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Related Experiment Video

Updated: Jul 20, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

Experimental Guesswork with Quantum Side Information Using Twisted Light.

Vishal Katariya¹, Narayan Bhusal², Chenglong You²

¹Hearne Institute for Theoretical Physics, Department of Physics & Astronomy, and Center for Computation & Technology, Louisiana State University, Baton Rouge, LA 70803, USA.

Sensors (Basel, Switzerland)

|July 29, 2023

Summary

This summary is machine-generated.

Guesswork, an alternative to entropy for quantum security, was explored with quantum side information. Experiments with higher-dimensional BB84 states confirmed theoretical predictions, showing guesswork

Keywords:

quantum cryptography quantum information quantum optics

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Area of Science:

Quantum information theory
Quantum cryptography
Information theory

Background:

Guesswork is an information-theoretic measure relevant to cryptographic security.
Previous work established a theoretical framework for guesswork with quantum side information.
Extending this framework is crucial for understanding quantum security protocols.

Purpose of the Study:

To extend the theoretical framework of guesswork in the presence of quantum side information.
To experimentally investigate guesswork for BB84 states and their higher-dimensional generalizations.
To assess guesswork as a viable security criterion in quantum cryptography.

Main Methods:

Theoretical computation of guesswork for BB84 states and their higher-dimensional generalizations with quantum side information.
Proof-of-principle experiment using Laguerre-Gauss modes to measure guesswork.
Comparison of experimental results with theoretical predictions.

Main Results:

Theoretical calculations of guesswork were performed for two scenarios in each dimension.
Experimental results for higher-dimensional BB84 states closely matched theoretical predictions.
The study demonstrates the experimental accessibility of guesswork in optical setups.

Conclusions:

Guesswork is a viable security criterion for quantum cryptographic tasks.
The theoretical framework for guesswork with quantum side information has been successfully extended.
Experimental validation confirms the practical relevance of guesswork in quantum information processing.