Coherent supercontinuum generation in a silicon- germanium waveguide in the mid infrared
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Authors
Sinobad, M
Monat, C
Luther-Davies, Barry
Ma, Pan
Madden, Steve
Moss, David J.
Mitchell, Arnan
Orobtchouk, Regis
Della Torre, Alberto
Boutami, Salim
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The Optical Society
Abstract
We report high brightness coherent supercontinuum extending from 2.8 to 5.0μm in an air cladded Si0.6Ge0.4/Si waveguide with all-normal dispersion. Supercontinuum is generated by pumping with ~200fs pulses at 3.8μm. Dispersion engineering and low propagation loss (~0.5dB/cm at 3.8μm) allowed us to achieve more than 5mW useful on-chip average power.
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Optics InfoBase Conference Papers