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Linear and nonlinear behaviors of light in a silicon ring resonator

✍ Scribed by B. Vanishkorn; C. Kusalajeerung; S. Chiangga; S. Pitukwongsaporn; B. Jukgoljun; P. P. Yupapin

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
223 KB
Volume
53
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

We have investigated the nonlinear switching characteristics of an optical device using a double‐coupler silicon ring resonator in the presence of the linear losses, the Kerr nonlinearity, two‐photon absorption, free‐carrier‐induced absorption and dispersion, and thermo‐optic, in which the general features of the nonlinear switching of the throughput and drop port signals are similar to a single‐couple ring resonator and nonlinear Fabry–Perot resonator results, respectively. The interesting results of the double‐coupler silicon ring resonator are the low switching power conditions and the linear amplification gain, in which the various applications can provide by controlling the input–output characteristic of silicon‐based resonators, for instance, by controlling the coupling ratio, free‐carrier lifetime, and input wavelength, which can provide the multiple applications for optical switches, logic gates, and memories. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:997–1000, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25948

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