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

Paper Details

Date Published: 4 March 2019
PDF: 9 pages
Proc. SPIE 10921, Integrated Optics: Devices, Materials, and Technologies XXIII, 109211X (4 March 2019); doi: 10.1117/12.2508776
Show Author Affiliations
Archana Kaushalram, Indian Institute of Science (India)
Gopalkrishna Hegde, Indian Institute of Science (India)
Srinivas Talabattula, Indian Institute of Science (India)

Published in SPIE Proceedings Vol. 10921:
Integrated Optics: Devices, Materials, and Technologies XXIII
Sonia M. García-Blanco; Pavel Cheben, Editor(s)

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