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Related Experiment Video

Updated: May 18, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Longer-baseline telescopes using quantum repeaters.

Daniel Gottesman¹, Thomas Jennewein, Sarah Croke

¹Perimeter Institute for Theoretical Physics, Waterloo, Ontario, Canada. dgottesman@perimeterinstitute.ca

Physical Review Letters

|September 26, 2012

Summary

This summary is machine-generated.

Quantum information can enhance interferometric telescopes by using quantum repeaters to overcome signal loss and noise. This approach enables significantly longer baselines for improved resolution in astronomical observations.

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Area of Science:

Quantum information science
Optical astronomy
Telescope engineering

Background:

Current optical interferometers face limitations in baseline length and resolution.
Signal loss and noise during photon transmission restrict the performance of existing interferometers.

Purpose of the Study:

To propose a novel approach for constructing interferometric telescopes.
To leverage quantum information principles for enhanced telescope capabilities.

Main Methods:

Utilizing concepts from quantum information theory.
Applying quantum repeater technology to optical interferometry.

Main Results:

A theoretical framework for building interferometric telescopes with extended baselines.
Potential to overcome signal loss and noise inherent in photon transmission.

Conclusions:

Quantum repeater technology offers a pathway to overcome baseline limitations in interferometric telescopes.
This approach could enable interferometers with arbitrarily long baselines, revolutionizing astronomical resolution.