Dr Austin Lund
Research Fellow
QCCT
+61 7 334 69037
Parnell Building (07), Room 320
Book Chapter
Lund, A. P. and Ralph, T. C. (2025). Boson sampling. Encyclopedia of mathematical physics. (pp. 42-56) edited by Richard Szabo and Martin Bojowald. Amsterdam, Netherlands: Elsevier. doi: 10.1016/B978-0-323-95703-8.00111-7
Journal Articles
Abrahao, Raphael A., Mansouri, Arman and Lund, Austin P. (2024). Boson sampling with Gaussian input states: toward efficient scaling and certification. Physical Review A, 110 (5) 052437. doi: 10.1103/PhysRevA.110.052437
Singh, Deepesh, Lund, Austin P. and Rohde, Peter P. (2024). Optical cluster-state generation with unitary averaging. Physical Review A, 110 (1) 012457. doi: 10.1103/PhysRevA.110.012457
Marshman, Ryan J., Singh, Deepesh, Ralph, Timothy C. and Lund, Austin P. (2024). Unitary averaging with fault and loss tolerance. Physical Review A, 109 (6) 062436. doi: 10.1103/physreva.109.062436
Guanzon, Joshua J., Winnel, Matthew S., Singh, Deepesh, Lund, Austin P. and Ralph, Timothy C. (2024). Saturating the maximum success probability bound for noiseless linear amplification using linear optics. PRX Quantum, 5 (2) 020359. doi: 10.1103/prxquantum.5.020359
Foo, Joshua, Lund, Austin P. and Ralph, Timothy C. (2024). Measurement-based Lorentz-covariant Bohmian trajectories of interacting photons. Physical Review A, 109 (2) 022229. doi: 10.1103/physreva.109.022229
Guanzon, Joshua J., Winnel, Matthew S., Lund, Austin P. and Ralph, Timothy C. (2023). Noiseless linear amplification and loss-tolerant quantum relay using coherent-state superpositions. Physical Review A, 108 (3) 032411, 1-14. doi: 10.1103/physreva.108.032411
Lund, Austin P. (2023). Estimating Fock-state linear optics evolution using coherent states. AVS Quantum Science, 5 (1) 011405, 1-9. doi: 10.1116/5.0136828
Combes, Joshua and Lund, Austin P. (2022). Homodyne measurement with a Schrödinger cat state as a local oscillator. Physical Review A, 106 (6) 063706. doi: 10.1103/physreva.106.063706
Foo, Joshua, Asmodelle, Estelle, Lund, Austin P. and Ralph, Timothy C. (2022). Relativistic Bohmian trajectories of photons via weak measurements. Nature Communications, 13 (1) 4002, 4002. doi: 10.1038/s41467-022-31608-6
Guanzon, Joshua J., Winnel, Matthew S., Lund, Austin P. and Ralph, Timothy C. (2022). Ideal quantum teleamplification up to a selected energy cutoff using linear optics. Physical Review Letters, 128 (16) 160501, 160501. doi: 10.1103/physrevlett.128.160501
Guanzon, Joshua J., Lund, Austin P. and Ralph, Timothy C. (2021). Multimode metrology via scattershot sampling. Physical Review A, 104 (3) 032607. doi: 10.1103/physreva.104.032607
Tserkis, Spyros, Thompson, Jayne, Lund, Austin P., Ralph, Timothy C., Lam, Ping Koy, Gu, Mile and Assad, Syed M. (2020). Maximum entanglement of formation for a two-mode Gaussian state over passive operations. Physical Review A, 102 (5) 052418. doi: 10.1103/PhysRevA.102.052418
Onoe, Sho, Tserkis, Spyros, Lund, Austin P. and Ralph, Timothy C. (2020). Multipartite Gaussian entanglement of formation. Physical Review A, 102 (4) 042408. doi: 10.1103/PhysRevA.102.042408
Guanzon, Joshua J., Lund, Austin P. and Ralph, Timothy C. (2020). Controllable quantum interference from two-photon scattershot sources. Physical Review A, 102 (3) 032606. doi: 10.1103/physreva.102.032606
Vijayan, Madhav Krishnan, Lund, Austin P. and Rohde, Peter P. (2020). A robust W-state encoding for linear quantum optics. Quantum, 4 303, 1-13. doi: 10.22331/q-2020-08-03-303
Shahandeh, Farid, Lund, Austin P. and Ralph, Timothy C. (2019). Quantum correlations and global coherence in distributed quantum computing. Physical Review A, 99 (5) 052303. doi: 10.1103/PhysRevA.99.052303
Lund, Austin P. (2018). Lost photons won’t derail quantum sampling. Physics, 11 57. doi: 10.1103/physics.11.57
Marshman, Ryan J., Lund, Austin P., Rohde, Peter P. and Ralph, Timothy C. (2018). Passive quantum error correction of linear optics networks through error averaging. Physical Review A, 97 (2) 022324, 1-15. doi: 10.1103/PhysRevA.97.022324
Shahandeh, Farid, Lund, Austin P. and Ralph, Timothy C. (2017). Quantum correlations in nonlocal boson sampling. Physical Review Letters, 119 (12) 120502, 120502. doi: 10.1103/PhysRevLett.119.120502
