NON-CRITICALLY PHASE-MATCHED, TI-SAPPHIRE-PUMPED PICOSECOND OPTICAL PARAMETRIC OSCILLATOR USING LIB3O5

M EBRAHIMZADEH, S FRENCH, W SIBBETT, A MILLER

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We report a new source of high-repetition rate and widely tunable picosecond pulses for the near infrared. A singly resonant, cw, picosecond optical parametric oscillator based on temperature-tuned LiB3O5 and synchronously pumped by 1.8 ps pulses from a self-mode-locked Ti:Sapphire laser is demonstrated. The oscillator can provide average output powers of up to 90 mW under non-critical type-I phase matching at a pulse repetition rate of 81 MHz. Without dispersion compensation, transform-limited signal pulses with 720 fs durations have been generated at 1.2 times threshold. With the available mirror set, signal tuning over 1.374-1.530 mu m and idler tuning over 1.676-1.828 mu m is demonstrated for a range of pump wavelengths and phase-matching temperatures. With additional mirrors, continuous tuning throughout 1-2.7 mu m should be readily attainable with a single LiB3O5 crystal.

Original languageEnglish
Pages (from-to)443-448
Number of pages6
JournalApplied Physics B: Lasers and Optics
Volume60
Issue number5
Publication statusPublished - May 1995

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