Recent advances and applications of random lasers and random fiber lasers

ASL Gomes, AL Moura, CB de Araújo… - Progress in Quantum …, 2021 - Elsevier
Abstract Random Lasers (RLs) and Random Fiber Lasers (RFLs) have been the subject of
intense research since their first experimental demonstration in 1994 and 2007, respectively …

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) …

Lasing from micro-and nano-scale photonic disordered structures for biomedical applications

R Gayathri, CS Suchand Sandeep, C Vijayan… - Nanomaterials, 2023 - mdpi.com
A disordered photonic medium is one in which scatterers are distributed randomly. Light
entering such media experiences multiple scattering events, resulting in a “random walk” …

Frequency-tunable continuous-wave random lasers at terahertz frequencies

S Biasco, HE Beere, DA Ritchie, L Li… - Light: Science & …, 2019 - nature.com
Random lasers are a class of devices in which feedback arises from multiple elastic
scattering in a highly disordered structure, providing an almost ideal light source for artefact …

Self‐Induced Mode‐Locking in Electrically Pumped Far‐Infrared Random Lasers

A Di Gaspare, V Pistore, E Riccardi… - Advanced …, 2023 - Wiley Online Library
Mode locking, the self‐starting synchronous oscillation of electromagnetic modes in a laser
cavity, is the primary way to generate ultrashort light pulses. In random lasers, without a …

Photonic engineering technology for the development of terahertz quantum cascade lasers

Y Zeng, B Qiang, QJ Wang - Advanced Optical Materials, 2020 - Wiley Online Library
A terahertz (THz) quantum cascade laser (QCL) is an electrically pumped semiconductor
laser based on the inter‐subband electron transitions in a multiple‐quantum‐well …

Self-mixing interferometry and near-field nanoscopy in quantum cascade random lasers at terahertz frequencies

KS Reichel, EAA Pogna, S Biasco, L Viti… - …, 2021 - degruyter.com
We demonstrate that electrically pumped random laser resonators, operating at terahertz
(THz) frequencies, and comprising a quantum cascade laser heterostructure, can operate as …

Fluorescence enhancement of organic dyes by femtosecond laser-induced cavitation bubbles for crystal imaging

J Yu, J Yan, L Jiang, J Li, H Guo, M Qiao, L Qu - Nanoscale, 2023 - pubs.rsc.org
Fluorescence from organic dyes can be applied in many research fields such as imaging,
bio-sensing and diagnosis. One shortcoming of fluorescence imaging is the limitation in …

2D tunable all-solid-state random laser in the visible

B Kumar, R Homri, P Sebbah - Scientific Reports, 2023 - nature.com
Abstract A two-dimensional (2D) solid-state random laser emitting in the visible is
demonstrated, in which optical feedback is provided by a controlled disordered arrangement …

All-optical adaptive control of quantum cascade random lasers

S Schönhuber, N Bachelard, B Limbacher… - Nature …, 2020 - nature.com
Spectral fingerprints of molecules are mostly accessible in the terahertz (THz) and mid-
infrared ranges, such that efficient molecular-detection technologies rely on broadband …