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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 13 — Jul. 1, 2013
  • pp: 16162–16169

Electric field sampling of modelocked pulses from a quantum cascade laser

Joshua R. Freeman, Jean Maysonnave, Harvey E. Beere, David A. Ritchie, Jérôme Tignon, and Sukhdeep S. Dhillon  »View Author Affiliations

Optics Express, Vol. 21, Issue 13, pp. 16162-16169 (2013)

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We measure the electric field of a train of modelocked pulses from a quantum cascade laser in the time-domain by electro-optic sampling. The method relies on synchronizing the modelocked pulses to a reference laser and is applied to 15-ps pulses generated by a 2-THz quantum cascade laser. The pulses from the actively modelocked laser are completely characterized in field and in time with a sub-ps resolution, allowing us to determine the amplitude and phase of each cavity mode. The technique can also give access to the carrier-envelope phase of each pulse.

© 2013 OSA

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.7100) Ultrafast optics : Ultrafast measurements
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 30, 2013
Revised Manuscript: June 14, 2013
Manuscript Accepted: June 17, 2013
Published: June 28, 2013

Joshua R. Freeman, Jean Maysonnave, Harvey E. Beere, David A. Ritchie, Jérôme Tignon, and Sukhdeep S. Dhillon, "Electric field sampling of modelocked pulses from a quantum cascade laser," Opt. Express 21, 16162-16169 (2013)

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