Large-area traveling-wave LT-GaAs photomixers for LO application

Ernest A. Michael; Martin Mikulics; Michel Marso; Peter Kordos; Hans Lüth; Bernd Vowinkel; Rudolf Schieder; Jurgen Stutzki

doi:10.1117/12.551633

8 October 2004 Large-area traveling-wave LT-GaAs photomixers for LO application

Ernest A. Michael, Martin Mikulics, Michel Marso, Peter Kordos, Hans Lüth, Bernd Vowinkel, Rudolf Schieder, Jurgen Stutzki

Author Affiliations +

Proceedings Volume 5498, Millimeter and Submillimeter Detectors for Astronomy II; (2004) https://doi.org/10.1117/12.551633
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

A new type of geometry for terahertz traveling-wave photomixers, vertically pumped free-space by two detuned continuous-wave diode lasers, is proposed and experimentally verified for devices based on low-temperature-grown GaAs (LT-GaAs). It combines the advantages of conventional interdigitated small area structures and traveling-wave devices. An output power of 1 μW at the mixing frequency of 1 THz was measured as a first result, which meets power requirements for superconducting heterodyne mixer devices.

Citation Download Citation

Ernest A. Michael, Martin Mikulics, Michel Marso, Peter Kordos, Hans Lüth, Bernd Vowinkel, Rudolf Schieder, and Jurgen Stutzki "Large-area traveling-wave LT-GaAs photomixers for LO application", Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004); https://doi.org/10.1117/12.551633

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