Optical transistor
- 15 June 1976
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 28 (12), 719-721
- https://doi.org/10.1063/1.88627
Abstract
A device is proposed which is the optical analog of the transistor wherein a weak incoming optical signal directly controls a strong outgoing optical signal. The basic principle utilized in the proposed device is the strong dependence of second harmonic generation on the phase‐matching condition. A weak incoming signal can perturb the indices of refraction in a birefringent material so that the second harmonic power derived from a pump beam is significantly affected. Large incremental power gain is shown to be possible. Tellurium is considered as an example.Keywords
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