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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 6 — Jun. 1, 2007
  • pp: 1276–1282

Polarization switching of mutually coupled vertical-cavity surface-emitting lasers

Wei Li Zhang, Wei Pan, Bin Luo, Xiao Feng Li, Xi Hua Zou, and Meng Yao Wang  »View Author Affiliations


JOSA B, Vol. 24, Issue 6, pp. 1276-1282 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001276


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Abstract

Polarization switching (PS) of two mutually coupled vertical-cavity surface-emitting lasers (VCSELs) are studied numerically. A group of dimensionless rate equations is derived to describe our model. We focus on the influences of coupling rate and frequency detuning on PS dynamics. In the polarization-preserved mutual-injection case, x-polarization mode injection will defer the occurrence of PS, while y-polarization mode injection will lead PS to occur at a lower current. These influences will be weakened by frequency detuning. The effects of polarization-rotated injection are contrary to those of polarization-preserved injection. For polarization-rotated injection, two coupled VCSELs show really different PS characteristics if frequency detuning is nonzero. Besides in the L–I curves, we also find a region of values of the injection current where one laser emits in pure polarization mode, and the other laser emits in the orthogonal direction.

© 2007 Optical Society of America

OCIS Codes
(130.4310) Integrated optics : Nonlinear
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(230.5440) Optical devices : Polarization-selective devices
(260.5430) Physical optics : Polarization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 22, 2006
Manuscript Accepted: February 8, 2007
Published: May 17, 2007

Citation
Wei Li Zhang, Wei Pan, Bin Luo, Xiao Feng Li, Xi Hua Zou, and Meng Yao Wang, "Polarization switching of mutually coupled vertical-cavity surface-emitting lasers," J. Opt. Soc. Am. B 24, 1276-1282 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-6-1276

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