Integrated Visible-Light Liquid-Crystal-Based Modulators and
Grating-Based Antennas
Name
garciacoleto-agarciac-sm-eecs-2024-thesis.pdf
Description
Thesis PDF
Size
14.23 MB
Format
Adobe PDF
Checksum (MD5)
4e54920cde3933408ff58a9558d9e581
Author(s)
Garcia Coleto, Andres
Advisor(s)
Notaros, Jelena
Date Issued
September 2024
Publisher
Massachusetts Institute of Technology
Abstract
Current developments in integrated visible-light photonics have led to advancements in applications such as augmented-reality displays and quantum systems. However, the development of crucial integrated-photonics devices such as integrated gratingbased antennas and integrated optical modulators has predominantly focused on the infrared spectrum, leaving a gap in visible-light technologies. This thesis addresses this gap by designing and experimentally demonstrating integrated visible-light liquidcrystal-based (LC-based) modulators and grating-based antennas. First, we provide a thorough design guide for integrated visible-light grating-based antennas and experimentally demonstrate five antennas with varying advanced capabilities, including the first visible-light unidirectionally-emitting grating-based antennas for integrated optical phased arrays (OPAs), facilitating the use of integrated OPAs for new visible-light applications. Second, we discuss the fabrication processes, considerations, and evaluation techniques for successful packaging of integrated LC modulators, supporting the broader integration of LC into silicon-photonics platforms, enabling more compact and efficient on-chip modulation. Third, we experimentally demonstrate the first integrated visible-light LC-based variable-tap amplitude modulators, enabling a compact and low-power solution to integrated visible-light amplitude modulation for high-density integrated visible-light systems. Fourth, we experimentally demonstrate the first 300-mm wafer-scale platform and fabrication process that results in mechanically-flexible photonic wafers and chips, enabling the field of integrated photonics to advance into new application areas that require flexible photonic chips.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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