One photon-per-bit receiver using near-noiseless phase-sensitive amplification

R Kakarla, J Schröder, PA Andrekson - light: science & applications, 2020 - nature.com
… -quadrature (SQ) homodyne detection receiver without a pre-amplifier resulted in a
sensitivity of 1.5 PPB at 156 Mb/s 11 , where the data rate was limited by the optical phase-locked …

Power Efficient Communication for Low Signal to Noise Ratio Optical Links

R Kakarla, M Mazur, J Schröder… - arXiv preprint arXiv …, 2021 - arxiv.org
… ML Stevens, DO Caplan, BS Robinson, DM Boroson, and AL Kachelmyer, “Optical
homodyne PSK demonstration of 1.5 photons per bit at 156 Mbps with rate-½ turbo coding,” Opt. …

Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics

Y Horst, BI Bitachon, L Kulmer, J Brun… - Light: Science & …, 2023 - nature.com
… This way we show 53 km FSO transmission of 13.3 Gbit/s … The frequency of the AO control
loop is 1.5 kHz. This is needed, as … laser communication links based on homodyne BPSK. In …

Simultaneous two-way classical communication and measurement-device-independent quantum key distribution on oceanic quantum channels

H Hu, H Zhong, W Ye, Y Guo - Communications in Theoretical …, 2022 - iopscience.iop.org
… -photon detector and source. It can transmit the secret key by modulating the quadrature
components of the optical field and utilizing heterodyne or homodyne … Subsequently, we show