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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper CThH3
  • https://doi.org/10.1364/CLEO.2009.CThH3

Low divergence single mode edge emitting double metal Terahertz Quantum Cascade Laser

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Abstract

We present the use of a third order distributed feedback waveguide for double metal THz quantum cascade laser as a successful design to obtain high slope efficiency of 50mW/A, spectral emission control and narrow single lobed far field (5° × 8°).

© 2009 Optical Society of America

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