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Applications of two-photon absorption in silicon

XINZHU SANG1,2,* , EN-KUANG TIEN2, OZDAL BOYRAZ2

Affiliation

  1. Key Laboratory of Optical Communication and Lightwave Technologies (MOE), Institute of Optical Communication and Optoelectronics, Beijing University of Posts and Telecommunications, Beijing, 100876,
  2. Department of Electrical Engineering & Computer Science, University of California, Irvine, CA, 92697, USA

Abstract

The main theoretical and experimental backgrounds of two-photon absorption (TPA) and TPA-induced free carriers in silicon are presented in detail. In particular, the mostly recent experimental achievements in applications of TPA and TPAinduced free carriers are discussed, such as optical limiting, optical pulse shaping, all-optical switching and modulation, alloptical logic gates, all-optical wavelength conversion and some applications of TPA in silicon photodiode. We show that TPA and TPA-induced free carriers in silicon can provide novel functional devices on chip scale, which would play important roles in the future optical communication and optical signal process systems..

Keywords

Nonlinear optics, Two photon absorption, Silicon waveguide.

Submitted at: Nov. 13, 2008
Accepted at: Jan. 29, 2009

Citation

XINZHU SANG, EN-KUANG TIEN, OZDAL BOYRAZ, Applications of two-photon absorption in silicon, Journal of Optoelectronics and Advanced Materials Vol. 11, Iss. 1, pp. 15-25 (2009)