**Dr Thomas Symul is a past member of RSPE. Contact details and information may no longer be correct.**# Dr Thomas Symul

Position | Fellow |
---|---|

Department | Department of Quantum Science Physics Education Centre |

Office phone | (02) 612 59885 |

Office | Physics 1 13 |

## Publications

### Book chapter

Symul T, Bowen W, Lance A, Lam P, Tyc T, Sanders B

Imperial College Press, London UK (2007) 285-303

*Quantum Information with Continuous Variables of Atoms and Light***Quantum Information with Continuous Variables of Atoms and Light**Imperial College Press, London UK (2007) 285-303

Tyc T, Sanders B, Symul T, Bowen W, Lance A, Lam P

Imperial College Press, London UK (2007) 285-343

*Quantum State Sharing with Continuous Variables***Quantum Information with Continuous Variables of Atoms and Light**Imperial College Press, London UK (2007) 285-343

Weedbrook C, Gu M, Lance A, Symul T, Lam P, Ralph T

NICT Press, Japan (2007) 245-248

*Coherent State distinguishability in continuous variable quantum cryptography***Quantum Communication, Measurement and Computing**NICT Press, Japan (2007) 245-248

Symul T, Lance A, Bowen W, Lam P, Sanderson R, Ralph T

Taylor & Francis Group, Florida,USA (2005) 163-186

*Quantum State Sharing***Quantum Communications and Cryptography**Taylor & Francis Group, Florida,USA (2005) 163-186

Bowen W, Hsu M, Symul T, Lance A, Buchler B, Schnabel R, Treps N, Bachor H, Lam P, Ralph T

World Scientific Publishing Company, Singapore (2004) 315-323

*Photon number diagram for characterizing continuous varibale entanglement***Laser Spectroscopy: proceedings of the XVI international conference**World Scientific Publishing Company, Singapore (2004) 315-323

Symul T, Bowen W, Schnabel R, Treps N, Buchler B, Ralph T, Lance A, Grosse N, Dolinska A, Wu J, Gao J, Fabre C, Bachor H, Lam P

SPIE - The International Society for Optical Engineering, WA, USA (2003) 67-77

*Optical squeezing in temporal, polarization and spatial domains***Fluctuations and Noise in Photonics and Quantum Optics**SPIE - The International Society for Optical Engineering, WA, USA (2003) 67-77

(6 publications)

### Journal article

Hosseinidehaj N, Lance A, Symul T, Walk N, Ralph T

*Finite-size effects in continuous-variable quantum key distribution with Gaussian postselection***Physical Review A 101**, 5(2020) 052335-1 - 052335-13
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, 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
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
Brieussel A, Shen Y, Campbell G, Guccione G, Janousek J, Hage B, Buchler B, Treps N, Fabre C, Fang F, Li X, Symul T, Lam P

*Squeezed light from a diamond-turned monolithic cavity***Optics Express 24**, 4(2016) 4042-4056
Brieussel A, Shen Y, Campbell G, Guccione G, Janousek J, Hage B, Buchler B, Treps N, Fabre C, Fang F, Li X, Symul T, Lam P

*Squeezed light from a diamond-turned monolithic cavity***Optics Express 24**, 4(2016) 4042-4056
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
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
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
Bernu J, Armstrong S, Symul T, Ralph T, Lam P

*Theoretical analysis of an ideal noiseless linear amplifier for Einstein-Podolsky-Rosen entanglement distillation***Journal of Physics B: Atomic, Molecular and Optical Physics 47**, 21(2014) 215503
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
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
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
Walk N, Ralph T, Symul T, Lam P

*Security of continuous-variable quantum cryptography with Gaussian postselection***Physical Review A: Atomic, Molecular and Optical Physics 87**, 2(2013) 1-4
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
Stefszky M, Mow-Lowry C, McKenzie K, Chua S, Buchler B, Symul T, McClelland D, Lam P

