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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 10 — May. 14, 2007
  • pp: 5948–5965

Design of mid-IR and THz quantum cascade laser cavities with complete TM photonic bandgap

Michael Bahriz, Virginie Moreau, Raffaele Colombelli, Orion Crisafulli, and Oskar Painter  »View Author Affiliations


Optics Express, Vol. 15, Issue 10, pp. 5948-5965 (2007)
http://dx.doi.org/10.1364/OE.15.005948


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Abstract

We present the design of mid-infrared and THz quantum cascade laser cavities formed from planar photonic crystals with a complete in-plane photonic bandgap. The design is based on a honeycomb lattice, and achieves a full in-plane photonic gap for transverse-magnetic polarized light while preserving a connected pattern for efficient electrical injection. Candidate defects modes for lasing are identified. This lattice is then used as a model system to demonstrate a novel effect: under certain conditions -that are typically satisfied in the THz range - a complete photonic gap can be obtained by the sole patterning of the top metal contact. This possibility greatly reduces the required fabrication complexity and avoids potential damage of the semiconductor active region.

© 2007 Optical Society of America

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.5750) Optical devices : Resonators
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 11, 2007
Revised Manuscript: April 17, 2007
Manuscript Accepted: April 25, 2007
Published: May 1, 2007

Citation
Michael Bahriz, Virginie Moreau, Raffaele Colombelli, Orion Crisafulli, and Oskar Painter, "Design of mid-IR and THz quantum cascade laser cavities with complete TM photonic bandgap," Opt. Express 15, 5948-5965 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-10-5948


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