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Comparative analysis of ultra-compact few-mode photonic wires on LNOI and SOI platforms

Kaushalram, Archana and Hegde, Gopalkrishna and Talabattula, Srinivas (2019) Comparative analysis of ultra-compact few-mode photonic wires on LNOI and SOI platforms. In: Conference on Integrated Optics - Devices, Materials, and Technologies XXIII, FEB 04-07, 2019, San Francisco, CA.

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Official URL: https://dx.doi.org/10.1117/12.2508776

Abstract

Parametric comparison of ultra-compact few-mode waveguides of three types (strip, rib, and buried) on thin-film Lithium Niobate On Insulator (LNOI) and SOI platforms is presented. Performance of waveguides is compared in terms of waveguide cross-sectional area, mode loss, dispersion, mode-hybridization and power confinement for both quasi-transverse electric (qTE) and quasi-transverse magnetic (qTM) modes. It is found that LNOI waveguides exhibit lower dispersion with physical dimensions comparable to that of SOI waveguides. The results are vital in choosing an optimum configuration of few-mode waveguides which is crucial for designing few-mode devices in mode-multiplexing schemes.

Item Type: Conference Proceedings
Additional Information: Conference on Integrated Optics - Devices, Materials, and Technologies XXIII, San Francisco, CA, FEB 04-07, 2019
Keywords: Few-mode waveguides; lithium niobate on insulator (LNOI); silicon on insulator (SOI); dispersion; mode division multiplexing; power confinement; mode hybridization; effective index
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Division of Interdisciplinary Research > Centre for Biosystems Science and Engineering
Depositing User: Id for Latest eprints
Date Deposited: 18 Jul 2019 09:56
Last Modified: 18 Jul 2019 09:56
URI: http://eprints.iisc.ac.in/id/eprint/62898

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