37 citations · 90 across the 19 of their papers we have counts for
20 papers
Quantum advantage in learning single mode bosonic channels
Angela Anna Baiju, Aritra Das, Özlem Erkılıç +7
Quantum resources can dramatically reduce the data required to learn physical systems, with exponential improvements in sample complexity demonstrated in several quantum learning t…
Years of Quantum Uncertainty: From Origins to Modern Insights
Lorcan O. Conlon, Biveen Shajilal, Jie Zhao +6
Heisenberg's uncertainty principle is a cornerstone of quantum mechanics, marking a decisive departure from classical physics. Conceived almost a century ago through a thought expe…
A unified optical platform for non-Gaussian and fault-tolerant Gottesman-Kitaev-Preskill states
Ozlem Erkilic, Aritra Das, Biveen Shajilal +3
Quantum technologies, encompassing communication, computation, and metrology, rely on the generation and control of non-Gaussian states of light. These states enable secure quantum…
Utility of noiseless linear amplification and attenuation in single-rail discrete-variable quantum communications
Ozlem Erkilic, Aritra Das, Angela A. Baiju +3
Quantum communication offers many applications, with teleportation and superdense coding being two of the most fundamental. In these protocols, pre-shared entanglement enables eith…
All-Gaussian State Discrimination Beyond the Coherent Helstrom Bound
Angus Walsh, Lorcan Conlon, Biveen Shajilal +5
A core problem in communications is the optimal discrimination of binary-phase-shift-keyed (BPSK) signals. A longstanding goal has been to reach the fundamental quantum limit, know…
Software-enhanced simultaneous quantum-classical communication protocol with Gaussian post-selection
Ozlem Erkilic, Biveen Shajilal, Nicholas Zaunders +1
Simultaneous quantum-classical communication (SQCC) protocols offer a practical approach to continuous-variable quantum key distribution (CV-QKD) by encoding quantum and classical…
Gaussian Atemporality: When Gaussian Quantum Correlations Imply Common Cause
Minjeong Song, Jayne Thompson, Matthew S. Winnel +4
Conventionally, covariances do not distinguish between spatial and temporal correlations. The same covariance matrix could equally describe temporal correlations between observatio…
Squeezed Light Generation in Periodically Poled Thin-Film Lithium Niobate Waveguides
Xiaodong Shi, Angela Anna Baiju, Xu Chen +12
Squeezed states of light play a key role in quantum-enhanced sensing and continuous-variable quantum information processing. Realizing integrated squeezed light sources is crucial…
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…
Spin Correlations in Recirculating Multipass Alkali Cells for Advancing Quantum Magnetometry
Qian Ling Kee, Lingyi Zhao, Ruvi Lecamwasam +6
Multipass cells enable long optical path lengths in compact volumes and are central to quantum technologies such as atomic magnetometers and optical quantum memories. In optical ma…
Improving Gaussian channel simulation using non-unity gain heralded quantum teleportation
Biveen Shajilal, Lorcán O. Conlon, Angus Walsh +5
Gaussian channel simulation is an essential paradigm in understanding the evolution of bosonic quantum states. It allows us to investigate how such states are influenced by the env…
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…
Verifying the security of a continuous variable quantum communication protocol via quantum metrology
Lorcan O. Conlon, Biveen Shajilal, Angus Walsh +4
Quantum mechanics offers the possibility of unconditionally secure communication between multiple remote parties. Security proofs for such protocols typically rely on bounding the…
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…
12.6 dB squeezed light at 1550 nm from a bow-tie cavity for long-term high duty cycle operation
Biveen Shajilal, Oliver Thearle, Aaron Tranter +5
Squeezed states are an interesting class of quantum states that have numerous applications. This work presents the design, characterisation, and operation of a bow-tie optical para…
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…
Entropic Accord: A new measure in the quantum correlation hierarchy
Biveen Shajilal, Elanor Huntington, Ping Koy Lam +1
Quantum correlation often refers to correlations exhibited by two or more local subsystems under a suitable measurement. These correlations are beyond the framework of classical st…
Non-Gaussian mechanical motion via single and multi-phonon subtraction from a thermal state
Georg Enzian, Lars Freisem, John J. Price +7
Quantum optical measurement techniques offer a rich avenue for quantum control of mechanical oscillators via cavity optomechanics. In particular, a powerful yet little explored com…
Observing sub-Poissonian statistics of twisted single photons using oscilloscope
Nijil Lal, Biveen Shajilal, Ali Anwar +2
Heralded single photon sources (HSPS) from spontaneous parametric down-conversion are widely used as single photon sources. We study the photon number statistics of an HSPS carryin…