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Transparent on-waveguide electrical interconnects in SiN-photonic platform

Dash, A and Gangavarapu, PRY and Nambiar, SR and Selvaraja, SK and Naik, AK (2019) Transparent on-waveguide electrical interconnects in SiN-photonic platform. In: Optics Communications, 444 . pp. 28-31.

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Official URL: https://doi.org/10.1016/j.optcom.2019.03.063


We demonstrate transparent in-contact electrical interconnects over SiN micro-ring resonators using metallic carbon nano-tubes (CNTs). Self-assembled stripes of metallic CNTs are directly in contact with the waveguide operating around 1550nm wavelength. The absorption by the CNTs around 1550nm is negligible for a coverage of about 2 of the micro-ring. The optical performance of the resonator is unaffected till a current density of 35μA�μm. Semi-conducting CNTs with a similar coverage also have negligible absorption around 1550nm. These metallic and semi-conducting CNTs hold promise for the implementation of transparent electronic circuits over SiN-photonic platform. © 2019 Elsevier B.V.

Item Type: Journal Article
Publication: Optics Communications
Additional Information: Copyright belongs to Elsevier B.V.
Keywords: Optical resonators; Optical waveguides; Photonics; Silicon nitride; Waveguides; Yarn, Carbon nano tube (CNTs); Electrical interconnects; Microring resonator; Microrings; Optical performance; Transparent electronics, Carbon nanotubes
Department/Centre: Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited: 24 Apr 2019 05:32
Last Modified: 25 Sep 2022 08:37
URI: https://eprints.iisc.ac.in/id/eprint/62203

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