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pro vyhledávání: '"Kish, Sebastian P."'
Autor:
Kish, Sebastian P., Thapa, Chandra, Sayat, Mikhael, Suzuki, Hajime, Pieprzyk, Josef, Camtepe, Seyit
Publikováno v:
Phys. Rev. Research 6, 023301 (2024)
Despite significant advancements in continuous-variable quantum key distribution (CV-QKD), practical CV-QKD systems can be compromised by various attacks. Consequently, identifying new attack vectors and countermeasures for CV-QKD implementations is
Externí odkaz:
http://arxiv.org/abs/2401.15898
Autor:
Sayat, Mikhael, Thearle, Oliver, Shajilal, Biveen, Kish, Sebastian P., Lam, Ping Koy, Rattenbury, Nicholas, Cater, John
Continuous variable quantum key distribution (CVQKD) is the sharing of secret keys between different parties using the continuous amplitude and phase quadratures of light. There are many protocols in which different modulation schemes are used to imp
Externí odkaz:
http://arxiv.org/abs/2310.17324
Autor:
Sayat, Mikhael, Shajilal, Biveen, Kish, Sebastian P., Assad, Syed M., Symul, Thomas, Lam, Ping Koy, Rattenbury, Nicholas, Cater, John
The Gaussian modulated continuous variable quantum key distribution (GM-CVQKD) protocol is known to maximise the mutual information between two parties during quantum key distribution (QKD). An alternative modulation scheme is the discrete modulated
Externí odkaz:
http://arxiv.org/abs/2211.16862
Autor:
Erkilic, Ozlem, Conlon, Lorcan, Shajilal, Biveen, Kish, Sebastian, Tserkis, Spyros, Kim, Yong-Su, Lam, Ping Koy, Assad, Syed M.
Decoherence is detrimental to quantum key distribution (QKD) over large distances. One of the proposed solutions is to use quantum repeaters, which divide the total distance between the users into smaller segments to minimise the effects of the losse
Externí odkaz:
http://arxiv.org/abs/2211.03445
Publikováno v:
Quantum 8, 1382 (2024)
Discrete-variable (DV) quantum key distribution (QKD) based on single-photon detectors and sources have been successfully deployed for long-range secure key distribution. On the other hand, continuous-variable (CV) quantum key distribution (QKD) base
Externí odkaz:
http://arxiv.org/abs/2206.13724
Autor:
Kish, Sebastian P., Ralph, Timothy C.
Publikováno v:
AVS Quantum Science 4 (1), 011401 (2022)
We consider the time delay of interfering single photons oppositely traveling in the Kerr metric of a rotating massive object. Classically, the time delay shows up as a phase difference between coherent sources of light. In quantum mechanics, the los
Externí odkaz:
http://arxiv.org/abs/2202.05381
Continuous variable quantum key distribution (CV-QKD) offers information-theoretic secure key sharing between two parties. The sharing of a phase reference frame is an essential requirement for coherent detection in CV-QKD. Due to the potential attac
Externí odkaz:
http://arxiv.org/abs/2010.09399
Currently, quantum key distribution (QKD) using continuous variable (CV) technology has only been demonstrated over short-range terrestrial links. Here we attempt to answer whether CV-QKD over the much longer satellite-to-Earth channel is feasible. T
Externí odkaz:
http://arxiv.org/abs/2005.10468
Akademický článek
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Autor:
Kish, Sebastian P., Ralph, Timothy C.
Publikováno v:
Phys. Rev. D 99, 124015 (2019)
A surprising feature of the Kerr metric is the anisotropy of the speed of light. The angular momentum of a rotating massive object causes co- and counter-propagating light paths to move at faster and slower velocities, respectively as determined by a
Externí odkaz:
http://arxiv.org/abs/1810.13119