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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CTuC8

Feasibility of fullerene thin films for high-speed all-optical switching

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Abstract

A major deterrent to the practical implementation of high-speed optical switching is the availability of materials with appropriate properties such as sufficiently large optical nonlinearities that are easily incorporated into devices. We have been studying fullerene thin films, specifically C60 and C70, for this purpose. To assess the optical nonlinearity, we developed a novel and simple technique to measure the nonlinearity. This technique, Antiresonant Ring Interferometric Nonlinear Spectroscopy (ARINS),1 affords accurate and simultaneous determination of the real and imaginary parts of the optical nonlinearity at low optical powers. This is essential to preclude other processes from interfering with the measurement as observed in many previous attempts. ARINS is further able to eliminate thermal processes from affecting the measurements.

© 1994 Optical Society of America

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