InP-based CV-QKD PIC Transmitter

J. Aldama (1) , S. Sarmiento (1) , S. Etcheverry (1) , I. López Grande (1) , L. Trigo Vidarte (1) , L. Castelvero (1) , A. Hinojosa , T. Beckerwerth (2) , Yoann Piétri (3) , Amine Rhouni (4) , Eleni Diamanti (3) , V. Pruneri

1 ICFO - Institut de Ciencies Fotoniques [Castelldefels]
2 Fraunhofer HHI - Fraunhofer Heinrich-Hertz-Institut [Berlin]
3 QI - Information Quantique [LIP6]
4 LIP6

An InP-based photonic integrated circuit (PIC) transmitter for pulsed Gaussian-modulated coherent-state (GMCS) CV-QKD protocol is presented and characterized. Results show potential asymptotic secret key rates of 0.4 Mbps at 11 km, and up to 2.3 Mbps in back-to-back configuration.

Domaines: Physique Quantique [quant-ph]; Cryptographie et sécurité [cs.CR]

J. Aldama, S. Sarmiento, S. Etcheverry, I. López Grande, L. Trigo Vidarte, et al.. InP-based CV-QKD PIC Transmitter. Optical Fiber Communication Conference (OFC) 2023, Mar 2023, San Diego, California, United States. pp.M1I.3, ⟨10.1364/OFC.2023.M1I.3⟩. ⟨hal-04289740⟩