Picojoule-level octave-spanning supercontinuum generation in chalcogenide waveguides

Low propagation loss Ge Sb S waveguides (0.56 dB/cm) are fabricated in a wafer scale process. Simulation of a 2 cm long, 1.2 μm wide waveguide with 100 ps/nm/km peak dispersion predicts coherent supercontinuum generation at 1.55 μm pump wavelength. Octave-spanning supercontinuum using a dispersive w...

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Bibliographic Details
Published in:Optics express 2018-08, Vol.26 (16), p.21358-21363
Main Authors: Tremblay, Jean-Étienne, Malinowski, Marcin, Richardson, Kathleen A, Fathpour, Sasan, Wu, Ming C
Format: Article
Language:English
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Summary:Low propagation loss Ge Sb S waveguides (0.56 dB/cm) are fabricated in a wafer scale process. Simulation of a 2 cm long, 1.2 μm wide waveguide with 100 ps/nm/km peak dispersion predicts coherent supercontinuum generation at 1.55 μm pump wavelength. Octave-spanning supercontinuum using a dispersive wave is experimentally demonstrated using picojoule-level energy (26 pJ, 240 fs pulse width, 77 W peak power) pulses.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.26.021358