Demonstration of a Squeezed Light Source on Thin-Film Lithium Niobate with Modal Phase Matching

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Main Authors: Arge, Tummas Napoleon, Jo, Seongmin, Nguyen, Huy Quang, Lenzini, Francesco, Lomonte, Emma, Nielsen, Jens Arnbak Holbøll, Domeneguetti, Renato R., Neergaard-Nielsen, Jonas Schou, Pernice, Wolfram, Gehring, Tobias, Andersen, Ulrik Lund
Format: Preprint
Published: 2024
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author Arge, Tummas Napoleon
Jo, Seongmin
Nguyen, Huy Quang
Lenzini, Francesco
Lomonte, Emma
Nielsen, Jens Arnbak Holbøll
Domeneguetti, Renato R.
Neergaard-Nielsen, Jonas Schou
Pernice, Wolfram
Gehring, Tobias
Andersen, Ulrik Lund
author_facet Arge, Tummas Napoleon
Jo, Seongmin
Nguyen, Huy Quang
Lenzini, Francesco
Lomonte, Emma
Nielsen, Jens Arnbak Holbøll
Domeneguetti, Renato R.
Neergaard-Nielsen, Jonas Schou
Pernice, Wolfram
Gehring, Tobias
Andersen, Ulrik Lund
contents Squeezed states are essential for continuous variable (CV) quantum information processing, with wide-ranging applications in computing, sensing and communications. Integrated photonic circuits provide a scalable, convenient platform for building large CV circuits. Thin-film Lithium Niobate (TFLN) is particularly promising due to its low propagation loss, efficient parametric down conversion, and fast electro-optical modulation. In this work, we demonstrate a squeezed light source on an integrated TFLN platform, achieving a measured shot noise reduction of 0.46 dB using modal phase matching and grating couplers with an efficiency of up to -2.2 dB. The achieved squeezing is comparable to what has been observed using more complex circuitry based on periodic poling. The simpler design allows for compact, efficient and reproducible sources of squeezed light.
format Preprint
id arxiv_https___arxiv_org_abs_2406_16516
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Demonstration of a Squeezed Light Source on Thin-Film Lithium Niobate with Modal Phase Matching
Arge, Tummas Napoleon
Jo, Seongmin
Nguyen, Huy Quang
Lenzini, Francesco
Lomonte, Emma
Nielsen, Jens Arnbak Holbøll
Domeneguetti, Renato R.
Neergaard-Nielsen, Jonas Schou
Pernice, Wolfram
Gehring, Tobias
Andersen, Ulrik Lund
Quantum Physics
Optics
Squeezed states are essential for continuous variable (CV) quantum information processing, with wide-ranging applications in computing, sensing and communications. Integrated photonic circuits provide a scalable, convenient platform for building large CV circuits. Thin-film Lithium Niobate (TFLN) is particularly promising due to its low propagation loss, efficient parametric down conversion, and fast electro-optical modulation. In this work, we demonstrate a squeezed light source on an integrated TFLN platform, achieving a measured shot noise reduction of 0.46 dB using modal phase matching and grating couplers with an efficiency of up to -2.2 dB. The achieved squeezing is comparable to what has been observed using more complex circuitry based on periodic poling. The simpler design allows for compact, efficient and reproducible sources of squeezed light.
title Demonstration of a Squeezed Light Source on Thin-Film Lithium Niobate with Modal Phase Matching
topic Quantum Physics
Optics
url https://arxiv.org/abs/2406.16516