Random lasers with coherent feedback

Hui Cao, Junying Y. Xu, Yong Ling, Alexander L. Burin, Eric W. Seeling, Xiang Liu, Robert P. H. Chang

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

We review our recent work on lasing in active random media. Light scattering, which had been regarded as detrimental to lasing action for a long time, actually provided coherent feedback for lasing. The fundamental difference and transition between a random laser with coherent feedback and a random laser with incoherent feedback were illustrated. We also trapped laser light in micrometer-sized random media. The trapping was caused by disorder-induced scattering and interference. This nontraditional way of light confinement has important applications to microlasers.

Original languageEnglish
Pages (from-to)111-119
Number of pages9
JournalIEEE Journal on Selected Topics in Quantum Electronics
Volume9
Issue number1
DOIs
Publication statusPublished - Jan 2003

Fingerprint

lasing
Feedback
Lasers
lasers
Light scattering
micrometers
light scattering
trapping
disorders
Scattering
interference
scattering

Keywords

  • Disordered system
  • Optical scattering
  • Random laser

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Random lasers with coherent feedback. / Cao, Hui; Xu, Junying Y.; Ling, Yong; Burin, Alexander L.; Seeling, Eric W.; Liu, Xiang; Chang, Robert P. H.

In: IEEE Journal on Selected Topics in Quantum Electronics, Vol. 9, No. 1, 01.2003, p. 111-119.

Research output: Contribution to journalArticle

Cao, H, Xu, JY, Ling, Y, Burin, AL, Seeling, EW, Liu, X & Chang, RPH 2003, 'Random lasers with coherent feedback', IEEE Journal on Selected Topics in Quantum Electronics, vol. 9, no. 1, pp. 111-119. https://doi.org/10.1109/JSTQE.2002.807975
Cao, Hui ; Xu, Junying Y. ; Ling, Yong ; Burin, Alexander L. ; Seeling, Eric W. ; Liu, Xiang ; Chang, Robert P. H. / Random lasers with coherent feedback. In: IEEE Journal on Selected Topics in Quantum Electronics. 2003 ; Vol. 9, No. 1. pp. 111-119.
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