# Dr Syed Assad

Department | Department of Quantum Science |
---|---|

Office phone | (02) 612 57994 |

Office | Physics 1 77 |

## arXiv pre-prints

Chrzanowski H, Assad S, Bernu J, Hage B, Lund A, Ralph T, Lam P, Symul T

arXiv:2107.12118v2

*Reconstruction of photon number conditioned states using phase randomized homodyne measurements***Journal of Physics B: Atomic, Molecular and Optical Physics 46**(2013) 104009 (10)arXiv:2107.12118v2

LorcÃ¡n Conlon, Jun Suzuki, Ping Koy Lam, Syed M. Assad

arXiv:2008.02612v2

*Efficient computation of the Nagaoka--Hayashi bound for multi-parameter estimation with separable measurements*arXiv:2008.02612v2

Mark Bradshaw, Lorcan O. Conlon, Spyros Tserkis, Mile Gu, Ping Koy Lam, Syed M. Assad

arXiv:2010.09156v2

*Optimal probes for continuous variable quantum illumination*arXiv:2010.09156v2

Varun Narasimhachar, Syed Assad, Felix C. Binder, Jayne Thompson, Benjamin Yadin, Mile Gu

arXiv:1909.07364v2

*Thermodynamic resources in continuous-variable quantum systems*arXiv:1909.07364v2

Ralph T, Lam P, Assad S

arXiv:2004.13948v4

*Maximum entanglement of formation for a two-mode Gaussian state over passive operations***Physical Review A 102**(2020)arXiv:2004.13948v4

Assad S, Gu M, Li X, Lam P

arXiv:2004.03105v2

*Decoupling Cross-Quadrature Correlations using Passive Operations***Physical Review A 102**(2020) 1-4arXiv:2004.03105v2

Syed M. Assad, Jiamin Li, Yuhong Liu, Ningbo Zhao, Wen Zhao, Ping Koy Lam, Z. Y. Ou, Xiaoying Li

arXiv:2003.07095v2

*Accessible precisions for estimating two conjugate parameters using Gaussian probes*arXiv:2003.07095v2

Truong N, Haw J, Assad S, Lam P, Kavehei O

arXiv:1905.02342v2

*Machine Learning Cryptanalysis of a Quantum Random Number Generator***IEEE Transactions on Information Forensics and Security 14**(2019) 403-414arXiv:1905.02342v2

Michel T, Haw J, Marangoni D, Thearle O, Vallone G, Villoresi P, Lam P, Assad S

arXiv:1903.01071v1

*Real-Time Source Independent Quantum Random Number Generator with Squeezed States***Physical Review Applied 12**(2019)arXiv:1903.01071v1

Bradshaw M, Lam P, Assad S

arXiv:1811.08066v1

*Gaussian multipartite quantum discord from classical mutual information***Journal of Physics B: Atomic, Molecular and Optical Physics 52**(2019) 1-10arXiv:1811.08066v1

Bradshaw M, Assad S, Haw J, Tan S, Lam P, Gu M

arXiv:1611.10020v2

*Overarching framework between Gaussian quantum discord and Gaussian quantum illumination***Physical Review A: Atomic, Molecular and Optical Physics 95**(2017) 1-10pparXiv:1611.10020v2

Assad S, Bradshaw M, Lam P

arXiv:1608.01777v2

*Phase Estimation of Coherent States with a Noiseless Linear Amplifier***International Journal of Quantum Information 15**(2017) 1-10pp.arXiv:1608.01777v2

Assad S, Thearle O, Lam P

arXiv:1607.00471v1

*Maximizing device-independent randomness from a Bell experiment by optimizing the measurement settings***Physical Review A: Atomic, Molecular and Optical Physics 94**(2016) 1-6arXiv:1607.00471v1

Thearle O, Assad S, Symul T

arXiv:1508.04859v2

*Estimation of Output Channel Noise for Continuous Variable Quantum Key Distribution***Physical Review A - Atomic, Molecular, and Optical Physics 93**(2016) 1-6pparXiv:1508.04859v2

