InP-based CV-QKD PIC Transmitter
J. Aldama, Samael Sarmiento, S. Etcheverry, Ignacio H. López Grande, Luis Trigo Vidarte, Lorenzo Castelvero, A. Hinojosa, Tobias Beckerwerth, Yoann Piétri, Amine Rhouni, Eleni Diamanti, Valerio Pruneri · 2023
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.