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Photonic Crystal Drop Filter for DWDM Systems

Balaji, VR and Dhanabalan, SS and Sridarshini, T and Robinson, S and Murugan, M and Hegde, G (2023) Photonic Crystal Drop Filter for DWDM Systems. In: Virtual International Conference on Futuristic Communication and Network Technologies, VICFCNT 2021, 10 - 11 December 2021, pp. 483-493.

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Official URL: https://doi.org/10.1007/978-981-19-9748-8_45


In this work, we present a channel drop filter (CDF) for dense wavelength division multiplexing (DWDM) systems designed using 2D photonic crystal square lattice (PCSL).The CDF consists of input waveguide, output drop waveguide, plus-shaped resonant cavity (PSRC) and reflector. The proposed filter is designed to the resonant wavelength of 1543.9 nm. The filter is able to drop the desired center wavelength by varying the outer ring pillar radius of PSRC. The novel filter drops the wavelength with high transmission efficiency, quality factor, and spectral line width of >> 98%, 4000, and 0.5 nm. The proposed device size is 73.96 μm2, and it is very ultra-compact and suitable for WDM systems.

Item Type: Conference Paper
Publication: Lecture Notes in Electrical Engineering
Publisher: Springer Science and Business Media Deutschland GmbH
Additional Information: The copyright for this article belongs to the Springer Science and Business Media Deutschland GmbH.
Keywords: Cross talk; Drop filter; Photonic crystal; Quality factor
Department/Centre: Division of Interdisciplinary Sciences > Centre for Biosystems Science and Engineering
Date Deposited: 31 Jul 2023 11:30
Last Modified: 31 Jul 2023 11:30
URI: https://eprints.iisc.ac.in/id/eprint/82757

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