Group-velocity self-matching of femtosecond pulses in noncollinear parametric generation

Year: 1995

Authors: Di Trapani P., Andreoni A., Banfi G.P., Solcia C., Danielius R., Piskarskas A., Foggi P., Monguzzi M., Sozzi C.

Autors Affiliation: Istituto di Scienze Matematiche, Fisiche e Chimiche, Università degli Studi di Milano, Via Lucini 3, 22100 Como, Italy; Dipartimento di Elettronica, Università di Pavia, Via Abbiategrasso 209, 27100 Pavia, Italy; Laser Research Center, University of Vilnius, Sauletekio avenue 10, 2054 Vilnius, Lithuania; European Laboratory for Nonlinear Spectroscopy, Largo Enrico Fermi 2, 50125 Firenze, Italy; Laser and Lidar Section, Centro Informazioni Studi Esperienze, Via Reggio Emilia 39, 20090 Segrate (MI), Italy; Centro Elettronica Quantistica e Strumentazione Elettronica-Consiglio Nazionale delle Ricerche, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy

Abstract: We show that the parametric superfluorescence generated by a 200-fs pulse at 0.6 µm in a ß-barium borate crystal occurs in directions, and at wavelengths, that minimize the group-velocity mismatch between pump and generated pulses. Favorable conditions for generation of tunable femtosecond pulses are found in noncollinear phase matching, a geometry of interaction which is worth exploiting in parametric devices.

Journal/Review: PHYSICAL REVIEW A

Volume: 51 (4)      Pages from: 3164  to: 3168

KeyWords: Barium borate; Oscillator
DOI: 10.1103/PhysRevA.51.3164

Citations: 46
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