Ultrafast chi /sup (3)/-related processes in semiconductor doped glasses
L. H. AcioliDepartamento de Fisica, Universidade Federal de Pernambuco, Recife, Pernambuco, BrazilAnderson S. L. GomesDepartamento de Fisica, Universidade Federal de Pernambuco, Recife, Pernambuco, BrazilJ. R. Rios LeiteDepartamento de Fisica, Universidade Federal de Pernambuco, Recife, Pernambuco, BrazilCid B. de AraújoDepartamento de Fisica, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
1990en
ABI
Abstract
Experimental results are described for exploiting the fast and large nonlinear susceptibility of semiconductor-doped glasses (SDGs). Self-diffraction experiments were performed using incoherent broadband lasers with femtosecond time resolution yielding new information on the time response of the SDG nonlinearity. The use of backward nondegenerate wave-mixing to demonstrate yellow-to-green frequency conversion with femtosecond resolution is reported. In addition, results are presented which demonstrate the use of the SDG as a picosecond all optical gate at a 100-MHz repetition rate.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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