Dr Rose Ahlefeldt

Position	Research Fellow
Department	Physics Education Centre Quantum Science & Technology
Research group	Solid state spectroscopy group
Office phone	(02) 612 59274
Email
Office	Physics New 1 22

Publications

Journal article

Berkman I, Bartholomew J, Berkman I, Bartholomew J, Lyasota A, McCallum J, Lyasota A, McCallum J, de Boo G, Ahlefeldt R, de Boo G, Ahlefeldt R, Bartholomew J, Sellars M, Bartholomew J, Sellars M, Johnson B, Johnson B, McCallum J, McCallum J, Xu B, Xu B, Xie S, Xie S, Ahlefeldt R, Ahlefeldt R, Sellars M, Sellars M, Yin C, Yin C, Rogge S, Rogge S
Observing Er3+ Sites in Si with an in Situ Single-Photon Detector
Physical Review Applied 19, 1(2023)

Duda C, Ferguson K, Duda C, Ferguson K, Ferguson K, Ahlefeldt R, Ferguson K, Ahlefeldt R, Ahlefeldt R, Ahlefeldt R, Hedges M, Hedges M, Sellars M, Sellars M
Optimizing the efficiency of a quantum memory based on rephased amplified spontaneous emission
Physical Review A 107, 3(2023)

Hu G, Ahlefeldt R, de Boo G, Lyasota A, Johnson B, McCallum J, Sellars M, Yin C, Rogge S
Single site optical spectroscopy of coupled Er3+ ion pairs in silicon
Quantum Science and Technology 7, 2(2022)

Smith K, Reid M, Sellars M, Ahlefeldt R
Complete crystal-field calculation of Zeeman hyperfine splittings in europium
Physical Review B 105, 12(2022) 13

Yang J, Ahlefeldt R, Yang J, Ahlefeldt R, Fan W, Longdell J, Fan W, Longdell J, Zhang Y, Zhang Y, Duan C, Duan C, de Boo G, de Boo G, Ahlefeldt R, Ahlefeldt R, Longdell J, Longdell J, Johnson B, Johnson B, McCallum J, McCallum J, Sellars M, Sellars M, Rogge S, Rogge S, Yin C, Yin C, Du J, Du J
Zeeman and hyperfine interactions of a single Er 3+ 167 ion in Si
Physical Review B 105, 23(2022)

Stuart J, Hedges M, Ahlefeldt R, Sellars M
Initialization protocol for efficient quantum memories using resolved hyperfine structure
Physical Review Research 3, 3(2021) 1-6

Ahlefeldt R, Pearce M, Hush M, Sellars M
Quantum processing with ensembles of rare-earth ions in a stoichiometric crystal
Physical Review A 101(2020) 1-11

Everts J, Berrington M, Ahlefeldt R, Longdell J
Microwave to optical photon conversion via fully concentrated rare-earth-ion crystals
Physical Review A 99, 6(2019) 1-9

Louchet-Chauvet A, Ahlefeldt R, Chaneliere T
Piezospectroscopic measurement of high-frequency vibrations in a pulse-tube cryostat
Review of Scientific Instruments 90, 3(2019)

Zhong M, Ahlefeldt R, Sellars M
Quantum information processing using frozen core Y 3+ spins in Eu 3+ :Y 2 SiO 5
New Journal of Physics 21, 3(2019)

Manson N, Hedges M, Barson M, Ahlefeldt R, Doherty M, Abe H, Ohshima T, Sellars M
NV--N+ pair centre in 1b diamond
New Journal of Physics 20(2018) 1-29

Rancic M, Hedges M, Ahlefeldt R, Sellars M
Coherence time of over a second in a telecom-compatible quantum memory storage material
Nature Physics 14, 1(2018) 50-54

Hush M, Bentley C, Ahlefeldt R, James M, Sellars M, Ugrinovskii V
Quantum state transfer through time reversal of an optical channel
Physical Review A - Atomic, Molecular, and Optical Physics 94, 6(2016) 1-16

Hush M, Bentley C, Ahlefeldt R, James M, Sellars M, Ugrinovskii V
Quantum state transfer through time reversal of an optical channel
Physical Review A: Atomic, Molecular and Optical Physics 94, 6(2016) 13

Bartholomew J, Ahlefeldt R, Sellars M
Engineering closed optical transitions in rare-earth ion crystals
Physical Review B: Condensed Matter and Materials 93, 1(2016)

Ahlefeldt R, Hush M, Sellars M
Ultranarrow Optical Inhomogeneous Linewidth in a Stoichiometric Rare-Earth Crystal
Physical Review Letters 117, 25(2016) 1-6

