43 citations · 167 across the 15 of their papers we have counts for
17 papers
RAMP: Toward Ubiquitous Quantum-Safe Key Distribution as a Service
Jiafan Wang, Sebastian Kish, Dongxi Liu
Quantum key distribution (QKD) offers a security foundation independent of computational hardness assumptions. However, its reliance on specialized hardware limits access by ordina…
Quantum Error-Corrected Memories Keep Proper Time
Sebastian P. Kish, Simon J. Devitt
What does quantum error correction do to relativistic proper time? We show that when two error-corrected quantum memories follow distinct worldlines and are controlled by local ref…
Quantum Key Distribution
Sebastian Kish, Josef Pieprzyk, Seyit Camtepe
Quantum Key Distribution (QKD) is a technology that ensures secure communication by leveraging the principles of quantum mechanics, such as the no-cloning theorem and quantum uncer…
Enhanced continuous-variable quantum key distribution protocol via adaptive signal processing
Ozlem Erkilic, Biveen Shajilal, Lorcan O. Conlon +7
Quantum key distribution (QKD) provides a promising approach to secure communications, with continuous-variable QKD (CV-QKD) offering compatibility with existing telecommunication…
Dynamic Continuous Variable Quantum Key Distribution for Securing a Future Global Quantum Network
Mikhael T. Sayat, Sebastian P. Kish, Ping Koy Lam +2
Continuous variable quantum key distribution (CVQKD) is a developing method to secure information exchange in future quantum networks. With the recent developments in quantum techn…
Capacity-Achieving Entanglement Purification Protocol for Pauli Dephasing Channel
Ozlem Erkilic, Matthew S. Winnel, Aritra Das +4
Quantum communication enables secure information transmission and entanglement distribution, but these tasks are fundamentally limited by the capacities of quantum channels. While…
Mitigation of Channel Tampering Attacks in Continuous-Variable Quantum Key Distribution
Sebastian P. Kish, Chandra Thapa, Mikhael Sayat +3
Despite significant advancements in continuous-variable quantum key distribution (CV-QKD), practical CV-QKD systems can be compromised by various attacks. Consequently, identifying…
Mapping Guaranteed Positive Secret Key Rates for Continuous Variable Quantum Key Distribution
Mikhael Sayat, Oliver Thearle, Biveen Shajilal +4
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 ar…
Surpassing the repeaterless bound with a photon-number encoded measurement-device-independent quantum key distribution protocol
Ozlem Erkilic, Lorcan Conlon, Biveen Shajilal +5
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 betwee…
Satellite-to-Ground Continuous Variable Quantum Key Distribution: The Gaussian and Discrete Modulated Protocols in Low Earth Orbit
Mikhael Sayat, Biveen Shajilal, Sebastian P. Kish +5
The Gaussian modulated continuous variable quantum key distribution (GM-CVQKD) protocol is known to maximise the mutual information between two parties during quantum key distribut…
Comparison of Discrete Variable and Continuous Variable Quantum Key Distribution Protocols with Phase Noise in the Thermal-Loss Channel
Sebastian P. Kish, Patrick J. Gleeson, Angus Walsh +2
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 ot…
Quantum effects in rotating reference frames
Sebastian P. Kish, Timothy C. Ralph
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 diffe…
Use of a Local Local Oscillator for the Satellite-to-Earth Channel
Sebastian Kish, Eduardo Villaseñor, Robert Malaney +2
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 re…
Feasibility Assessment For Practical Continuous Variable Quantum Key Distribution Over The Satellite-to-Earth Channel
Sebastian Kish, Eduardo Villaseñor, Robert Malaney +2
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…
Quantum Metrology in the Kerr Metric
Sebastian P. Kish, Timothy C. Ralph
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…
Quantum limited measurement of space-time curvature with scaling beyond the conventional Heisenberg limit
Sebastian P. Kish, Timothy C. Ralph
We study the problem of estimating the phase shift due to the general relativistic time dilation in the interference of photons using a non-linear Mach-Zender interferometer setup.…
Estimating space-time parameters with a quantum probe in a lossy environment
Sebastian P. Kish, Timothy C. Ralph
We study the problem of estimating the Schwarzschild radius of a massive body using Gaussian quantum probe states. Previous calculations assumed that the probe state remained pure…