ISSTT Proceedings

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Traveling-Wave Membrane Photomixers

Authors:
R.A. Wyss, S.C. Martin, B.J. Nakamura, A. Neto, D. Pasqualini, P.H. Siegel, C. Kadow, A.C. Gossard
Abstract:
Traveling-wave photomixers have superior performance when compared with lumped area photomixers in the 1 to 3 THz frequency range. Their large active area and distributed gain mechanism assure high thermal damage threshold and elimination of the capacitive frequency roll-off. However, the losses experienced by the RF wave traveling along the coplanar strips waveguide (due to underlying semi-infinite GaAs substrate) were a serious drawback. In this paper we present device designs and an experimental setup that make possible the realization of photomixers on membranes which eliminate the losses.
Categories:
Poster Session
Year:
2001
Session:
5
Full-text:
Download a PDF of this paper.
Page Number(s):
233