All-optical NMR in semiconductors provided by resonant cooling of nuclear spins interacting with electrons in the resonant spin amplification regime

Abstract

Resonant cooling of different nuclear isotopes manifested in optically-induced nuclear magnetic resonances (NMR) is observed in n-doped CdTe/(Cd,Mg)Te and ZnSe/(Zn,Mg)Se quantum wells and for donor-bound electrons in ZnSe:F and GaAs epilayers. By time-resolved Kerr rotation used in the regime of resonant spin amplification we can expand the range of magnetic fields where the effect can be observed up to nuclear Larmor frequencies of 170 kHz. The mechanism of the resonant cooling of the nuclear spin system is analyzed theoretically. The developed approach allows us to model the resonant spin amplification signals with NMR resonances.

arXiv comment11 pages, 6 figures

References in corpus (11)

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• Hole spin dephasing time associated to hyperfine interaction in quantum dots
• Origin of enhanced dynamic nuclear polarization and all-optical nuclear magnetic resonance in GaAs quantum wells
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• Time-resolved and continuous-wave optical spin pumping of semiconductor quantum wells
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• Inhomogeneous nuclear spin polarization induced by helicity-modulated optical excitation of fluorine-bound electron spins in ZnSe
• NMR Response of Nuclear Spin Helix in Quantum Wires with Hyperfine and Spin-Orbit Interaction
• Single quantum emitters with spin ground states based on Cl bound excitons in ZnSe
• Dynamics of nuclear spin polarization induced and detected by coherently precessing electron spins in fluorine-doped ZnSe
• Dynamic Nuclear Polarization by optical Stark effect in periodically-pumped gallium arsenide
• Observation of magnetic-field-sweep-direction-dependent dynamic nuclear polarization under periodic optical electron spin pumping
• Tuning the nuclei-induced spin relaxation of localized electrons by the quantum Zeno and anti-Zeno effects
• Nuclear spin dynamics influenced and detected by electron spin polarization in CdTe/CdMgTe quantum wells
• Discretizing the Bistability of Mode-Locked Electron Spin Precession: An Overhauser Field Hysteresis Manifestation