World's First Monolithic SiGe QKD Transmitter Chip
- Author(s)
- Florian Honz, Winfried Boxleitner, Mariana Ferreira-Ramos, Michael Hentschel, Philip Walther, Hannes Hübel, Bernhard Schrenk
- Abstract
We present a single-chip photonic QKD transmitter fabricated on a silicon platform. We achieve secure-key generation over 45.9km of field-deployed fiber and prove its operation along 32 WDM channels, by sourcing light without III-V materials.
- Organisation(s)
- Quantum Optics, Quantum Nanophysics and Quantum Information
- External organisation(s)
- Austrian Institute of Technology
- DOI
- https://doi.org/10.48550/arXiv.2504.08285
- Publication date
- 2025
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103026 Quantum optics
- ASJC Scopus subject areas
- Artificial Intelligence, Computer Networks and Communications, Signal Processing, Electrical and Electronic Engineering, Instrumentation, Atomic and Molecular Physics, and Optics
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/25c0b268-6790-4585-a924-8b6eb9051f16