Ahlefeldt R, Pascual-Winter M, Louchet-Chauvet A, Chaneliere T, Le Gouët J
Optical measurement of heteronuclear cross-relaxation interactions in Tm:YAG
Physical Review B: Condensed Matter and Materials 92, 9(2015) 1-12

Dajczgewand J, Ahlefeldt R, Böttger T, Louchet-Chauvet A, Le Gouët J, Chanelière T
Optical memory bandwidth and multiplexing capacity in the erbium telecommunication window
New Journal of Physics 17, -(2015) 1-12

Zhong M, Hedges M, Ahlefeldt R, Bartholomew J, Beavan S, Wittig S, Longdell J, Sellars M
Optically addressable nuclear spins in a solid with a six-hour coherence time
Nature 517, 7533(2015) 177-U121

Ahlefeldt R, Hutchinson D, Manson N, Sellars M
Method for assigning satellite lines to crystallographic sites in rare-earth crystals
Physical Review B: Condensed Matter and Materials 88, 18(2013) 1-6

Ahlefeldt R, Manson N, Sellars M
Optical lifetime and linewidth studies of the F-7(0)-> D-5(0) transition in EuCl3 center dot 6H(2)O: A potential material for quantum memory applications
Journal of Luminescence 133(2013) 152-156

Ahlefeldt R, Manson N, Sellars M, McAuslan D, Longdell J
Precision measurement of electronic ion-ion interactions between neighboring Eu3+ optical centers
Physical Review Letters 111, 24(2013) 1-5

Ahlefeldt R, Zhong M, Bartholomew J, Sellars M
Minimizing Zeeman sensitivity on optical and hyperfine transitions in EuCl₃ . 6H₂O to extend coherence times
Journal of Luminescence 143(2013) 193-200

Faul U, Fitzgerald J, Farla R, Ahlefeldt R, Jackson I
Dislocation creep of fine-grained olivine
Journal of Geophysical Research 116, 1(2011) B01203-12

Ahlefeldt R, Hutchison W, Sellars M
Eu³⁺ superhyperfine structure due to magnetic dipole-dipole interactions with Nd³⁺ in Nd³⁺ : EuCl₃ · 6H₂O
Journal of Luminescence 130, 9(2010) 1594 - 1597

Ahlefeldt R, Smith A, Sellars M
Ligand isotope structure of the optical ⁷F₀- ⁵D₀ transition in EuCl₃.6H₂O
Physical Review B: Condensed Matter and Materials 80, 20(2009) 205106-1 - 205106-5

Hinde D, Ahlefeldt R, Thomas R, Hagino K, Brown M, Dasgupta M, Evers M, Gasques L, Rodriguez M
Probing the tail of the nuclear potential between identical nuclei with quasi-elastic Mott scattering
Physical Review C: Nuclear Physics 76, 014617(2007) 9

(28 publications)

Conference paper

Berkman I, Bartholomew J, Berkman I, Bartholomew J, Lyasota A, McCallum J, Lyasota A, McCallum J, de Boo G, Ahlefeldt R, de Boo G, Ahlefeldt R, Bartholomew J, Sellars M, Bartholomew J, Sellars M, Johnson B, Johnson B, McCallum J, McCallum J, Xu B, Xu B, Xie S, Xie S, Ahlefeldt R, Ahlefeldt R, Sellars M, Sellars M, Yin C, Yin C, Rogge S, Rogge S
In-Situ Single-Photon Detection of Er Sites in Si
2022 Conference on Lasers and Electro-Optics (CLEO '22) ?, ?(2022) FM5D.5

Fernandez-Gonzalvo X, King G, Horvath S, Everts J, Berrington M, Chen Y, Ahlefeldt R, Longdell J
Toward quantum microwave to optical conversion using rare earth ion containing crystals
2019 Conference on Lasers and Electro-Optics, CLEO 2019 ?, ?(2019) 1-2

Sellars M, Ahlefeldt R, Hush M
Stoichiometric rare-earth crystals for applications in quantum information
QELS_Fundamental Science, CLEO_QELS 2017 ?, ?(2017)

Bartholomew J, Ahlefeldt R, Sellars M
Closing optical transitions for single rare-earth ion spin readout
Conference on Lasers and Electro-Optics, CLEO 2016 ?, ?(2016)

Ahlefeldt R, Hutchison W, Sellars M
Characterisation of EuCl 3.6H 2O for multi-qubit quantum processing
2011 International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011 ?, ?(2011) 1791-1793

(5 publications)