Pulse compression and gain enhancement in a degenerate optical parametric amplifier based on aperiodically poled crystals
David ArtigasDepartment of Physics, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, UKDerryck T. ReidDepartment of Physics, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, UKM. M. FejerE. L. Ginzton Laboratory, Stanford University, Stanford, California 94305Lluís TornerLaboratory of Photonics, Department of Signal Theory and Communications, Universitat Politecnica de Catalunya, Gran Capitan D3, 08034 Barcelona, Spain
2002en
ABI
Аннотация
We describe theoretically a method of obtaining pulse compression and simultaneously improving amplification in a degenerate optical parametric amplifier by use of quasi-phase-matched engineered crystals. The scheme combines the possibility of increasing the signal spectral bandwidth that is offered by a degenerate parametric amplifier with the ability of engineered aperiodically poled crystals to compensate for group-velocity mismatch.
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