Monolithically integrated THz transceivers

descriptionPublicationkeyboard_double_arrow_right Article 10 Feb 2011Publisher:SPIEJournal:SPIE Proceedings, volume 7,953, page 79530S (issn: 0277-786X,

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Authors: Michael C. Wanke; Mark Lee; Christopher D. Nordquist; Michael J. Cich; Albert D. Grine; Chuck T. Fuller; John L. Reno;

doi: 10.1117/12.876800

Monolithically integrated THz transceivers

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Abstract

We describe a monolithically integrated THz transceiver consisting of a Schottky diode embedded into a THz quantum cascade laser (QCL) waveguide. Besides functioning as a heterodyne receiver for externally incident radiation, the device is a useful tool for characterizing the performance and dynamics of the QCL. Here we present an overview of the device, demonstrate receiver operation, and present laser dynamics measurements especially related to feedback of the QCL's emission due to retroreflections.

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Sandia National Laboratories
United States

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