Efficient intracavity generation of visible pulses in a femtosecond near-infrared optical parametric oscillator

X. P. Zhang, J. Hebling, J. Kuhl, W. W. Rühle, H. Giessen

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We have achieved efficient simultaneous intracavity doubling of the signal frequency and sum-frequency generation between the signal and the pump in a periodically poled LiNbO3 femtosecond optical parametric oscillator pumped by a Ti:sapphire laser. The responsible mechanisms are second-, third-, and fourth-order quasi-phase matching (QPM). An ∼56% poling duty cycle permits efficient even-order QPM. Femtosecond pulses tunable in the visible were generated with a total efficiency of more than 8% for only 480-mW pump power at 80 MHz. Optimization of the poling duty cycle can improve the efficiency further.

Original languageEnglish
Pages (from-to)2005-2007
Number of pages3
JournalOptics Letters
Volume26
Issue number24
DOIs
Publication statusPublished - Dec 15 2001

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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