Abstract

We generated second-harmonic light from a single-mode fiber after a few minutes of seeding with 532-nm harmonic light along with 1.064-μm pump light. This experiment supports a mechanism for photoinducing an alternating second-order nonlinearity in the fiber.

© 1987 Optical Society of America

Čerenkov-radiation-type second-harmonic generation in nonlinear-optical photoconducting polymers based on self-organized quasi-phase matching

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