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

Archana Kaushalram; Gopalkrishna Hegde; Srinivas Talabattula

doi:10.1117/12.2508776

4 March 2019 Comparative analysis of ultra-compact few-mode photonic wires on LNOI and SOI platforms

Archana Kaushalram, Gopalkrishna Hegde, Srinivas Talabattula

Proceedings Volume 10921, Integrated Optics: Devices, Materials, and Technologies XXIII; 109211X (2019) https://doi.org/10.1117/12.2508776
Event: SPIE OPTO, 2019, San Francisco, California, United States

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.

Citation Download Citation

Archana Kaushalram, Gopalkrishna Hegde, and Srinivas Talabattula "Comparative analysis of ultra-compact few-mode photonic wires on LNOI and SOI platforms", Proc. SPIE 10921, Integrated Optics: Devices, Materials, and Technologies XXIII, 109211X (4 March 2019); https://doi.org/10.1117/12.2508776

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