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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 17, Iss. 16 — Aug. 15, 1992
  • pp: 1128–1130

Simple method for measuring the linewidth enhancement factor of semiconductor lasers by optical injection locking

Koichi Iiyama, Ken-ichi Hayashi, and Yoshio Ida  »View Author Affiliations


Optics Letters, Vol. 17, Issue 16, pp. 1128-1130 (1992)
http://dx.doi.org/10.1364/OL.17.001128


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Abstract

A simple method for measuring the linewidth enhancement factor α of a semiconductor laser by optical injection locking is described. Without knowledge of the absolute values of detuning and the optical injection level, the value of α is evaluated from only changes in optical power in the stable optical injection-locking state. The value of α of a 0.83-μm channeled substrate planar laser is evaluated to be 2.65 ± 0.2. The measurement error of this method is also discussed.

© 1992 Optical Society of America

History
Original Manuscript: March 31, 1992
Published: August 15, 1992

Citation
Koichi Iiyama, Ken-ichi Hayashi, and Yoshio Ida, "Simple method for measuring the linewidth enhancement factor of semiconductor lasers by optical injection locking," Opt. Lett. 17, 1128-1130 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-16-1128

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