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Published April 1, 1973 | public
Journal Article Open

Traveling wave oscillations in the optical region: a theoretical examination

Abstract

The interaction of an electron beam with the optical field of a periodically perturbed dielectric thin-film waveguide is considered. When the electron velocity is nearly equal to that of one of the spatial harmonics of the field, a coherent exchange of energy can take place. This interaction, which can lead in principle to a voltage-tunable optical oscillation, is examined in the light of presently available thin-film techniques. An estimate of the oscillation threshold is made.

Additional Information

©1973 American Institute of Physics. Received 9 October 1972. The authors acknowledge fruitful discussions with their colleagues, J.R. Pierce, Dr. K. Sakuda, and A. Gover.

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