641 citations · 2.4k across the 26 of their papers we have counts for
23 papers · 1 filter
Towards a Digital Twin for the Ground to QEYSSat Quantum Link
Henri P. N. Morin, Alex Maierean, Brendon L. Higgins +3
Simulations of physical systems require high-fidelity models to accurately represent reality. Simple models may be analytically tractable, but may not be sufficiently representativ…
Finite resource performance of small satellite-based quantum key distribution missions
Tanvirul Islam, Jasminder S. Sidhu, Brendon L. Higgins +5
In satellite-based quantum key distribution (QKD), the number of secret bits that can be generated in a single satellite pass over the ground station is severely restricted by the…
Robotized polarization characterization platform for free-space quantum communication optics
Youn Seok Lee, Kimia Mohammadi, Lindsay Babcock +3
We develop a polarization characterization platform for optical devices in free-space quantum communications. We demonstrate an imaging polarimeter, which analyzes both incident po…
Enhancing secure key rates of satellite QKD using a quantum dot single-photon source
Poompong Chaiwongkhot, Sara Hosseini, Arash Ahmadi +6
Global quantum secure communication can be achieved using quantum key distribution (QKD) with orbiting satellites. Established techniques use attenuated lasers as weak coherent pul…
Genuine time-bin-encoded quantum key distribution over a turbulent depolarizing free-space channel
Jeongwan Jin, Jean-Philippe Bourgoin, Ramy Tannous +5
Despite its widespread use in fiber optics, encoding quantum information in photonic time-bin states is usually considered impractical for free-space quantum communication as turbu…
Numeric estimation of resource requirements for a practical polarization-frame alignment scheme for QKD
Brendon L. Higgins, Jean-Philippe Bourgoin, Thomas Jennewein
Due to physical orientations and birefringence effects, practical quantum information protocols utilizing optical polarization need to handle misalignment between preparation and m…
Laser annealing heals radiation damage in avalanche photodiodes
Jin Gyu Lim, Elena Anisimova, Brendon L. Higgins +3
Avalanche photodiodes (APDs) are a practical option for space-based quantum communications requiring single-photon detection. However, radiation damage to APDs significantly increa…
Airborne demonstration of a quantum key distribution receiver payload
Christopher J. Pugh, Sarah Kaiser, Jean-Philippe Bourgoin +8
Satellite-based quantum terminals are a feasible way to extend the reach of quantum communication protocols such as quantum key distribution (QKD) to the global scale. To that end,…
Experimental quantum key distribution with simulated ground-to-satellite photon losses and processing limitations
Jean-Philippe Bourgoin, Nikolay Gigov, Brendon L. Higgins +5
Quantum key distribution (QKD) has the potential to improve communications security by offering cryptographic keys whose security relies on the fundamental properties of quantum ph…
Free-space quantum key distribution to a moving receiver
Jean-Philippe Bourgoin, Brendon L. Higgins, Nick Gigov +5
Technological realities limit terrestrial quantum key distribution (QKD) to single-link distances of a few hundred kilometers. One promising avenue for global-scale quantum communi…
Experimental Three-Particle Quantum Nonlocality under Strict Locality Conditions
C. Erven, E. Meyer-Scott, K. Fisher +13
Quantum correlations are critical to our understanding of nature, with far-reaching technological and fundamental impact. These often manifest as violations of Bell's inequalities,…
Generating polarization-entangled photon pairs using cross-spliced birefringent fibers
Evan Meyer-Scott, Vincent Roy, Jean-Philippe Bourgoin +3
We demonstrate a novel polarization-entangled photon-pair source based on standard birefringent polarization-maintaining optical fiber. The source consists of two stretches of fibe…
Novel High-Speed Polarization Source for Decoy-State BB84 Quantum Key Distribution over Free Space and Satellite Links
Zhizhong Yan, Evan Meyer-Scott, Jean-Philippe Bourgoin +5
To implement the BB84 decoy-state quantum key distribution (QKD) protocol over a lossy ground-satellite quantum uplink requires a source that has high repetition rate of short lase…
A comprehensive design and performance analysis of LEO satellite quantum communication
J. -P. Bourgoin, E. Meyer-Scott, B. L. Higgins +9
Optical quantum communication utilizing satellite platforms has the potential to extend the reach of quantum key distribution (QKD) from terrestrial limits of ~200 km to global sca…
Fundamental quantum optics experiments conceivable with satellites -- reaching relativistic distances and velocities
David Rideout, Thomas Jennewein, Giovanni Amelino-Camelia +14
Physical theories are developed to describe phenomena in particular regimes, and generally are valid only within a limited range of scales. For example, general relativity provides…
Using weak values to experimentally determine "negative probabilities" in a two-photon state with Bell correlations
B. L. Higgins, M. S. Palsson, G. Y. Xiang +2
Bipartite quantum entangled systems can exhibit measurement correlations that violate Bell inequalities, revealing the profoundly counter-intuitive nature of the physical universe.…
Multiple-copy state discrimination: Thinking globally, acting locally
B. L. Higgins, A. C. Doherty, S. D. Bartlett +2
We theoretically investigate schemes to discriminate between two nonorthogonal quantum states given multiple copies. We consider a number of state discrimination schemes as applied…
Entanglement-enhanced measurement of a completely unknown phase
G. Y. Xiang, B. L. Higgins, D. W. Berry +2
The high-precision interferometric measurement of an unknown phase is the basis for metrology in many areas of science and technology. Quantum entanglement provides an increase in…
Mixed state discrimination using optimal control
B. L. Higgins, B. M. Booth, A. C. Doherty +3
We present theory and experiment for the task of discriminating two nonorthogonal states, given multiple copies. We implement several local measurement schemes, on both pure states…
How to perform the most accurate possible phase measurements
D. W. Berry, B. L. Higgins, S. D. Bartlett +3
We present the theory of how to achieve phase measurements with the minimum possible variance in ways that are readily implementable with current experimental techniques. Measureme…
Adaptive Measurements in the Optical Quantum Information Laboratory
H. M. Wiseman, D. W. Berry, S. D. Bartlett +2
Adaptive techniques make practical many quantum measurements that would otherwise be beyond current laboratory capabilities. For example: they allow discrimination of nonorthogonal…
Demonstrating Heisenberg-limited unambiguous phase estimation without adaptive measurements
B. L. Higgins, D. W. Berry, S. D. Bartlett +3
We derive, and experimentally demonstrate, an interferometric scheme for unambiguous phase estimation with precision scaling at the Heisenberg limit that does not require adaptive…
Entanglement-free Heisenberg-limited phase estimation
B. L. Higgins, D. W. Berry, S. D. Bartlett +2
Measurement underpins all quantitative science. A key example is the measurement of optical phase, used in length metrology and many other applications. Advances in precision measu…