Quantum limits in optical communications

K Banaszek, L Kunz, M Jachura… - Journal of Lightwave …, 2020 - opg.optica.org
This tutorial reviews the Holevo capacity limit as a universal tool to analyze the ultimate
transmission rates in a variety of optical communication scenarios, ranging from …

Searching for interstellar quantum communications

M Hippke - The Astronomical Journal, 2021 - iopscience.iop.org
The modern search for extraterrestrial intelligence began with the seminal publications of
Cocconi & Morrison and Schwartz & Townes, who proposed searching for narrowband …

Photon information efficiency limits in deep-space optical communications

M Jarzyna, L Kunz, W Zwoliński, M Jachura… - Optical …, 2024 - spiedigitallibrary.org
Deep-space optical communication links operate under severely limited signal power,
approaching the photon-starved regime that requires a receiver capable of measuring …

Approaching the ultimate capacity limit in deep-space optical communication

K Banaszek, L Kunz, M Jarzyna… - Free-Space Laser …, 2019 - spiedigitallibrary.org
The information capacity of an optical channel under power constraints is ultimately limited
by the quantum nature of transmitted signals. We discuss currently available and emerging …

Structured optical receivers for efficient deep-space communication

K Banaszek, M Jachura - 2017 IEEE International Conference …, 2017 - ieeexplore.ieee.org
We discuss conceptual designs for structured optical receivers that can alleviate the
requirement for high peak-to-average power ratio in photon-starved optical communication …

Quantum memory receiver for superadditive communication using binary coherent states

A Klimek, M Jachura, W Wasilewski… - Journal of modern …, 2016 - Taylor & Francis
We propose a simple architecture based on multimode quantum memories for collective
readout of classical information keyed using a pair coherent states, exemplified by the well …

Greedy receiver for photon-efficient optical communication

K Łukanowski - Optics Express, 2024 - opg.optica.org
In optical communication, the transmitter encodes information into a set of light states
defined by the modulation format, selected to accommodate specific channel conditions and …

Range dependence of an optical pulse position modulation link in the presence of background noise

W Zwoliński, M Jarzyna, K Banaszek - Optics Express, 2018 - opg.optica.org
We analyze the information efficiency of a deep-space optical communication link with
background noise, employing the pulse position modulation (PPM) format and a direct …

Phase noise in collective binary phase shift keying with Hadamard words

M Jarzyna, V Lipińska, A Klimek, K Banaszek… - Optics …, 2016 - opg.optica.org
We analyze the effect of phase fluctuations in an optical communication scheme based on
collective detection of sequences of binary coherent state symbols using linear optics and …

Classical capacity per unit cost for quantum channels

M Jarzyna - Physical Review A, 2017 - APS
In most communication scenarios, sending a symbol encoded in a quantum state requires
spending resources such as energy, which can be quantified by a cost of communication. A …