Optical frequency doubler using electro-optic crystal with impro

Optical mixer for upconverting or downconverting an optical sign

Optical modulation arrangement

Optical modulation with vanadium oxide thin films

Optical modulator

Optical modulator

Optical neuromorphic embodiments of self-regulating neural netwo

Optical reading of quantum well device

Optical signal modulators

Optical waveguide modulator using single crystals of TlGaSe.sub.

Optoelectronic modulator

Oscillator mixer circuit with reaction-tree coupling

Parametric frequency converter

Pattern indication using laser beam

Phase conjugation using internal reflection

Phase control circuit including an operational transconductance

Phase displacement modulator

Phase displacement modulator having four quadrant phases

Phase lock-loop modulator using an arithmetic synthesizer

Phase locked loop angle modulation system with large modulation