*An investigation of doubly-resonant optical parametric oscillators and nonlinear crystals for squeezing***Journal of Physics B: Atomic, Molecular and Optical Physics 44**, 1(2011) 015502 9
Sparkes B, Chrzanowski H, Parrain D, Buchler B, Lam P, Symul T

*A scalable, self-analyzing digital locking system for use on quantum optics experiments***Review of Scientific Instruments 82**, 7(2011) 75113-75113
Hage B, Janousek J, Armstrong S, Symul T, Bernu J, Chrzanowski H, Lam P, Bachor H

*Demonstrating various quantum effects with two entangled laser beams***European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 63**, 3(2011) 457-461
Chrzanowski H, Bernu J, Sparkes B, Hage B, Lund A, Ralph T, Lam P, Symul T

*Photon-number discrimination without a photon counter and its application to reconstructing non-Gaussian states***Physical Review A: Atomic, Molecular and Optical Physics 84**, 5(2011) 4
Weedbrook C, Alton D, Symul T, Lam P, Ralph T

*Distinguishability of Gaussian states in quantum cryptography using postselection***Physical Review A: Atomic, Molecular and Optical Physics 79**, 062311(2009) 062311-1 - 062311-11
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
Grosse N, Symul T, Lam P, Weedbrook C, Ralph T

*Quantum cloning of continuous-variable entangled states***Physical Review A: Atomic, Molecular and Optical Physics 77**, 052313(2008) 12
Ralph T, Huntington E, Symul T

*Single-photon side bands***Physical Review A: Atomic, Molecular and Optical Physics 77**, 6(2008) 063817-1/7
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
Weedbrook C, Lance A, Bowen W, Symul T, Ralph T, Lam P

*Coherent-state quantum key distribution without random basis switching***Physical Review A: Atomic, Molecular and Optical Physics 73**(2006) 022316/1-9
Lance A, Jeong H, Grosse N, Symul T, Ralph T, Lam P

*Quantum-state engineering with continuous-variable postselection***Physical Review A: Atomic, Molecular and Optical Physics 73**(2006) 041801/1-4
Jeong H, Lance A, Grosse N, Symul T, Lam P, Ralph T

*Conditional quantum-state engineering using ancillary squeezed-vaccum states***Physical Review A: Atomic, Molecular and Optical Physics 74**(2006) 033813/1-10
Lance A, Symul T, Bowen W, Sanders B, Tyc T, Ralph T, Lam P

*Continuous-variable quantum-state sharing via quantum disentanglement***Physical Review A: Atomic, Molecular and Optical Physics 71**(2005) 033814/1-11
Lance A, Symul T, Sharma V, Weedbrook C, Ralph T, Lam P

*No-Switching Quantum Key Distribution Using Broadband Modulated Coherent Light***Physical Review Letters 95**(2005) 180503/1-4
Lance A, Symul T, Bowen W, Sanderson R, Lam P

*Tripartite quantum state sharing***Physical Review Letters 92**, 17(2004) 177903-1 to 177903-4
Weedbrook C, Lance A, Bowen W, Symul T, Ralph T, Lam P

*Quantum cryptography without switching***Physical Review Letters 93**, 17(2004) 170504-1 to 170504-4
Bowen W, Treps N, Buchler B, Schnabel R, Ralph T, Bachor H, Symul T, Lam P

*Experimental investigation of continous-variable quantum teleportation***Physical Review A: Atomic, Molecular and Optical Physics 67**, 032302(2003) 032302-1 - 032304
Bowen W, Treps N, Buchler B, Schnabel R, Ralph T, Symul T, Lam P

*Unity gain and nonunity gain quantum teleportation***IEEE Journal on Selected Topics in Quantum Electronics 9**, 6 (November/December 2003)(2003) 1519-1532
Lance A, Symul T, Bowen W, Tyc T, Sanders B, Lam P

