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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 8 — Apr. 15, 2010
  • pp: 1154–1156

Demonstration of coherent emission from high-β photonic crystal nanolasers at room temperature

R. Hostein, R. Braive, L. Le Gratiet, A. Talneau, G. Beaudoin, I. Robert-Philip, I. Sagnes, and A. Beveratos  »View Author Affiliations


Optics Letters, Vol. 35, Issue 8, pp. 1154-1156 (2010)
http://dx.doi.org/10.1364/OL.35.001154


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Abstract

We report on lasing at room temperature and at telecommunications wavelength from photonic crystal nanocavities based on In As P In P quantum dots. Such laser cavities with a small modal volume and high quality factor display a high spontaneous emission coupling factor ( β ) . Lasing is confirmed by measuring the second-order autocorrelation function. A smooth transition from chaotic to coherent emission is observed, and coherent emission is obtained at eight times the threshold power.

© 2010 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(270.5580) Quantum optics : Quantum electrodynamics
(140.3948) Lasers and laser optics : Microcavity devices
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Quantum Optics

History
Original Manuscript: October 15, 2009
Revised Manuscript: January 14, 2010
Manuscript Accepted: February 5, 2010
Published: April 9, 2010

Citation
R. Hostein, R. Braive, L. Le Gratiet, A. Talneau, G. Beaudoin, I. Robert-Philip, I. Sagnes, and A. Beveratos, "Demonstration of coherent emission from high-β photonic crystal nanolasers at room temperature," Opt. Lett. 35, 1154-1156 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-8-1154

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