Photonic circuits engineering in lithium niobate on insulator

Krasnokutska, I 2019, Photonic circuits engineering in lithium niobate on insulator, Doctor of Philosophy (PhD), Engineering, RMIT University.

Document type: Thesis
Collection: Theses

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Title Photonic circuits engineering in lithium niobate on insulator
Author(s) Krasnokutska, I
Year 2019
Abstract The needs of modern day photonics stimulate continual research into engineering new platforms. This thesis focuses on the prominent photonic platform-lithium niobate on insulator (LNOI). Chapter 1 introduces the history of photonics, photonic applications, platform requirements. Moreover, popular photonic platforms are introduced and compared, followed by a review of LNOI photonics. Chapter 2 provides a brief theoretical background to waveguide theory, microring resonators, electro-optic effect and nanofabrication. In chapter 3, published work on ultra low loss LNOI waveguides is presented. Chapter 4 and 5 discuss published edge coupling and vertical coupling LNOI devices for efficient fibre-chip coupling. The fourth publication is presented in chapter 6 where the initial steps towards tunable integrated spectral filtering are investigated. This thesis aims to propose solutions to the engineering challenges faced by LNOI as an emerging platform, from the initial nanostructuring requirements needed for low loss waveguides and efficient coupling schemes, to early nonlinear and electro-optic devices.
Degree Doctor of Philosophy (PhD)
Institution RMIT University
School, Department or Centre Engineering
Subjects Condensed Matter Modelling and Density Functional Theory
Photodetectors, Optical Sensors and Solar Cells
Photonics and Electro-Optical Engineering (excl. Communications)
Keyword(s) Photonics
Lithium niobate on insulator
Photonic circuits
Photonic platform
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Created: Fri, 10 Jan 2020, 10:16:08 EST by Adam Rivett
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