Lasing in disordered media

H. Cao, A. Yamilov, J. Y. Xu, E. Seelig, Robert P. H. Chang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We review our recent work on lasing in active random media. Light scattering, which had been regarded detrimental to lasing action for a long time, actually provided coherent feedback for lasing. 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 application to microlasers. The threshold of ranodm laser can be reduced by incorporating some degree of order into an active random medium. Our calculation result shows that by optimizing the degree of order one can dramatically reduce the threshold of random laser to the values comparable to those of photonic bandgap defect lasers.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsC.F. Gmachl, D.P. Bour
Pages134-143
Number of pages10
Volume4995
DOIs
Publication statusPublished - 2003
EventNovel In-Plane Semiconductor Lasers II - San Jose, CA, United States
Duration: Jan 27 2003Jan 29 2003

Other

OtherNovel In-Plane Semiconductor Lasers II
CountryUnited States
CitySan Jose, CA
Period1/27/031/29/03

Fingerprint

lasing
Lasers
lasers
thresholds
Light scattering
Photonics
micrometers
Energy gap
light scattering
trapping
disorders
photonics
Scattering
Feedback
interference
Defects
defects
scattering

Keywords

  • Disordered system
  • Optical scattering
  • Random laser

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Cao, H., Yamilov, A., Xu, J. Y., Seelig, E., & Chang, R. P. H. (2003). Lasing in disordered media. In C. F. Gmachl, & D. P. Bour (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4995, pp. 134-143) https://doi.org/10.1117/12.479757

Lasing in disordered media. / Cao, H.; Yamilov, A.; Xu, J. Y.; Seelig, E.; Chang, Robert P. H.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / C.F. Gmachl; D.P. Bour. Vol. 4995 2003. p. 134-143.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cao, H, Yamilov, A, Xu, JY, Seelig, E & Chang, RPH 2003, Lasing in disordered media. in CF Gmachl & DP Bour (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4995, pp. 134-143, Novel In-Plane Semiconductor Lasers II, San Jose, CA, United States, 1/27/03. https://doi.org/10.1117/12.479757
Cao H, Yamilov A, Xu JY, Seelig E, Chang RPH. Lasing in disordered media. In Gmachl CF, Bour DP, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4995. 2003. p. 134-143 https://doi.org/10.1117/12.479757
Cao, H. ; Yamilov, A. ; Xu, J. Y. ; Seelig, E. ; Chang, Robert P. H. / Lasing in disordered media. Proceedings of SPIE - The International Society for Optical Engineering. editor / C.F. Gmachl ; D.P. Bour. Vol. 4995 2003. pp. 134-143
@inproceedings{f558de20f84540c8b9704a4b02dc6f82,
title = "Lasing in disordered media",
abstract = "We review our recent work on lasing in active random media. Light scattering, which had been regarded detrimental to lasing action for a long time, actually provided coherent feedback for lasing. 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 application to microlasers. The threshold of ranodm laser can be reduced by incorporating some degree of order into an active random medium. Our calculation result shows that by optimizing the degree of order one can dramatically reduce the threshold of random laser to the values comparable to those of photonic bandgap defect lasers.",
keywords = "Disordered system, Optical scattering, Random laser",
author = "H. Cao and A. Yamilov and Xu, {J. Y.} and E. Seelig and Chang, {Robert P. H.}",
year = "2003",
doi = "10.1117/12.479757",
language = "English",
volume = "4995",
pages = "134--143",
editor = "C.F. Gmachl and D.P. Bour",
booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",

}

TY - GEN

T1 - Lasing in disordered media

AU - Cao, H.

AU - Yamilov, A.

AU - Xu, J. Y.

AU - Seelig, E.

AU - Chang, Robert P. H.

PY - 2003

Y1 - 2003

N2 - We review our recent work on lasing in active random media. Light scattering, which had been regarded detrimental to lasing action for a long time, actually provided coherent feedback for lasing. 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 application to microlasers. The threshold of ranodm laser can be reduced by incorporating some degree of order into an active random medium. Our calculation result shows that by optimizing the degree of order one can dramatically reduce the threshold of random laser to the values comparable to those of photonic bandgap defect lasers.

AB - We review our recent work on lasing in active random media. Light scattering, which had been regarded detrimental to lasing action for a long time, actually provided coherent feedback for lasing. 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 application to microlasers. The threshold of ranodm laser can be reduced by incorporating some degree of order into an active random medium. Our calculation result shows that by optimizing the degree of order one can dramatically reduce the threshold of random laser to the values comparable to those of photonic bandgap defect lasers.

KW - Disordered system

KW - Optical scattering

KW - Random laser

UR - http://www.scopus.com/inward/record.url?scp=0141679322&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0141679322&partnerID=8YFLogxK

U2 - 10.1117/12.479757

DO - 10.1117/12.479757

M3 - Conference contribution

AN - SCOPUS:0141679322

VL - 4995

SP - 134

EP - 143

BT - Proceedings of SPIE - The International Society for Optical Engineering

A2 - Gmachl, C.F.

A2 - Bour, D.P.

ER -