Abstract

A model is presented that includes broadband, off-axis light generation for parametric downconversion processes. We apply this to parametric generation with material parameters adapted for periodically poled lithium niobate; our simulations are compared with experimental results. Our simulations explore the competition between on-axis and off-axis signal generation. With a broad-area pump, we find that a shorter crystal is more effective at suppressing off-axis signal generation.

© 2004 Optical Society of America

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Periodically poled lithium niobate monolithic nanosecond optical parametric oscillators and generators

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