Design and optimization of all-optical demultiplexer using photonic crystals for optical computing applications-Reference-Cited by-同舟云学术

Design and optimization of all-optical demultiplexer using photonic crystals for optical computing applications

Published:2020-08-17 Issue:0 Volume:0 Page:
ISSN:0173-4911
Container-title:Journal of Optical Communications
language:en
Short-container-title:

Author:

Sankar Rao Dalai Gowri¹,Fathima Mohammed Simran¹,Manjula Paila¹,Swarnakar Sandip¹

Affiliation:

1. Godavari Institute of Engineering and Technology , Department of Electronics and Communication Engineering , NH-16 , Chaitanya Knowledge City , Rajahmundry , Andhra Pradesh , India

Abstract

Abstract In this work, photonic crystal (PhC) based all-optical 1 × 2 demultiplexer is designed for optical computing and optical signal processing. The structure is implemented with two-dimensional PhCs using T-shaped waveguides with an optimized silicon rod radius of 0.2a. Performance of the proposed structure is verified and analyzed by using the finite-difference time-domain method. The design of all-optical demultiplexer is operated based on optical interference effect at a wavelength of 1550 nm. Proposed design occupies less area of 8.4 × 5.4 µm, provides a contrast ratio of 18.53 dB, 94.52% of minimum and 100% of maximum transmission ratio and it has less insertion loss of 0.017 dB; therefore, the proposed device is suitable for photonic integrated devices.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics

Link

https://www.degruyter.com/document/doi/10.1515/joc-2020-0057/pdf

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