4.6 Article

Ultrabroadband supercontinuum generation in a CMOS-compatible platform

Journal

OPTICS LETTERS
Volume 37, Issue 10, Pages 1685-1687

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.37.001685

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Funding

  1. Defense Advanced Research Projects Agency
  2. Center for Nanoscale Systems
  3. National Science Foundation (NSF) [ECS-0335765]
  4. New York State Foundation for Science, Technology, and Innovation
  5. FPU of the Spanish Ministerio de Ciencia e Innovacion [AP-2006-03355]

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We demonstrate supercontinuum generation spanning 1.6 octaves in silicon nitride waveguides. Using a 4.3 cm-long waveguide, with an effective nonlinearity of gamma = 1.2 W-1 m(-1), we generate a spectrum extending from 665 nm to 2025 nm (at -30 dB) with 160 pJ pulses. Our results offer potential for a robust, integrated, and low-cost supercontinuum source for applications including frequency metrology, optical coherence tomography, confocal microscopy, and optical communications. (C) 2012 Optical Society of America

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