Abstract

Optical mixing of waves separated in frequency by many gigahertz can be accomplished by allowing the waves to mix in a nonlinear medium to generate microwave difference frequencies. This basis for high-bandwidth optical mixers is demonstrated by mixing optical frequencies ~4 GHz apart of a pulsed dye-laser beam at ~660 nm in a LiTaO3 crystal to produce readily detectable microwave power at ~4 GHz.

© 1984 Optical Society of America

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