Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Practical quantum-enhanced receivers for classical communication



Ivan Burenkov, Jabir Marakkarakath Vadakkepurayil, Sergey Polyakov


Communication is an integral part of human life. Today, optical pulses are the preferred information carriers for long-distance communication. The exponential growth in data leads to a "capacity crunch" in the underlying physical systems. One of the possible methods to deter the exponential growth of physical resources for communication is to use quantum, rather than classical measurement at the receiver. Quantum measurement improves the energy efficiency of optical communication protocols by enabling discrimination of optical coherent states with the discrimination error rate below the shot-noise limit. In this review article, the authors focus on quantum receivers that can be practically implemented at the current state of technology, first and foremost displacement-based receivers. The authors present the experimentalist view on the progress in quantum-enhanced receivers and discuss their potential.
AVS Quantum Science


quantum receiver, quantum measurement, coherent optical communication


Burenkov, I. , Marakkarakath Vadakkepurayil, J. and Polyakov, S. (2021), Practical quantum-enhanced receivers for classical communication, AVS Quantum Science, [online],, (Accessed May 30, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created April 20, 2021, Updated October 24, 2023