266 citations · 940 across the 21 of their papers we have counts for
22 papers
Single-Satellite Quantum Repeater Performance Analysis
Cameron Paterson, Jasminder S. Sidhu, Thomas Brougham +2
Space-based entanglement distribution has the potential to extend the range of quantum communication beyond that achievable through optical fibres that are constrained by exponenti…
Operational limits to entanglement-based satellite quantum key distribution
Jasminder S. Sidhu, Sarah E. McCarthy, Cameron Paterson +1
Space-based distribution of quantum entanglement will be essential for global quantum networking and secure communications. Modelling and analysis of the performance of satellite e…
Satellites promise global-scale quantum networks
Sumit Goswami, Sayandip Dhara, Neil Sinclair +10
Academia, governments, and industry around the world are on a quest to build long-distance quantum communication networks for a future quantum internet. Using air and fiber channel…
Attainability of quantum state discrimination bounds with collective measurements on finite copies
Lorcan Conlon, Jin Ming Koh, Biveen Shajilal +3
One of the fundamental tenets of quantum mechanics is that non-orthogonal states cannot be distinguished perfectly. When distinguishing multiple copies of a mixed quantum state, a…
Security of hybrid BB84 with heterodyne detection
Jasminder S. Sidhu, Rocco Maggi, Saverio Pascazio +1
Quantum key distribution (QKD) promises everlasting security based on the laws of physics. Most common protocols are grouped into two distinct categories based on the degrees of fr…
Time-delayed single satellite quantum repeater node for global quantum communications
Mustafa Gündoğan, Jasminder S. Sidhu, Markus Krutzik +1
Global-scale quantum networking faces significant technical and scientific obstacles. Quantum repeaters (QRs) have been proposed to overcome the inherent direct transmission range…
Finite key performance of satellite quantum key distribution under practical constraints
Jasminder S. Sidhu, Thomas Brougham, Duncan McArthur +2
Global-scale quantum communication networks will require efficient long-distance distribution of quantum signals. Optical fibre communication channels have range constraints due to…
Responsive Operations for Key Services (ROKS): A Modular, Low SWaP Quantum Communications Payload
Craig D. Colquhoun, Hazel Jeffrey, Steve Greenland +25
Quantum key distribution (QKD) is a theoretically proven future-proof secure encryption method that inherits its security from fundamental physical principles. Craft Prospect, work…
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…
Topical White Paper: A Case for Quantum Memories in Space
Mustafa Gündoğan, Thomas Jennewein, Faezeh Kimiaee Asadi +20
It has recently been theoretically shown that Quantum Memories (QM) could enable truly global quantum networking when deployed in space thereby surpassing the limited range of land…
Simulating quantum repeater strategies for multiple satellites
Julius Wallnöfer, Frederik Hahn, Mustafa Gündoğan +5
A global quantum repeater network involving satellite-based links is likely to have advantages over fiber-based networks in terms of long-distance communication, since the photon l…
Satellite Quantum Modelling & Analysis Software Version 1.1: Documentation
Jasminder S. Sidhu, Thomas Brougham, Duncan McArthur +2
Documentation for version 1.1 of the open-source software SatQuMA: Satellite Quantum Modelling & Analysis.
Linear optics and photodetection achieve near-optimal unambiguous coherent state discrimination
Jasminder S. Sidhu, Michael S. Bullock, Saikat Guha +1
Coherent states of the quantum electromagnetic field, the quantum description of ideal laser light, are prime candidates as information carriers for optical communications. A large…
Quantum Physics in Space
Alessio Belenchia, Matteo Carlesso, Ömer Bayraktar +17
Advances in quantum technologies are giving rise to a revolution in the way fundamental physics questions are explored at the empirical level. At the same time, they are the seeds…
Advances in Space Quantum Communications
Jasminder S. Sidhu, Siddarth K. Joshi, Mustafa Gundogan +15
Concerted efforts are underway to establish an infrastructure for a global quantum internet to realise a spectrum of quantum technologies. This will enable more precise sensors, se…
Finite key effects in satellite quantum key distribution
Jasminder S. Sidhu, Thomas Brougham, Duncan McArthur +2
Global quantum communications will enable long-distance secure data transfer, networked distributed quantum information processing, and other entanglement-enabled technologies. Sat…
Quantum receiver for phase-shift keying at the single photon level
Jasminder S. Sidhu, Shuro Izumi, Jonas S. Neergaard-Nielsen +2
Quantum enhanced receivers are endowed with resources to achieve higher sensitivities than conventional technologies. For application in optical communications, they provide improv…
Space-borne quantum memories for global quantum communication
Mustafa Gündoğan, Jasminder S. Sidhu, Victoria Henderson +4
Global scale quantum communication links will form the backbone of the quantum internet. However, exponential loss in optical fibres precludes any realistic application beyond few…
Tight bounds on the simultaneous estimation of incompatible parameters
Jasminder S. Sidhu, Yingkai Ouyang, Earl T. Campbell +1
The estimation of multiple parameters in quantum metrology is important for a vast array of applications in quantum information processing. However, the unattainability of fundamen…
A Geometric Perspective on Quantum Parameter Estimation
Jasminder S. Sidhu, Pieter Kok
Quantum metrology holds the promise of an early practical application of quantum technologies, in which measurements of physical quantities can be made with much greater precision…
Quantum Fisher information for general spatial deformations of quantum emitters
Jasminder S. Sidhu, Pieter Kok
We present a framework for the detection and estimation of deformations applied to a grid of sources. Our formalism uses the Hamiltonian formulation of the quantum Fisher informati…
Quantum metrology of spatial deformation using arrays of classical and quantum light emitters
Jasminder S. Sidhu, Pieter Kok
We introduce spatial deformations to an array of light sources and study how the estimation precision of the interspacing distance, d, changes with the sources of light used. The q…