Lund, A. P., Rahimi-Keshari, S. and Ralph, T. C. (2017). Exact boson sampling using Gaussian continuous-variable measurements. Physical Review A, 96 (2) 022301. doi: 10.1103/PhysRevA.96.022301
Lund, A. P., Bremner, Michael J. and Ralph, T. C. (2017). Quantum sampling problems, BosonSampling and quantum supremacy. NPJ Quantum Information, 3 (1) 0018. doi: 10.1038/s41534-017-0018-2
Shahandeh, F., Lund, A. P., Ralph, T. C. and Vanner, M. R. (2016). Arbitrary multi-qubit generation. New Journal of Physics, 18 (10) 103020, 103020. doi: 10.1088/1367-2630/18/10/103020
Liu, Kai, Lund, Austin Peter, Gu, Yong-Jian and Ralph, Timothy Cameron (2016). A certification scheme for the boson sampler. Journal of the Optical Society of America B, 33 (9), 1835-1841. doi: 10.1364/JOSAB.33.001835
Combes, Joshua, Walk, Nathan, Lund, A. P., Ralph, T. C. and Caves, Carlton M. (2016). Models of reduced-noise, probabilistic linear amplifiers. Physical Review A - Atomic, Molecular, and Optical Physics, 93 (5) 052310, 052310.1-052310.12. doi: 10.1103/PhysRevA.93.052310
Blandino, Remi, Walk, Nathan, Lund, Austin P. and Ralph, Timothy C. (2016). Channel purification via continuous-variable quantum teleportation with Gaussian postselection. Physical Review A - Atomic, Molecular, and Optical Physics, 93 (1) 012326. doi: 10.1103/PhysRevA.93.012326
Lund, A. P. (2015). Classes of two-photon states defined by linear interactions and destructive two-photon quantum interference in a single mode. Physical Review A - Atomic, Molecular, and Optical Physics, 92 (5) 053844, 053844.1-053844.6. doi: 10.1103/PhysRevA.92.053844
Rahimi-Keshari, Saleh, Lund, Austin P and Ralph, Timothy C (2015). What can quantum optics say about computational complexity theory?. Physical Review Letters, 114 (6) 060501, 060501. doi: 10.1103/PhysRevLett.114.060501
Lund, A. P., Laing, A., Rahimi-Keshari, S., Rudolph, T., O'Brien, J. L. and Ralph, T. C. (2014). Boson sampling from a Gaussian State. Physical Review Letters, 113 (10) 100502, 100502.1-100502.5. doi: 10.1103/PhysRevLett.113.100502
McMahon, N. A., Lund, A. P. and Ralph, T. C. (2014). Optimal architecture for a nondeterministic noiseless linear amplifier. Physical Review A, 89 (2) 023846. doi: 10.1103/PhysRevA.89.023846
Lund, A. P., Ralph, T. C. and Jeong, H. (2013). Generation of distributed entangled coherent states over a lossy environment with inefficient detectors. Physical Review A, 88 (5) 052335. doi: 10.1103/PhysRevA.88.052335
Walk, Nathan, Lund, Austin P. and Ralph, Timothy C. (2013). Nondeterministic noiseless amplification via non-symplectic phase space transformations. New Journal of Physics, 15 (7) 073014, 073014.1-073014.23. doi: 10.1088/1367-2630/15/7/073014
Chrzanowski, H. M., Assad, S. M., Bernu, J., Hage, B., Lund, A. P., Ralph, T. C., Lam, P. K. and Symul, T. (2013). Reconstruction of photon number conditioned states using phase randomized homodyne measurements. Journal of Physics B: Atomic, Molecular, and Optical Physics, 46 (10) 104009, 104009.1-104009.10. doi: 10.1088/0953-4075/46/10/104009
Chrzanowski, H. M., Bernu, J., Sparkes, B. M., Hage, B., Lund, A. P., Ralph, T. C., Lam, P. K. and Symul, T. (2011). 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) 050302, 050302.1-050302.4. doi: 10.1103/PhysRevA.84.050302
Lund, A. P. (2011). Efficient quantum computing with weak measurements. New Journal of Physics, 13 (5) 053024, 053024. doi: 10.1088/1367-2630/13/5/053024
Lund, A. P. and Wiseman, H. M. (2010). Measuring measurement-disturbance relationships with weak values. New Journal of Physics, 12 (9) 093011, 093011. doi: 10.1088/1367-2630/12/9/093011
Xiang, G. Y., Ralph, T. C., Lund, A. P., Walk, N. and Pryde, G. J. (2010). Heralded noiseless linear amplification and distillation of entanglement. Nature Photonics, 4 (5), 316-319. doi: 10.1038/NPHOTON.2010.35
Lund, A. P. and Ralph, T. C. (2009). Continuous-variable entanglement distillation over a general lossy channel. Physical Review A - Atomic, Molecular, and Optical Physics, 80 (3) 032309, 032309-1-032309-9. doi: 10.1103/PhysRevA.80.032309
Lund, A., Ralph, T.C. and van Loock, P. (2008). Entangled non-Gaussian states formed by mixing Gaussian states. Journal of Modern Optics, 55 (13), 2083-2094. doi: 10.1080/09500340801986932
