Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Research in Optical Sciences

Higher-Dimensional Quantum Cryptography

Bradley Christensen, Kevin T. McCusker, Daniel J. Gauthier, Daniel R. Kumor, Venkat Chandar, Paul G. Kwiat

Published Jan 1, 2014• 1 citation
Publisher

Abstract

We report on a high-speed quantum cryptography system with simultaneous entanglement in polarization and “time-bins”. We use multiple degrees of freedom and multiple spots on the downconversion cone to achieve 14 Mbits/s of secure key.
DOI
10.1364/qim.2014.qw4a.7

Related papers

Information Reconciliation in Higher-Dimensional Quantum Cryptography

Bradley Christensen, Daniel R. Kumor, Kevin T. McCusker +3 more

We report on a high-speed quantum cryptography system that utilizes simultaneous entanglement in polarization and time-bins. We also show a practical implementation of information reconciliation using concatenated low density parity check codes.

The Rochester Conferences on Coherence and Quantum Optics and the Quantum Information and Measurement meeting•Jan 1, 2013•0 citations

High-Speed Quantum Key Distribution Using Hyper-Entangled Photons

Bradley Christensen, Kevin T. McCusker, Daniel J. Gauthier +1 more

We discuss a quantum cryptography system using the timing and polarization degrees of freedom to produce a high bit rate for both technologically limited eavesdroppers and for any potential eavesdroppers.

Conference on Lasers and Electro-Optics•Jan 1, 2012•1 citation

Advanced Quantum Communication via Hyperentanglement

Paul G. Kwiat

Photons created via spontaneous downconversion may be simultaneously entangled in multiple degrees of freedom. This ‘hyperentanglement’ enables advanced capabilities in quantum communication, including multi-bit per photon quantum cryptography and superdense quantum teleportation.

Research in Optical Sciences•Jan 1, 2012•1 citation

Multiplexed entanglement-based quantum cryptography: concept and implementations

Martin Bohmann, Evelyn A. Ortega, Johannes Pseiner +5 more

We introduce a general scheme for increasing secure key rates in entanglement-based cryptography exploiting multiple degrees of freedom. We experimentally exemplify this scheme through spatial and wavelength multiplexing. Scalability of our approach is demonstrated.

Conference on Lasers and Electro-Optics•Jan 1, 2021•1 citation

The security of quantum key distribution using the orbital angular momentum states of light

Eliot Bolduc, Jonathan Leach, Daniel J. Gauthier +1 more

High-dimensional entanglement is a key resource for quantum cryptography. We experimentally realise the criterion for secure quantum key distribution when using photons entangled in the orbital angular momentum and angle degrees of freedom.

Research in Optical Sciences•Jan 1, 2012•0 citations

Experimental high-rate multiplexed quantum communication

Martin Bohmann, Evelyn A. Ortega, Johannes Pseiner +6 more

We introduce a general scheme for increasing secure key rates in entanglement-based cryptography exploiting multiple degrees of freedom. We experimentally exemplify this scheme through spatial and wavelength multiplexing. Scalability of our approach is demonstrated.

Quantum Information and Measurement (QIM)•Jan 1, 2021•0 citations