- 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.