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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22481–22489

Pulse shortening of gain switched single mode semiconductor lasers using a variable delay interferometer

Antonio Consoli and Ignacio Esquivias  »View Author Affiliations


Optics Express, Vol. 20, Issue 20, pp. 22481-22489 (2012)
http://dx.doi.org/10.1364/OE.20.022481


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Abstract

We propose a pulse shaping and shortening technique for pulses generated from gain switched single mode semiconductor lasers, based on a Mach Zehnder interferometer with variable delay. The spectral and temporal characteristics of the pulses obtained with the proposed technique are investigated with numerical simulations. Experiments are performed with a Distributed Feedback laser and a Vertical Cavity Surface Emitting Laser, emitting at 1.5 µm, obtaining pulse duration reduction of 25-30%. The main asset of the proposed technique is that it can be applied to different devices and pulses, taking advantage of the flexibility of the gain switching technique.

© 2012 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.5960) Lasers and laser optics : Semiconductor lasers
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(320.5540) Ultrafast optics : Pulse shaping
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 22, 2012
Revised Manuscript: August 13, 2012
Manuscript Accepted: September 12, 2012
Published: September 17, 2012

Citation
Antonio Consoli and Ignacio Esquivias, "Pulse shortening of gain switched single mode semiconductor lasers using a variable delay interferometer," Opt. Express 20, 22481-22489 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-20-22481


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References

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