*Continuous variable (2,3) threshold quantum secret sharing schemes***New Journal of Physics 5**, 4 (January 2003)(2003) 1.1 - 1.12
Bencheikh K, Symul T, Jankovic A, Levenson J

*Quantum key distribution with continuous variables***Journal of Modern Optics 48**, 13(2001) 1903-1920
Symul T

*All-optical travelling wave modulation inverter***Electronics Letters 36**, 16(2000) 1406-1408
Symul T

*Intensity-dependent parametric amplification for traveling-wave signal processing***Optics Letters 25**, 21(2000) 1585-1587(40 publications)

### Conference paper

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
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
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)
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)
Ralph T, Walk N, Symul T, Lam P

*Continuous-variable QKD with Post-selection is Secure***2013 IEEE Photonics Society Summer Topical Meeting Series, PSSTMS 2013 ?**, ?(2013) 165
Symul T, Assad S, Lam P

*Fast real-time random numbers from vacuum fluctuations***Conference on Lasers and Electro-Optics-Int Quantum Electronics Conference CLEO_Europe_IQEC 2013 ?**, ?(2013) 1
Walk N, Symul T, Lam P, Ralph T

*Unconditional security of Gaussian post-selected continuous variable quantum key distribution***Conference on Lasers and Electro-Optics-Int Quantum Electronics Conference CLEO_Europe_IQEC 2013 ?**, ?(2013)
Symul T, Lam P

*Continuous variable quantum key distribution: Security, repeaters and relativity***International Conference on Quantum Information, ICQI 2011 ?**, ?(2011)
Walk N, Ralph T, Symul T, Lam P

*Security of post-selection based continuous variable quantum key distribution against arbitrary attacks***Conference on Lasers and Electro-Optics (CLEO 2011) ?**, ?(2011)
Assad S, Chrzanowski H, Symul T, Lam P, Ralph T, Gu M, Vedral V

*A functional interpretation of continuous variable quantum discord***2011 International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011 ?**, ?(2011) 1200-1202
Hage B, Janousek J, Armstrong S, Symul T, Bernu J, Chrzanowski H, Lam P, Bachor H

*Demonstrating hybrid quantum effects with two entangled laser beams***European Quantum Electronics Conference (CLEO-EUROPE_EQEC 2011) ?**, ?(2011)
Chrzanowski H, Symul T, Bernu J, Hage B, Lund A, Ralph T, Lam P

*Schrodinger kitten and cat states characterisation using only continuous variables and Gaussian resources***European Quantum Electronics Conference (CLEO-EUROPE_EQEC 2011) ?**, ?(2011) 1
Chrzanowski H, Bernu J, Sparkes B, Hage B, Lund A, Ralph T, Lam P, Symul T

*Photon number discrimination without a photon counter and reconstructing non-Gaussian states of light***2011 International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011 ?**, ?(2011) 1754-1755
Symul T, Lam P

*Coherent state quantum key distribution with continuous-wave laser beams***2010 Conference on Optical Fiber Communication, Collocated National Fiber Optic Engineers Conference, OFC/NFOEC 2010 ?**, ?(2010)
Sharma V, Lance A, Symul T, Weedbrook C, Ralph T, Lam P

*A complete quantum cryptographic system using acontinuous wave laser***SPIE Microelectronics, MEMS and Nanotechnology Conference 2005 6038**(2006) 603803-1-10
Lance A, Symul T, Bowen W, Sanderson R, Lam P

*Quantum state sharing***Fluctuations and Noise in Phontonics and Quantum Optics Conference 2004 5468**(2004) 100-109
Lance A, Symul T, Bowen W, Tyc T, Sanderson R, Lam P

*Is quantum secret sharing different to sharing of a quantum secret?***Quantum Communications and Quantum Imaging Conference 2003 ?**, ?(2004) 127-133(19 publications)

### Conference written presentation

(1 publications)

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