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 …

Disordered photonics

DS Wiersma - Nature Photonics, 2013 - nature.com
What do lotus flowers have in common with human bones, liquid crystals with colloidal
suspensions, and white beetles with the beautiful stones of the Taj Mahal? The answer is …

Random distributed feedback fibre lasers

SK Turitsyn, SA Babin, DV Churkin, ID Vatnik, M Nikulin… - Physics reports, 2014 - Elsevier
The concept of random lasers exploiting multiple scattering of photons in an amplifying
disordered medium in order to generate coherent light without a traditional laser resonator …

Optofluidic random laser

BN Shivakiran Bhaktha, N Bachelard, X Noblin… - Applied Physics …, 2012 - pubs.aip.org
Random lasing is reported in a dye-circulated structured polymeric microfluidic channel. The
role of disorder, which results from limited accuracy of photolithographic process, is …

Lévy exponents as universal identifiers of threshold and criticality in random lasers

R Uppu, S Mujumdar - Physical Review A, 2014 - APS
Critical excitation in random lasers under picosecond and nanosecond pum** was
experimentally studied. The resulting emission intensity statistics were analyzed using fits to …

Random Lasing over Gap States from a Quasi-One-Dimensional Amplifying<? format?> Periodic-on-Average Random Superlattice

AK Tiwari, S Mujumdar - Physical Review Letters, 2013 - APS
We report the experimental implementation and theoretical analysis of a random laser
system that constitutes an amplifying periodic-on-average random superlattice (PARS). The …

Continuous wave random lasing in naturally occurring biocompatible pigments and reduction of lasing threshold using triangular silver nanostructures as scattering …

S Biswas, P Kumbhakar - Nanoscale, 2017 - pubs.rsc.org
Random lasers have enormous applications in several fields including speckle-free imaging
and bio-imaging. Thus, recently, random laser (RL) generation (mostly under pulsed …

Laser action and photoexcitations dynamics in PbI2 films

CX Sheng, Y Zhai, E Olejnik, C Zhang, D Sun… - Optical Materials …, 2015 - opg.optica.org
We have grown high quality PbI_2 films by thermal evaporation. We obtained in these films
two amplified spontaneous emission (ASE) lines around~ 2.23 eV at relatively low pump …

Bright single-mode random laser from a concentrated solution of π-conjugated polymers

Y Wang, X Yang, H Li, CX Sheng - Optics Letters, 2016 - opg.optica.org
Using thin stripe excitation of a 10 ns pulsed laser, we observed robust and bright random
laser (RL) emission in high concentrated solutions of poly [2-methoxy-5-(2-ethylhexyloxy)-1 …

Förster energy transfer induced random lasing at unconventional excitation wavelengths

K Shadak Alee, S Barik, S Mujumdar - Applied Physics Letters, 2013 - pubs.aip.org
We experimentally demonstrate efficient lasing from a Rhodamine-nanoscatterer random
laser when pumped with unconventional wavelengths, at which the absorption of …