Compression of 1.8 μm laser pulses to sub two optical cycles with bulk material

Schmidt, Bruno E.; Béjot, Pierre; Giguère, Mathieu; Shiner, Andrew D.; Trallero-Herrero, Carlos; Bisson, Éric; Kasparian, Jérôme; Wolf, Jean-Pierre; Villeneuve, David M.; Kieffer, Jean-Claude; Corkum, Paul B.; Légaré, François
March 2010
Applied Physics Letters;3/22/2010, Vol. 96 Issue 12, p121109
Academic Journal
We demonstrate a simple scheme to generate 0.4 mJ 11.5 fs laser pulses at 1.8 μm. Optical parametrically amplified pulses are spectrally broadened by nonlinear propagation in an argon-filled hollow-core fiber and subsequently compressed to 1.9 optical cycles by linear propagation through bulk material in the anomalous dispersion regime. This pulse compression scheme is confirmed through numerical simulations.


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