March 2026

Conference Paper

A single-photon polarization-frequency controlled-NOT gate

By:
Lu, Hsuan-Hao ; Lukens, Joseph M; Alshowkan, Muneer ; Kirby, Brian; Peters, Nicholas A
Book Title:
Proceedings of CLEO: Fundamental Science 2025
Publication Date:
March 12, 2026
Publisher Location:
Optica Publishing Group, District of Columbia, United States of America
Conference Name:
Conference on Laser and Electo-Optics (CLEO)
Conference Location:
Long Beach, California, United States of America
Conference Sponsor:
APS, IEEE Photonics, OPTICA
View DOI Listing:
https://doi.org/10.1364/CLEO_FS.2025.FF105_3

Abstract

We develop a high-fidelity controlled-NOT gate between photonic polarization and frequency, leveraging direction-dependent electro-optic phase modulation in a fiber Sagnac loop. This design could facilitate massively parallelizable entanglement distillation with polarization-frequency resources in lightwave networks.