The Rare-Earth Integration Program is led by Associate Professor Matthew Sellars, based in the Research School of Physics at the Australian National University. The program’s focus is on the development of optical quantum devices that utilize rare-earth optical centres in solids.

Crossing the boundary between solid-state and optical quantum information technologies, the program aims to develop the hardware to enable the demonstration of a quantum communication network. The program is closely associated with the Centre’s goal of extending the range of communications through the development of a quantum repeater.

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Featured publications

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Initialization protocol for efficient quantum memories using resolved hyperfine structure JS Stuart, M Hedges, R Ahlefeldt, M Sellars Physical Review Research, 3, L032054 (2021)
Quantum memories and the double-slit experiment: implications for astronomical interferometry J Bland-Hawthorn, MJ Sellars, JG Bartholomew Journal of the Optical Society of America B-Optical Physics, 38, A86 (2021)
High-resolution spectroscopy of individual erbium ions in strong magnetic fields GG de Boo, CM Yin, CM, Rancic, BC Johnson, JC McCallum, MJ Sellars, S Rogge Physical Review B, 102, 155309 (2020)
Quantum processing with ensembles of rare-earth ions in a stoichiometric crystal RL Ahlefeldt, MJ Pearce, MR Hush, MJ Sellars Physical Review A, 101, 012309 (2020)
Microwave to optical photon conversion via fully concentrated rare-earth-ion crystals JR Everts, MC Berrington, RL Ahlefeldt, JJ Longdell Physical Review A, 99, 063830 (2019)
Toward quantum microwave to optical conversion using rare earth ion containing crystals X Fernandez-Gonzalvo, GGG King, GGG, SP Horvath, JR Everts, MC Berrington, YH Chen, RL Ahlefeldt, JJ Longdell 2019 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 1 (2019)