Monolithic optical parametric oscillator using chirped quasi-phase matching

Karl A. Tillman, Derryck T. Reid

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We describe a highly efficient monolithic, Q-switched, nanosecond optical parametric oscillator based on a magnesium-oxide-doped periodically poled lithium niobate crystal and containing multiple quasi-phase-matched gratings. The crystal consisted of a single unchirped grating and five gratings containing progressively increasing amounts of longitudinal chirp. The monolithic design makes the device highly compact, stable, and robust, and it demonstrated a pump-to-signal conversion efficiency of around 50%, generating 50 µJ pulses at 1.55 µm with a spectral bandwidth of 20 nm. Sonogram traces are presented showing the effect of crystal chirp on the temporal and spectral performance. © 2007 Optical Society of America.

Original languageEnglish
Pages (from-to)1548-1550
Number of pages3
JournalOptics Letters
Volume32
Issue number11
DOIs
Publication statusPublished - 1 Jun 2007

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