[HTML][HTML] 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 quantum cascade lasers as enabling quantum technology

MS Vitiello, P De Natale - Advanced Quantum Technologies, 2022 - Wiley Online Library
Quantum cascade lasers (QCLs) represent the most fascinating achievement of quantum
engineering, showing how artificial materials can be generated through quantum design …

Short pulse generation from a graphene-coupled passively mode-locked terahertz laser

E Riccardi, V Pistore, S Kang, L Seitner, A De Vetter… - Nature …, 2023 - nature.com
The generation of stable trains of ultrashort (femtosecond to picosecond), terahertz-
frequency radiation pulses with large instantaneous intensities is an underlying requirement …

[HTML][HTML] Fully phase-stabilized quantum cascade laser frequency comb

L Consolino, M Nafa, F Cappelli, K Garrasi… - Nature …, 2019 - nature.com
Miniaturized frequency comb sources across hard-to-access spectral regions, ie mid-and far-
infrared, have long been sought. Four-wave-mixing based Quantum Cascade Laser combs …

Laser frequency combs with fast gain recovery: physics and applications

M Piccardo, F Capasso - Laser & Photonics Reviews, 2022 - Wiley Online Library
The dynamics of semiconductor lasers with fast gain is generally considered to suppress
amplitude modulation, resulting in a frequency‐modulated output. Since their first …

Self‐induced phase locking of terahertz frequency combs in a phase‐sensitive hyperspectral near‐field nanoscope

V Pistore, EAA Pogna, L Viti, L Li, AG Davies… - Advanced …, 2022 - Wiley Online Library
Chip‐scale, electrically‐pumped terahertz (THz) frequency‐combs (FCs) rely on nonlinear
four‐wave‐mixing processes, and have a nontrivial phase relationship between the evenly …

Physics and technology of Terahertz quantum cascade lasers

MS Vitiello, A Tredicucci - Advances in Physics: X, 2021 - Taylor & Francis
Even though already in the seventies, right after the invention of the quantum cascade laser
(QCL) concept, it was argued that this device could be operated in the THz (far-infrared) …

[HTML][HTML] Millimeter wave photonics with terahertz semiconductor lasers

V Pistore, H Nong, PB Vigneron, K Garrasi… - Nature …, 2021 - nature.com
Millimeter wave (mmWave) generation using photonic techniques has so far been limited to
the use of near-infrared lasers that are down-converted to the mmWave region. However …

[HTML][HTML] Room temperature terahertz semiconductor frequency comb

Q Lu, F Wang, D Wu, S Slivken, M Razeghi - Nature communications, 2019 - nature.com
A terahertz (THz) frequency comb capable of high-resolution measurement will significantly
advance THz technology application in spectroscopy, metrology and sensing. The recently …

Photon-driven broadband emission and frequency comb RF injection locking in THz quantum cascade lasers

A Forrer, M Franckié, D Stark, T Olariu, M Beck… - ACS …, 2020 - ACS Publications
We present homogeneous quantum cascade lasers (QCLs) emitting around 3 THz which
display bandwidths up to 950 GHz with a single stable beatnote. Devices are spontaneously …