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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 12 — Jun. 12, 2006
  • pp: 5335–5345

Surface plasmon photonic structures in terahertz quantum cascade lasers

Olivier Demichel, Lukas Mahler, Tonia Losco, Cosimo Mauro, Richard Green, Jihua Xu, Alessandro Tredicucci, Fabio Beltram, Harvey E. Beere, David A. Ritchie, and Vincas Tamŏsiūnas  »View Author Affiliations


Optics Express, Vol. 14, Issue 12, pp. 5335-5345 (2006)
http://dx.doi.org/10.1364/OE.14.005335


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Abstract

The periodic scattering of the surface plasmon modes employed in the waveguide of terahertz quantum cascade lasers is shown to be an efficient method to control the properties of the laser emission. The scatterers are realized as thin slits in the metal and top contact layer carrying the surface plasmon. This technique provides larger coupling strengths than previously reported and can be used in various device implementations. Here the method is applied to realize a distributed feedback resonator without back-facet reflection, to achieve vertical emission of the radiation with second-order gratings, and to increase the facet reflectivity by fabricating passive distributed Bragg reflectors.

© 2006 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.5960) Lasers and laser optics : Semiconductor lasers
(240.6680) Optics at surfaces : Surface plasmons
(250.7270) Optoelectronics : Vertical emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 25, 2006
Revised Manuscript: May 31, 2006
Manuscript Accepted: May 31, 2006
Published: June 12, 2006

Citation
Olivier Demichel, Lukas Mahler, Tonia Losco, Cosimo Mauro, Richard Green, Alessandro Tredicucci, Jihua Xu, Fabio Beltram, Harvey E. Beere, David A. Ritchie, and Vincas Tamošinuas, "Surface plasmon photonic structures in terahertz quantum cascade lasers," Opt. Express 14, 5335-5345 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-12-5335


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References

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