Simultaneous parametric oscillation and signal-to-idler conversion for efficient downconversion

We experimentally demonstrate an optical parametric oscillator, whose signal pumps another difference-frequency generation process. Engineered idler frequency coincidence of both processes in a single quasiperiodic crystal improves pump-to-idler slope efficiency by 52.8%, from 15.25% to 23.3%, and p...

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Bibliographic Details
Published in:Optics letters 2010-05, Vol.35 (9), p.1401-1403
Main Authors: PORAT, Gil, GAYER, Ofer, ARIE, Ady
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optical parametric oscillators and amplifiers
Optics
Physics
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Summary:We experimentally demonstrate an optical parametric oscillator, whose signal pumps another difference-frequency generation process. Engineered idler frequency coincidence of both processes in a single quasiperiodic crystal improves pump-to-idler slope efficiency by 52.8%, from 15.25% to 23.3%, and pump-to-idler conversion efficiency (at an average pump power of 1.2 W) by 16.6%, from 12.5% to 14.58%.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.35.001401