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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 6 — Mar. 24, 2014
  • pp: 7222–7228

Strong optical injection and the differential gain in a quantum dash laser

Luke F. Lester, Nader A. Naderi, Frederic Grillot, Ravi Raghunathan, and Vassilios Kovanis  »View Author Affiliations


Optics Express, Vol. 22, Issue 6, pp. 7222-7228 (2014)
http://dx.doi.org/10.1364/OE.22.007222


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Abstract

By optically injecting a quantum dash laser and simultaneously producing a significant lowering of the device threshold, a large enhancement in the differential gain is realized. This effect is observed by way of a dramatic reduction in the linewidth enhancement factor and a large increase in the 3-dB modulation bandwidth, especially as the injection wavelength is blue-shifted. Compared to its free-running value, a 50X improvement in the laser’s differential gain is found.

© 2014 Optical Society of America

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(250.5960) Optoelectronics : Semiconductor lasers
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Optical Devices

History
Original Manuscript: January 21, 2014
Revised Manuscript: March 3, 2014
Manuscript Accepted: March 3, 2014
Published: March 20, 2014

Virtual Issues
Physics and Applications of Laser Dynamics (2014) Optics Express

Citation
Luke F. Lester, Nader A. Naderi, Frederic Grillot, Ravi Raghunathan, and Vassilios Kovanis, "Strong optical injection and the differential gain in a quantum dash laser," Opt. Express 22, 7222-7228 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-6-7222


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