1 February 2011 Nonlinear switching in silicon-based ring resonators
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In this paper, we analyzed and 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, thermo-optic effects, free-carrier-induced absorption, and dispersion. Results obtained have shown that the general features of the nonlinear switching of the throughput and drop port signals are similar to a single-couple ring and nonlinear Fabry-Perot resonators, respectively. The interesting results of the double-coupler silicon ring resonator are the low switching power conditions and the linear amplification gain. The various applications can be provided by controlling the input-output of silicon-based resonators, for instance, by controlling the coupling ratio, free-carrier lifetime, and input wavelength, in which the multiple applications for optical switches, logic gates, and memories can be provided.
© (2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Channarong Kusalajeerung, Channarong Kusalajeerung, Surasak Chiangga, Surasak Chiangga, Santad Pitukwongsaporn, Santad Pitukwongsaporn, Preecha P. Yupapin, Preecha P. Yupapin, } "Nonlinear switching in silicon-based ring resonators," Optical Engineering 50(2), 024601 (1 February 2011). https://doi.org/10.1117/1.3533033 . Submission:


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