Haw J, Assad S, Lance A, Ng N, Sharma V, Lam P, Symul T

arXiv:1411.4512v2

*Maximization of Extractable Randomness in a Quantum Random-Number Generator***Physical Review Applied 3**(2015) 1-12pparXiv:1411.4512v2

Symul T, Assad S, Lam P

arXiv:1107.4438v1

*Real time demonstration of high bitrate quantum random number generation with coherent laser light***Applied Physics Letters 98**(2011) 3arXiv:1107.4438v1

## Publications

### Journal article

Assad S, Gu M, Li X, Lam P

*Decoupling cross-quadrature correlations using passive operations [IN PRESS]***Physical Review A 102**, Online(2020) 1-4
Zhao J, Liu K, Jeng H, Gu M, Thompson J, Lam P, Assad S

*A high-fidelity heralded quantum squeezing gate [IN PRESS]***Nature Photonics**(2020)
Ralph T, Lam P, Assad S

*Maximum entanglement of formation for a two-mode Gaussian state over passive operations***Physical Review A 102**, 5(2020)
Jeng H, Tserkis S, Haw J, Chrzanowski H, Janousek J, Ralph T, Assad S, Lam P

*Entanglement properties of a measurement-based entanglement distillation experiment***Physical Review A 99**, 4(2019) 042304: 1-11
Truong N, Haw J, Assad S, Lam P, Kavehei O

*Machine Learning Cryptanalysis of a Quantum Random Number Generator***IEEE Transactions on Information Forensics and Security 14**, 2(2019) 403-414
Zhang G, Haw J, Cai H, Xu F, Assad S, Fitzsimons J, Zhou X, Zhang Y, Yu S, Wu J, Ser W, Kwek L

*An integrated silicon photonic chip platform for continuous-variable quantum key distribution***Nature Photonics 13**, 12(2019) 839-842
Bradshaw M, Lam P, Assad S

*Gaussian multipartite quantum discord from classical mutual information***Journal of Physics B: Atomic, Molecular and Optical Physics 52**, 24(2019) 1-10
Michel T, Haw J, Marangoni D, Thearle O, Vallone G, Villoresi P, Lam P, Assad S

*Real-Time Source-Independent Quantum Random-Number Generator with Squeezed States***Physical Review Applied 12**, 3(2019)
Bradshaw M, Lam P, Assad S

*Ultimate precision of joint quadrature parameter estimation with a Gaussian probe***Physical Review A: Atomic, Molecular and Optical Physics 97**, 1(2018) 11
Li J, Liu Y, Cui L, Huo N, Assad S, Li X, Ou Z

*Joint measurement of multiple noncommuting parameters***Physical Review A 97**, 5(2018) 1-11
Liu Y, Li J, Cui L, Huo N, Assad S, Li X, Ou Z

*Loss-tolerant quantum dense metrology with SU(1,1) interferometer***Optics Express 26**, 21(2018) 27705-27715
Thearle O, Janousek J, Armstrong S, Hosseini S, Schünemann M, Assad S, Symul T, James M, Huntington E, Ralph T, Lam P

*Violation of Bell's Inequality Using Continuous Variable Measurements***Physical Review Letters 120**, 4(2018) 1-5
Zhao J, Haw J, Symul T, Lam P, Assad S

*Characterization of a measurement-based noiseless linear amplifier and its applications***Physical Review A - Atomic, Molecular, and Optical Physics 96**, 1(2017) 012319, 1-12
Bradshaw M, Assad S, Lam P

*A tight Cram?r?Rao bound for joint parameter estimation with a pure two-mode squeezed probe***Physics Letters A 381**, 32(2017) 2598-2607
Zhao J, Dias J, Haw J, Symul T, Bradshaw M, Blandino R, Ralph T, Assad S, Lam P

*Quantum enhancement of signal-to-noise ratio with a heralded linear amplifier***Optica 4**, 11(2017) 1421-1428
Bradshaw M, Assad S, Haw J, Tan S, Lam P, Gu M

