Miniaturized terahertz photonic chips

Conference paper (2023)

Authors

Yazan Lampert Swiss Federal Institute of Technology
Francesco Bertot Swiss Federal Institute of Technology
Alexa Herter ETH Zürich
Amirhassan Shams-Ansari Harvard University
Alessandro Tomasino Swiss Federal Institute of Technology
S. Rajabali Swiss Federal Institute of Technology
Marko Loncar Harvard University
Ileana Cristina Benea-Chelmus Swiss Federal Institute of Technology
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Published Date

2023

Language

English

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Abstract

Terahertz science and technology is possibly now at an inflection point where integrated photonic circuits become increasingly viable sources and detectors of such high-frequency radiation. Generation in both second order [1] and third order [2,3,4] nonlinear waveguides and architectures thereof has exploited either optical rectification or microcomb generation with subsequent optical-to-terahertz conversion at a uni-travelling carrier photodiode. These initial demonstrations showcase a possible route towards miniaturized terahertz chips that are seamlessly integrated with photonics.