Frequency combs in quantum cascade lasers: An overview of modeling and experiments
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 …
range of quantum cascade lasers. These combs have huge potential in applications …
Planarized THz quantum cascade lasers for broadband coherent photonics
Recently, there has been a growing interest in integrated THz photonics for various
applications in communications, spectroscopy and sensing. We present a new integrated …
applications in communications, spectroscopy and sensing. We present a new integrated …
[HTML][HTML] Mid-infrared dual-comb spectroscopy with quantum cascade lasers
Since its invention in 1994, the quantum cascade laser (QCL) has emerged as a versatile
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …
[HTML][HTML] Frequency combs induced by optical feedback and harmonic order tunability in quantum cascade lasers
This study investigates the interaction between frequency combs and optical feedback
effects in Quantum Cascade Lasers (QCLs). The theoretical analysis reveals new …
effects in Quantum Cascade Lasers (QCLs). The theoretical analysis reveals new …
[HTML][HTML] Broadband surface-emitting THz laser frequency combs with inverse-designed integrated reflectors
THz quantum cascade lasers (QCLs) based on double metal waveguides feature
broadband and high-temperature devices for their use in spectroscopy and sensing …
broadband and high-temperature devices for their use in spectroscopy and sensing …
Controlled generation of harmonic states in mid-infrared quantum cascade laser frequency combs by external cavity optical feedback
We demonstrate the implementation of external cavity optical feedback to improve
coherence and promote generation of harmonic states by a mid-infrared quantum cascade …
coherence and promote generation of harmonic states by a mid-infrared quantum cascade …
Battery‐Operated Mid‐Infrared Diode Laser Frequency Combs
Abstract Mid‐wave infrared (MIR, 3–5 µm) optical frequency combs (OFC) are of critical
importance for spectroscopy of fundamental molecular transitions in space and terrestrial …
importance for spectroscopy of fundamental molecular transitions in space and terrestrial …
Impact of higher-order dispersion on frequency-modulated combs
Frequency-modulated (FM) combs form spontaneously in free-running semiconductor lasers
and possess a vast potential for spectroscopic applications. Despite recent progress in …
and possess a vast potential for spectroscopic applications. Despite recent progress in …
RF Injection Locking of THz Metasurface Quantum‐Cascade VECSEL
Radiofrequency (RF) injection locking and spectral broadening of a terahertz (THz) quantum‐
cascade vertical‐external‐cavity surface‐emitting laser (QC‐VECSEL) is demonstrated. An …
cascade vertical‐external‐cavity surface‐emitting laser (QC‐VECSEL) is demonstrated. An …
The origin of frequency combs in free-running quantum cascade lasers
N Opačak - 2022 - repositum.tuwien.at
Optical frequency combs are perfectly periodic waveforms of light, whose optical spectrum
consists of a large number of equidistant modes. The mode spacing lies in the radio …
consists of a large number of equidistant modes. The mode spacing lies in the radio …