Dr Rose Ahlefeldt

Position	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

Ahlefeldt R, Lyasota A, Smith J, Ren J, Sellars M
Effect of a hybrid transition moment on Stark-modulated photon echoes in Er3+: Y2SiO5
Physical Review B 108, 19(2023)

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

Berrington M, Sellars M, Longdell J, Ronnow H, Vallabhapurapu H, Adambukulam C, Laucht A, Ahlefeldt R
Negative Refractive Index in Dielectric Crystals Containing Stoichiometric Rare-Earth Ions
Advanced Optical Materials 11, 24(2023) 2301167

Duda C, Ferguson K, Ahlefeldt R, Hedges 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, Fan W, Zhang Y, Duan C, de Boo G, Ahlefeldt R, Longdell J, Johnson B, McCallum J, Sellars M, Rogge S, Yin C, 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

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

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)

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

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

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

(30 publications)

Conference paper

Berkman I, Lyasota A, de Boo G, Bartholomew J, Johnson B, McCallum J, Xu B, Xie S, Ahlefeldt R, Sellars M, Yin C, 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)