*Overarching framework between Gaussian quantum discord and Gaussian quantum illumination***Physical Review A: Atomic, Molecular and Optical Physics 95**, 2(2017) 1-10
Assad S, Bradshaw M, Lam P

*Phase estimation of coherent states with a noiseless linear amplifier***International Journal of Quantum Information 15**, 1(2017) 1-10.
Assad S, Thearle O, Lam P

*Maximizing device-independent randomness from a Bell experiment by optimizing the measurement settings***Physical Review A: Atomic, Molecular and Optical Physics 94**, 1(2016) 1-6
Haw J, Zhao J, Dias J, Assad S, Bradshaw M, Blandino R, Symul T, Ralph T, Lam P

*Surpassing the no-cloning limit with a heralded hybrid linear amplifier for coherent states***Nature Communications 7**(2016) 13222-13222
Thearle O, Assad S, Symul T

*Estimation of output-channel noise for continuous-variable quantum key distribution***Physical Review A - Atomic, Molecular, and Optical Physics 93**, 4(2016) 1-6
Walk N, Hosseini S, Geng J, Thearle O, Haw J, Armstrong S, Assad S, Janousek J, Ralph T, Symul T, Wiseman H, Lam P

*Experimental demonstration of Gaussian protocols for one-sided device-independent quantum key distribution***Optica 3**, 6(2016) 634-642
Yuan X, Assad S, Thompson J, Haw J, Vedral V, Ralph T, Lam P, Weedbrook C, Gu M

*Replicating the benefits of Deutschian closed timelike curves without breaking causality***NPJ Quantum Information 1**(2015) 15007 5
Haw J, Assad S, Lance A, Ng N, Sharma V, Lam P, Symul T

*Maximization of extractable randomness in a quantum random-number generator***Physical Review Applied 3**, 5(2015) 1-12
Shen Y, Assad S, Grosse N, Li X, Reid M, Lam P

*Nonlinear Entanglement and its Application to Generating Cat States***Physical Review Letters 114**, 10(2015) 1-5
Haw J, Assad S, Lance A, Ng N, Sharma V, Lam P, Symul T

*Maximization of extractable randomness in a quantum random-number generator***Physical Review Applied 3**, 5(2015) 1-12
Chrzanowski H, Walk N, Assad S, Janousek J, Hosseini S, Ralph T, Symul T, Lam P

*Measurement-based noiseless linear amplification for quantum communication***Nature Photonics 8**, 4(2014) 333-338
Geng J, Campbell G, Bernu J, Higginbottom D, Sparkes B, Assad S, Zhang W, Robins N, Lam P, Buchler B

*Electromagnetically induced transparency and four-wave mixing in a cold atomic ensemble with large optical depth***New Journal of Physics 16**(2014) 113053/1-11
Hosseini S, Rahimi-Keshari S, Haw J, Assad S, Chrzanowski H, Janousek J, Symul T, Ralph T, Lam P

*Experimental verification of quantum discord in continuous-variable states***Journal of Physics B: Atomic, Molecular and Optical Physics 47**, 2(2014) 1-8
Assad S, Kalev A

*Encoding secret information in measurement settings***International Journal of Quantum Information 12**, 3(2014)
Chrzanowski H, Assad S, Bernu J, Hage B, Lund A, Ralph T, Lam P, Symul T

*Reconstruction of photon number conditioned states using phase randomized homodyne measurements***Journal of Physics B: Atomic, Molecular and Optical Physics 46**, 10(2013) 104009 10
Gu M, Chrzanowski H, Assad S, Symul T, Modi K, Ralph T, Vedral V, Lam P

*Observing the operational significance of discord consumption***Nature Physics 8**, 9(2012) 671-675
Symul T, Assad S, Lam P

*Real time demonstration of high bitrate quantum random number generation with coherent laser light***Applied Physics Letters 98**, 23(2011) 3
Grosse N, Mehmet M, Assad S, Schnabel R, Symul T, Lam P

