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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2482–2487

Behavior of the relaxation oscillation frequency in vertical cavity surface-emitting laser with external feedback

Nemi Gavra and Michael Rosenbluh  »View Author Affiliations


JOSA B, Vol. 27, Issue 12, pp. 2482-2487 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002482


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Abstract

The influence of weak optical feedback on the dynamics of a single longitudinal mode vertical-cavity surface-emitting laser (VCSEL) is studied experimentally under conditions when the feedback power is sufficiently low so as to avoid the onset of chaos. The VCSEL dynamics divides into two regimes depending on the ratio of the relaxation oscillation frequency to the external cavity mode spacing. In the long cavity regime, the modulation frequency response of the VCSEL exhibits resonances corresponding to the frequencies of the external cavity modes, while for the short cavity regime the modulation response of the VCSEL at the cavity resonances remains very low while the relaxation oscillation frequency is shifted and the modulation response at the shifted frequency exhibits a sharpened and enhanced resonance.

© 2010 Optical Society of America

OCIS Codes
(140.1540) Lasers and laser optics : Chaos
(140.2020) Lasers and laser optics : Diode lasers
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 15, 2010
Revised Manuscript: September 21, 2010
Manuscript Accepted: September 24, 2010
Published: November 3, 2010

Citation
Nemi Gavra and Michael Rosenbluh, "Behavior of the relaxation oscillation frequency in vertical cavity surface-emitting laser with external feedback," J. Opt. Soc. Am. B 27, 2482-2487 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2482

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