Lund, A. P., Ralph, T. C. and Haselgrove, H. L. (2008). Fault-Tolerant Linear Optical Quantum Computing with Small-Amplitude Coherent States. Physical Review Letters, 100 (3) 030503, 030503-1-030503-4. doi: 10.1103/PhysRevLett.100.030503
Wildfeuer, Christoph F., Lund, Austin P. and Dowling, Jonathan P. (2007). Strong violations of bell-type inequalities for path-entangled number states. Physical Review A, 76 (5) 052101, 052101-1-052101-6. doi: 10.1103/PhysRevA.76.052101
Jacobs, Kurt and Lund, Austin P. (2007). Feedback control of nonlinear quantum systems: A rule of thumb. Physical Review Letters, 99 (2) 020501, 020501-1-020501-4. doi: 10.1103/PhysRevLett.99.020501
Lund, A. P. and Ralph, T. C. (2005). Coherent-state linear optical quantum computing gates using simplified diagonal superposition resource states. Physical Review A, 71 (3) 032305, 032305-1-032305-9. doi: 10.1103/PhysRevA.71.032305
Ralph, T. C., Lund, A. P. and Wiseman, H. M. (2005). Adaptive phase measurements in linear optical quantum computation. Journal of Optics B-quantum And Semiclassical Optics, 7 (10), S245-S249. doi: 10.1088/1464-4266/7/10/007
Jeong, H., Lund, A. P. and Ralph, T. C. (2005). Production of superpositions of coherent states in traveling optical fields with inefficient photon detection. Physical Review A, 72 (1) 013801, 013801-1-013801-12. doi: 10.1103/PhysRevA.72.013801
Lund, A. P., Bell, T. B. and Ralph, T. C. (2003). Comparison of linear optics quantum-computation control-sign gates with ancilla inefficiency and an improvement to functionality under these conditions. Physical Review A - Atomic, Molecular, and Optical Physics, 68 (2). doi: 10.1103/PhysRevA.68.022313
Lund, A. P. and Ralph, T. C. (2002). Nondeterministic gates for photonic single-rail quantum logic. Physical Review A - Atomic, Molecular, and Optical Physics, 66 (3). doi: 10.1103/PhysRevA.66.032307
Conference Papers
Ramakrishnan, Rohit K., Ravichandran, Aravinth Balaji, Talabattula, Srinivas, Vijayan, Madhav Krishnan, Lund, Austin P. and Rohde, Peter P. (2020). Photonic quantum error correction of qudits using W-state encoding. 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020), Sydney, Australia, 2-6 August 2020. Washington, DC, United States: Institute of Electrical and Electronics Engineers. doi: 10.1364/CLEOPR.2020.P5_23
Lund, Austin and Ralph, Timothy C. (2016). Enhancing optical quantum channels. SPIE, San Diego, CA, United States, 28–29 August 2016. Bellingham, WA, United States: SPIE. doi: 10.1117/12.2237438
Chrzanowski, H. M., Symul, T., Bernu, J., Hage, B., Lund, A., Ralph, T. C. and Lam, P. K. (2011). Schrödinger kitten and cat states characterisation using only continuous variables and Gaussian resources. 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011, Munich, Germany, 22-26 May 2011. Piscataway, NJ United States: IEEE. doi: 10.1109/CLEOE.2011.5943387
Chrzanowski, Helen, Bernu, Julien, Sparkes, Ben, Hage, Boris, Lund, Austin, Ralph, Tim, Lam, Ping Koy and Symul, Thomas (2011). Photon number discrimination without a photon counter and reconstructing non-Gaussian states of light. Conference on Lasers and Electro-Optics Pacific Rim, Sydney, Australia, 28 August - 1 September 2011.
Xiang, G. Y., Ralph, T. C., Lund, A. P., Walk, N. and Pryde, Geoff J. (2009). Noiseless linear amplification and distillation of entanglement. ACOLS ACOFT 09, The University of Adelaide, 29/11/09 -3/12/09. South Australia: The University of Adelaide.
Ralph, T. C. and Lund, A. P. (2009). Nondeterministic noiseless linear amplification of quantum systems. Quantum Communication, Measurement and Computing (QCMC): Ninth International Conference on QCMC, Calgary, Canada, 19-24 August 2008. United States: American Institute of Physics. doi: 10.1063/1.3131295
Lund A.P. and Ralph T.C. (2006). Efficient coherent state quantum computing by adaptive measurements. Quantum Electronics and Laser Science Conference, QELS 2006, Long Beach, CA, May 21, 2006-May 21, 2006. Optical Society of America. doi: 10.1109/CLEO.2006.4628964
Thesis
Lund, Austin (2008). Optical quantum information with non-Gaussian states. PhD Thesis, School of Physical Sciences, The University of Queensland. doi: 10.14264/159584