Publications

2023

• “Single-Photon-Compatible Telecommunications-Band Quantum Memory in a Hot Atomic Gas”, S. E. Thomas, S. Sagona-Stophel, Z. Schofield, I. A. Walmsley, P. M. Ledingham,  Physical Review Applied 19 (3) L031005 (2023)

• “Deterministic Storage and Retrieval of Telecom Quantum Dot Photons Interfaced with an Atomic Quantum Memory”, S. E. Thomas, L. Wagner, R. Joos, R. Sittig, C. Nawrath, P. Burdekin, T. Huber-Loyola, S. Sagona-Stophel, S. Höfling, M. Jetter, P. Michler, I. A. Walmsley, S. L. Portalupi, P. M. Ledingham, Arxiv 2303.04166 (2023)

2022

• “A universal programmable Gaussian Boson Sampler for drug discovery”, S. Yu, Z.-P. Zhong, Y. Fang, R. B. Patel, Q.-P. Li, W. Liu, Z. Li, L. Xu, S. Sagona-Stophel, E. Mer, S. E. Thomas, Y. Meng, Z.-P. Li, Y.-Z. Yang, Z.-A. Wang, N.-J. Guo, W.-H. Zhang, G. K. Tranmer, Y. Dong, Y.-T. Wang, J.-S. Tang, C.-F. Li, I. A. Walmsley, G.-C. Guo, Arxiv 2210.14877 (2022)

• “Experimentally Finding Dense Subgraphs Using a Time-Bin Encoded Gaussian Boson Sampling Device”, S. Sempere-Llagostera, R. B. Patel, I. A. Walmsley, W. S. Kolthammer, Phys. Rev. X, 22 3 031045 (2022)

• “Experimental Demonstration of Gaussian Boson Sampling with Displacement”, G.S. Thekkadath, S. Sempere-Llagostera, B.A. Bell, R.B. Patel, M.S. Kim, I.A. Walmsley, PRX Quantum 3 020336 (2022)

• “Reducing g(2)(0) of a parametric down-conversion source via photon-number resolution with superconducting nanowire detectors”, S. Sempere-Llagostera, G. S. Thekkadath, R. B. Patel, W. S. Kolthammer, I. A. Walmsley, Optics Express 30 2 3138-3147  (2022)

• “Measuring the joint spectral mode of photon pairs using intensity interferometry”, G. S. Thekkadath, B. A. Bell, R. B. Patel, M. S. Kim, I. A. Walmsley, Physical Review Letters 128 2 023601 (2022)

• “The boundary for quantum advantage in Gaussian boson sampling”, J. F. F. Bulmer, B. A. Bell, R. S. Chadwick, A. E. Jones, D. Moise, A. Rigazzi, J. Thorbecke, U.-U. Haus, Th. Van Vaerenbergh, R. B. Patel, I. A. Walmsley, A. Laing, Science Advances 8 4 eabl9236 (2022)

2021

• “Gigahertz-bandwidth optical memory in Pr3+:Y2SiO5”, M. Nicolle, J. N. Becker, C. Weinzetl, I. A. Walmsley, P. M. Ledingham, Optics Letters, 46 12 2948-2951 (2021)

• “Room temperature atomic frequency comb storage for light”, D. Main, T. M. Hird, S. Gao, I. A. Walmsley, P. M. Ledingham, Optics Letters 46 12 2960-2963 (2021) 

• “Preparing narrow velocity distributions for quantum memories in room-temperature alkali-metal vapors”, D. Main, T. M. Hird, S. Gao, E. Oguz, D. J. Saunders, I. A. Walmsley, P. M. Ledingham, Physical Review A, 103 4 043105 (2021) 

• “Single-shot discrimination of coherent states beyond the standard quantum limit”, G. S. Thekkadath, S. Sempere-Llagostera, B. A. Bell, R. B. Patel, M. S. Kim, I. A. Walmsley, Optics Letters 46 11 2565-2568 (2021) 

2020

• “Quantum-enhanced interferometry with large heralded photon-number states”, G. S. Thekkadath, M. E. Mycroft, B. A. Bell, C. G. Wade, A. Eckstein, D. S. Phillips, R. B. Patel, A. Buraczewski, A. E. Lita, T. Gerrits, S. W. Nam, M. Stobińska, A. I. Lvovsky, I. A. Walmsley, NPJ Quantum Information 6 1 89 (2020)

• “Quantum-enhanced stimulated emission detection for label-free microscopy”, G. Triginer Garces, H. M. Chrzanowski, S. Daryanoosh, V. Thiel, A. L. Marchant, R. B. Patel, P. C. Humphreys, A. Datta, I. A. Walmsley, Applied Physics Letters 117 2 024002 (2020)