Theory and Simulation of Gain-Guided Noncollinear Modes in Chirped Quasi-Phase-Matched Optical Parametric Amplifiers

Journal Article · Tue Sep 01 00:00:00 EDT 2009 · J. Opt. Soc. Am. B

OSTI ID:963665

Charbonneau-Lefort, Mathieu; Afeyan, Bedros; Fejer, Martin

Chirped quasi-phase-matched (QPM) gratings offer essentially constant gain over wide bandwidths, making them promising candidates for short-pulse optical parametric amplifiers. However, experiments have shown that high-gain non-collinear processes exist in spite of the dephasing caused by the non-uniformity of the QPM grating and compete with the desired collinear broadband gain of the amplifier. In this paper, these non-collinear gain-guided modes are investigated numerically and analytically in a model that includes longitudinal non-uniformity of the phase-matching profile, lateral localization of the pump beam and non-collinear propagation of the interacting waves.

• Research Organization: Polymath Research Inc.
• Sponsoring Organization: USDOE National Nuclear Security Administration (NA)
• DOE Contract Number: FG52-06NA26188
• OSTI ID: 963665
• Report Number(s): DOE/NA/26188-4
• Journal Information: J. Opt. Soc. Am. B, Journal Name: J. Opt. Soc. Am. B
• Country of Publication: United States
• Language: English

Related Subjects

99 GENERAL AND MISCELLANEOUS