Photon-number squeezing in optical fiber using a 10-fs Ti:Sapphire laser

Optical and Quantum Sensing and Precision Metrology II 2026

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Authors: Zicong Xu, Kazuki Hashimoto, Yasuyuki Ozeki, Takuro Ideguchi
DOI: 10.1117/12.3077582
Cited by: 0

Abstract

We demonstrate photon-number squeezing via the optical Kerr effect in a standard polarization-maintaining fiber, driven by an ultrashort 10-fs Ti:Sapphire laser with a 68 THz bandwidth. A squeezing level of −0.86 dB was directly observed, corresponding to −1.12 dB after subtracting circuit noise. To our knowledge, this is the first report of squeezing generated by such an ultrabroadband source, highlighting its potential for high-speed quantum communication and quantum-enhanced spectroscopy and imaging.

Fields of Study & Subjects

Quantum Information and Cryptography Quantum optics and atomic interactions Laser-Matter Interactions and Applications

Publication details

Journal / source
Optical and Quantum Sensing and Precision Metrology II
Pages
87–87
Publication date
5 March 2026
Language
EN