Generation of high-fidelity few-cycle pulses at 2.1 μm via cross-polarized wave generation

We demonstrate the generation of temporally clean few-cycle pulses at 2.1 μm by shortening of 6-optical-cycle pulses via cross-polarized wave (XPW) generation in BaF(2), CaF(2) and CVD-Diamond crystals. By combining spectra and single-shot third-order intensity cross-correlation traces in a novel Ba...

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Bibliographic Details
Published in:Optics express 2013-04, Vol.21 (8), p.9711-9721
Main Authors: Ricci, Aurélien, Silva, Francisco, Jullien, Aurélie, Cousin, Seth L, Austin, Dane R, Biegert, Jens, Lopez-Martens, Rodrigo
Format: Article
Language:English
Subjects:
Equipment Design
Equipment Failure Analysis
Infrared Rays
Lighting - instrumentation
Lighting - methods
Refractometry - instrumentation
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Summary:We demonstrate the generation of temporally clean few-cycle pulses at 2.1 μm by shortening of 6-optical-cycle pulses via cross-polarized wave (XPW) generation in BaF(2), CaF(2) and CVD-Diamond crystals. By combining spectra and single-shot third-order intensity cross-correlation traces in a novel Bayesian pulse retrieval technique, we measured pulse durations of 20 fs, corresponding to 2.8 optical cycles. Our results show that XPW generation in the infrared could provide a high-fidelity source of few-cycle pulses for strong-field physics applications. It could also serve as an injector for high-peak power ultrafast mid-IR wavelength parametric amplifiers.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.009711