Abstract

We demonstrate efficient self phase modulation, as well as negligible nonlinear absorption, in low loss (<0.06 dB/cm), high index silica glass-based waveguides. Using ~1ps pulses near 1560nm we achieve a 1.5π nonlinear phase shift in an integrated 45cm long spiral waveguide with <60W of peak input power, corresponding to a large nonlinearity (γ) of 220W^-1km^-1. Further, we observe negligible nonlinear absorption for input intensities > 25 GW/cm². The high nonlinearity and low linear and nonlinear losses of these waveguides make them promising for nonlinear all-optical signal processing applications.

© 2009 Optical Society of America

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History
Original Manuscript: December 9, 2008
Manuscript Accepted: January 18, 2009
Revised Manuscript: January 11, 2009
Published: January 29, 2009

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Author Affiliations

Brent E. Little, Sai T. Chu

Infinera

Marcello Ferrera, Luca Razzari, Roberto Morandotti

INRS-EMT

David Duchesne

INRS-Energie Mat & Tele Site Varennes

David J. Moss

University of Sydney

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