Abstract
Diamond is not only the king gemstone, but also a promising material in quantum technologies. Optically active impurities (colour centers) in diamond show unique coherence properties under ambient conditions. Their quantum state can be readout and manipulated using a combination of single molecule spectroscopy and magnetic resonance techniques. In this talk it will be shown how engineered spins in diamond can be used for creation of non-classical (entangled) quantum states. I will also demonstrate the potential of atomic magnetometers based on single color centers for nanoscale sensing and imaging. New photoelectric detection technique allowing efficient readout of single color centers will be discussed.
Highlights
Electron and nuclear spin resonance is a spectroscopic technique that provides very detailed information on almost every possible substance and as very insensitive. This may be contrasted to the excellent sensitivity of optical single molecule spectroscopy which is able to demonstrate the detection of single molecules in condensed matter
While first experiments were done with aromatic molecules at low temperatures, recently single spin magnetic resonance techniques were applied to the study of defect centers in diamond allowing coherent single spin control and readout under ambient conditions
Single-molecule nuclear magnetic resonance (NMR) experiments open the way towards unraveling dynamics and structure of single biomolecules
Summary
Electron and nuclear spin resonance is a spectroscopic technique that provides very detailed information on almost every possible substance and as very insensitive. Their quantum state can be readout and manipulated using a combination of single molecule spectroscopy and magnetic resonance techniques. In this talk it will be shown how engineered spins in diamond can be used for creation of non-classical (entangled) quantum states.
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