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Authors: U.D. Dave, C. Ciret, S.-P. Gorza, S. Combrie, A. De Rossi, F. Raineri, G. Roelkens, B. Kuyken
Title: Dispersive wave based octave spanning super continuum generation in InGaP membrane waveguides on a silicon substrate
Format: International Journal
Publication date: 6/2015
Journal/Conference/Book: Optics Letters
Volume(Issue): 40(15) p.3584
Internal Reference: [N-1746]
DOI:
Download: Download this Publication (1.7MB) (1.7MB)

Abstract

We demonstrate the generation of an octave spanning supercontinuum in InGaP membrane waveguides on a silicon substrate pumped by a 1550 nm femtosecond source. The broadband nature of the supercontinuum in these dispersion engineered high index contrast waveguides is enabled by dispersive wave generation on both sides of the pump as well as by the low nonlinear losses inherent to the material. We also measure the coherence properties of the output spectra close the pump wavelength and find that the supercontinuum is highly coherent at least in this wavelength range.

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