*Observation of Entanglement between Two Light Beams Spanning an Octave in Optical Frequency***Physical Review Letters 100**, 243601 (2008)(2008) 4
Symul T, Alton D, Assad S, Lance A, Weedbrook C, Ralph T, Lam P

*Experimental demonstration of post-selection-based continuous-variable quantum key distribution in the presence of Gaussian noise***Physical Review A: Atomic, Molecular and Optical Physics 76**(2007) 030303/1-4
Assad S

*Dynamical features of deoxyribonucleic acid and configuration transition in the transcription process***Journal of Physics: Condensed Matter 18**, 39(2006) 9007-9030
Assad S

*Statistical equilibrium distributions of baroclinic vortices in a rotating two-layer model at low Froude numbers***Geophysical and Astrophysical Fluid Dynamics 100**, 6(2006) 503-524
Assad S

*Raw-data attacks in Quantum cryptography with partial tomography***International Journal of Quantum Information 4**, 6(2006) 1003-1012
Assad S

*Statistical equilibrium of the coulomb/vortex gas on the unbounded 2-dimensional plane***Discrete and Continuous Dynamical Systems - Series B 5**, 1(2005) 1-14
Assad S

*Self containment radius for rotating planar flows, single-signed vortex gas and electron plasma***Regular and Chaotic Dynamics 10**, 3(2005) 239-255
Assad S

*Monte-Carlo and polyhedron-based simulations I: Extremal states of the logarithmic n-body problem on a sphere***Discrete and Continuous Dynamical Systems - Series B 3**, 3(2003) 313-342
Assad S

*A Monte Carlo algorithm for free and coaxial ring extremal states of the vortex N -body problem on a sphere***Physica A: Statistical mechanics and its applications 328**, 1-2(2003) 53-96(41 publications)

### Conference paper

Liu Y, Li J, Li X, Ou Z, Assad S

*Quantum metrology in the joint measurement of multiple parameters encoded in non-commuting observables with SU(1,1) interferometer***Frontiers in Optics, FiO 2017 ?**, ?(2017)
Chrzanowski H, Gu M, Assad S, Symul T, Modi K, Ralph T, Vedral V, Lam P

*Discord as a quantum resource for bi-partite communication***11th International Conference on Quantum Communication, Measurement and Computation, QCMC 2012 ?**, ?(2014) 116-118
Chrzanowski H, Walk N, Haw J, Thearle O, Assad S, Janousek J, Hosseini S, Ralph T, Symul T, Lam P

*Measurement-based noiseless linear amplification for quantum communication***Quantum and Nonlinear Optics III ?**, ?(2014)
Hosseini S, Rahimi-Keshari S, Haw J, Assad S, Chrzanowski H, Janousek J, Symul T, Lam P, Ralph T, Gu M, Modi K, Vedral V

*Experimental verification of quantum discord in continuousvariable states and operational significance of discord consumption***OSA CLEO: QELS_Fundamental Science, CLEO_QELS 2014 ?**, ?(2014) 2
Gu M, Chrzanowski H, Assad S, Symul T, Modi K, Ralph T, Vedral V, Lam P

*Discord as a Consumable Resource***10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013 ?**, ?(2013) 1-4
Janousek J, Chrzanowski H, Hosseini S, Assad S, Symul T, Walk N, Ralph T, Lam P

*Virtual Noiseless Amplification***Conference on Lasers and Electro-Optics-Int Quantum Electronics Conference CLEO_Europe_IQEC 2013 ?**, ?(2013) 1
Lam P, Hosseini M, Campbell G, Pinel O, Sparkes B, Twamley J, Rebic S, Chrzanowski H, Assad S, Bernu J, Ralph T, Walk N, Symul T, Buchler B

*Building a quantum repeater with quantum memories and noiseless amplifiers***10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013 ?**, ?(2013)(9 publications)

### Conference written presentation

(1 publications)

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