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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 6390–6395

Low divergence Terahertz photonic-wire laser

Maria I. Amanti, Giacomo Scalari, Fabrizio Castellano, Mattias Beck, and Jerome Faist  »View Author Affiliations


Optics Express, Vol. 18, Issue 6, pp. 6390-6395 (2010)
http://dx.doi.org/10.1364/OE.18.006390


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Abstract

Edge emitting, terahertz quantum cascade photonic-wire lasers, based on a third order Bragg grating are presented. Devices with a power consumption as low as 300mW, with a single frequency output power of more than 1.5mW are demonstrated. Their maximum operating temperature in continuous-wave mode operation is 110K and the emission is concentrated in a narrow beam (~30° divergence). Larger structure based on the same design show more than 10mW output power and more than 200mW/A slope efficiency at 10K continuous-wave operation.

© 2010 OSA

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

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 1, 2010
Revised Manuscript: February 17, 2010
Manuscript Accepted: February 20, 2010
Published: March 12, 2010

Citation
Maria I. Amanti, Giacomo Scalari, Fabrizio Castellano, Mattias Beck, and Jerome Faist, "Low divergence Terahertz photonic-wire laser," Opt. Express 18, 6390-6395 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-6390


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