T Yasui, Y Kabetani, E Saneyoshi, S Yokoyama… - Applied Physics …, 2006 - pubs.aip.org
We report a terahertz spectroscopy technique based on a stable terahertz frequency comb
from a photoconductive terahertz emitter driven by a stabilized femtosecond laser. To this …