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Conferences > CLEO_Europe > 2011 > PDA > PDA_3
  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper PDA_3

Photonic heterostructures: a new concept for high power surface emission in THz quantum cascade lasers

Gangyi Xu, Elodie Strupiechonski, Gregoire Sevin, Raffaele Colombelli, Ali Belarouci, Xavier Letartre, Suraj P. Khanna, Lianhe Li, Edmund H. Linfield, and A. Giles Davies

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Abstract

We report high-power-efficiency, surface-emitting, single-mode terahertz quantum cascade (QC) lasers with a photonic heterostructure resonator. This concept allows one to selectively excite an unusual resonance mode exhibiting a symmetric transverse electromagnetic field distribution and therefore high radiation efficiency.

© 2011 Optical Society of America

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