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Optical Engineering

Performance of optical microring resonator as multiplexer and all-optical logic shifter in Z-domain
Author(s): Nidhi Verma; Sanjoy Mandal
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Paper Abstract

The performance of 4×1 multiplexer (MUX) and 8×1 multiplexer (MUX) using GaAs–AlGaAs based optical microring resonator (OMRR) is presented. The 4×1 MUX is designed with two OMRR and 8×1 MUX is designed with three OMRR. The proposed structure of 8×1 MUX is further used to design 8-bit logic shifter circuit. The nonlinear property of OMRR is used as an optical switch in all the optical logic circuits. The performance of 4×1 MUX, 8×1 MUX, and 8-bit logic shifter circuit is analyzed using Z-domain model. The various important parameters of the proposed model, such as on–off ratio [τon-off(dB)], full-width half maximum (FWHM), Q-factor, extinction ratio [ξER(dB)], contrast ratio [χCR(dB)] amplitude modulation [ηAM(dB)], are also analyzed.

Paper Details

Date Published: 28 January 2016
PDF: 11 pages
Opt. Eng. 55(1) 016105 doi: 10.1117/1.OE.55.1.016105
Published in: Optical Engineering Volume 55, Issue 1
Show Author Affiliations
Nidhi Verma, Indian School of Mines (India)
Sanjoy Mandal, Indian School of Mines (India)


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