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The silicon split-vacancy centre in diamond

The silicon-vacancy centre in diamond for quantum information processing

The silicon-vacancy centre in diamond for quantum information processing

... centre. We here investigate more closely those transitions and their impact on the spin coherence. 5.2.1 Spin dephasing At around 4 K, both orbital branches of the ground state are populated following a Boltzmann ...

152

The nitrogen-vacancy colour centre in diamond

The nitrogen-vacancy colour centre in diamond

... 4.4 The Jahn-Teller effect and the temperature depen- dence of the NV − optical ZPL Although Davies and Hamer rejected the first possibility of a Jahn-Teller ex- planation, their investigation of it deserves some ...

101

Electronic structure of the neutral silicon vacancy center in diamond

Electronic structure of the neutral silicon vacancy center in diamond

... Innovation Centre, Fermi Avenue, OX11 0QR, UK The neutrally-charged silicon vacancy in diamond is a promising system for quantum technologies that combines high-efficiency optical spin ...

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Photodynamics of the nitrogen-vacancy colour centre in diamond

Photodynamics of the nitrogen-vacancy colour centre in diamond

... With the field applied there continues to be optical excitation from the x, y state and more efficient transfer into the singlet level. The result is t hat the equilib[r] ...

152

Neutral silicon vacancy center in diamond : spin polarization and lifetimes

Neutral silicon vacancy center in diamond : spin polarization and lifetimes

... We demonstrate optical spin polarization of the neutrally-charged silicon-vacancy defect in dia- mond (SiV 0 ), an S = 1 defect which emits with a zero-phonon line at 946 nm. The spin polarization is found ...

7

The mechanical and thermal properties of the nitrogen vacancy centre in diamond

The mechanical and thermal properties of the nitrogen vacancy centre in diamond

... For an objective working in air ( n ≈ 1.0 ) the highest achievable NA in practice is ∼ 0.95 , limiting the resolution of the system to ∼ 270 nm. However, for NV centres which are already identify as atomic-sized single ...

233

The electronic structure of the tetrachedral N2 centre and of the neutral vacancy in diamond

The electronic structure of the tetrachedral N2 centre and of the neutral vacancy in diamond

... electron spins give orthogonal spin functions SO that the spatial wave functions can over- lap and spread out, thus reducing kinetic energy. The singlet state is favoured if the [r] ...

13

Raman heterodyne detected magnetic resonance of the nitrogen-vacancy centre in diamond

Raman heterodyne detected magnetic resonance of the nitrogen-vacancy centre in diamond

... In ENDOR measurements, when the RF driving an /'.'MR rransition is pulsed, the transient va.'iation of the populations in the NMR levels causes a corresponding change in the EPR s[r] ...

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All-Optical Initialization, Readout, and Coherent Preparation of Single Silicon-Vacancy Spins in Diamond

All-Optical Initialization, Readout, and Coherent Preparation of Single Silicon-Vacancy Spins in Diamond

... in diamond [2] are attractive candidates owing to unique properties of diamond, which include optical transparency and a high lattice quality that allows spin to function as long-lived quantum memory ...

6

Photochromism of vacancy-related centres in diamond

Photochromism of vacancy-related centres in diamond

... CVD diamond, for both band-to-band and band-to-defect-level ...of diamond, and therefore should be attributed to transitions from the ground state of some defect centre to the ...this centre, ...

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Magnetic ordering of nitrogen-vacancy centers in diamond via resonator-mediated coupling

Magnetic ordering of nitrogen-vacancy centers in diamond via resonator-mediated coupling

... Author details 1 Department of Physics, The Chinese University of Hong Kong, Hong Kong, China. 2 Centre for Quantum Coherence, The Chinese University of Hong Kong, Hong Kong, China. 3 3rd Institute of Physics and ...

7

Our vacancy database. Careers Centre Job hunting

Our vacancy database. Careers Centre Job hunting

... Each profile has a ‘typical employers/vacancy sources’ page which can provide a useful starting point when looking for work. In addition to the career area that you are interested in, other factors such as where ...

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Diamond machining of silicon : a review of advances in molecular dynamics simulation

Diamond machining of silicon : a review of advances in molecular dynamics simulation

... 43 Figure 20: Schematic diagram of radial distribution function [134] The radial distribution functions, also called “pair distribution functions” or “pair correlation functions,” are the primary link between macroscopic ...

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Diamond machining of silicon : a review of advances in molecular dynamics simulation

Diamond machining of silicon : a review of advances in molecular dynamics simulation

... 43 Figure 20: Schematic diagram of radial distribution function [134] The radial distribution functions, also called “pair distribution functions” or “pair correlation functions,” are the primary link between macroscopic ...

92

Thermal conductance calculations of silicon nanowires: comparison with diamond nanowires

Thermal conductance calculations of silicon nanowires: comparison with diamond nanowires

... a vacancy defect and DNWs with no ...of vacancy defects on the thermal conductance of nanometer-size SiNW are not simply estimated from the density of vacancy defects, but instead we have to take the ...

7

Quantum decoherence of near-surface nitrogen-vacancy centers in diamond and implications for nanoscale imaging

Quantum decoherence of near-surface nitrogen-vacancy centers in diamond and implications for nanoscale imaging

... our diamond nanopillar and silicon nanostructure ...and diamond fab projects including our collaboration in the gadolinium scanning ...diligent diamond CVD team member, and soon took the lead ...

418

Investigating the Influence of Interface and Vacancy Defects on the Growth of Silicon Quantum Dots in SiO2

Investigating the Influence of Interface and Vacancy Defects on the Growth of Silicon Quantum Dots in SiO2

... implanted at room temperature with Si + ions at energies of 90keV, 400keV and 1MeV. The projected peak implant depth of Si + within the SiO 2 film and c-Si substrate beneath was estimated using SRIM simulation software ...

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Ab initio supercell calculations on nitrogen-vacancy center in diamond: Electronic structure and hyperfine tensors

Ab initio supercell calculations on nitrogen-vacancy center in diamond: Electronic structure and hyperfine tensors

... the vacancy are known from electron paramagnetic resonance (EPR) and electron-nuclear double resonance (EN- DOR) ...the vacancy contributes to the coherent electron-nuclear spin states in the ...basic ...

29

Stability of electronic states of the vacancy in diamond

Stability of electronic states of the vacancy in diamond

... This model, like many more before it, predicts the 3 T 1 state close above the ground state of the neutral vacancy. It should be possible to populate it, either by photoionization of V − or thermally, and to ...

12

The optical absorption of the neutral vacancy in diamond

The optical absorption of the neutral vacancy in diamond

... The data we use are measured band shapes, which give the Huang-Rhys factor, the polarisation of the luminescence and the stress splitting of the zero phonon lin[r] ...

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