Microwave switching by picosecond photoconductivity

Details Microwave switching by picosecond photoconductivity Microwave switching by picosecond photoconductivity

Jun 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975ijqe...11..283j&link_type=abstract

IEEE Journal of Quantum Electronics, vol. QE-11, June 1975, p. 283-287.

Physics

14

Electro-Optical Effect, Microwave Switching, Photoconductivity, Pulse Duration, Semiconductor Devices, Strip Transmission Lines, Dense Plasmas, Microwave Oscillators, Microwave Transmission, Millimeter Waves, Plasma Generators, Silicon

Scientific paper

Bulk photoconductivity produced by the absorption of picosecond optical pulses in silicon transmission-line structures has been used to switch and gate microwave signals. The technique permits the generation of microwave and millimeter-wave pulses as short as a single cycle, and requires only a few microjoules of optical energy. The basic features of the device are illustrated with switching experiments at 1 GHz and 10 GHz, and the results are discussed with reference to the physical properties of the high-density plasma responsible for the switching.

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