March 2026

Conference Paper

Quantum-Enhanced Multi-Phase Distributed Sensing with a tSU(1,1) Interferometer

By:
Hong, Seongjin; Feldman, Matthew A; Marvinney, Claire E; Lee, Donghwa; Lee, Changhyoup; Pooser, Raphael; Marino Valle, Alberto M
Book Title:
Optica Quantum 2.0 Conference and Exhibition
Publication Date:
March 12, 2026
Publisher Location:
Optica Publishing Group, District of Columbia, United States of America
Conference Name:
Quantum 2.0 Conference and Exhibition
Conference Location:
San Francisco, California, United States of America
Conference Sponsor:
Optica
View DOI Listing:
https://doi.org/10.1364/QUANTUM.2025.QM2C.4

Abstract

We demonstrate the detection of a linear superposition of two distributed phases with a 1.7 dB quantum noise reduction using a tSU(1,1) interferometer. We extend the system theoretically to a multi-phase distributed sensing scheme.