Low propagation loss Ge23Sb7S70 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… Click to show full abstract
Low propagation loss Ge23Sb7S70 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.
               
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