Probabilistic magnetometry with two-spin system in diamond

Abstract

Solid-state magnetometers like the Nitrogen-Vacancy center in diamond have been of paramount importance for the development of quantum sensing with nanoscale spatial resolution. The basic protocol is a Ramsey sequence, that imprints an external static magnetic field into phase of the quantum sensor, which is subsequently readout. In this work we show that the hyperfine coupling between the Nitrogen-Vacancy and a nearby Carbon-13 can be used to set a post-selection protocol that leads to an enhancement of the sensitivity under realistic experimental conditions. We found that for an isotopically purified sample the detection of weak magnetic fields in the $\mu$T range can be achieved with a sensitivity of few nTHz${}^{-1/2}$ at cryogenic temperature ($4$ K), and $0.1$ $\mu$THz${}^{-1/2}$ at room temperature.

References in corpus (49)

• Quantum sensing
• Experimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km
• High-sensitivity diamond magnetometer with nanoscale resolution
• General framework for estimating the ultimate precision limit in noisy quantum-enhanced metrology
• Universal dynamical decoupling of a single solid-state spin from a spin bath
• Ultrasensitive Beam Deflection Measurement via Interferometric Weak Value Amplification
• Quantum Fisher information matrix and multiparameter estimation
• Colloquium: Understanding Quantum Weak Values: Basics and Applications
• A 10-qubit solid-state spin register with quantum memory up to one minute
• High Resolution Magnetic Resonance Spectroscopy Using Solid-State Spins
• Universal control and error correction in multi-qubit spin registers in diamond
• Dynamic polarization of single nuclear spins by optical pumping of NV color centers in diamond at room temperature
• Measuring small longitudinal phase shifts: weak measurements or standard interferometry?
• Quantum weak values
• Atomic-scale imaging of a 27-nuclear-spin cluster using a single-spin quantum sensor
• Simultaneous Broadband Vector Magnetometry Using Solid-State Spins
• Amplifying Single-Photon Nonlinearity Using Weak Measurement
• Achieving the Heisenberg limit in quantum metrology using quantum error correction
• Repeated quantum error correction on a continuously encoded qubit by real-time feedback
• Optimizing the Signal to Noise Ratio of a Beam Deflection Measurement with Interferometric Weak Values
• Weak value amplification is suboptimal for estimation and detection
• Precision metrology using weak measurements
• Optimized quantum sensing with a single electron spin using real-time adaptive measurements
• Controlling the quantum dynamics of a mesoscopic spin bath in diamond
• Quantum Advantage in Postselected Metrology
• When amplification with weak values fails to suppress technical noise
• Manipulating a qubit through the backaction of sequential partial measurements and real-time feedback
• Quantum Fisher information for density matrices with arbitrary ranks
• Information amplification via postselection: A parameter estimation perspective
• Quantum limits on post-selected, probabilistic quantum metrology
• High-resolution spectroscopy of single nuclear spins via sequential weak measurements
• Single-shot readout of multiple nuclear spin qubits in diamond under ambient conditions
• Composite-pulse magnetometry with a solid-state quantum sensor
• Continuous dynamical decoupling magnetometry
• Weak-value amplification as an optimal metrological protocol
• Quantum sensors based on weak-value amplification cannot overcome decoherence
• Weak measurements with a qubit meter
• Bayesian estimation for quantum sensing in the absence of single-shot detection
• Self-assembling hybrid diamond-biological quantum devices
• Coherent population trapping of a single nuclear spin under ambient conditions
• Geometric phase magnetometry using a solid-state spin
• Hybrid quantum magnetic field sensor with an electron spin and a nuclear spin in diamond
• Achieving metrological precision limits through post-selection
• Nitrogen-Vacancy Center as Open-Quantum-System Simulator
• Stimulated Raman Adiabatic control of a nuclear spin in diamond
• Estimation of Spin-Spin Interaction by Weak Measurement Scheme
• The power of a control qubit in weak measurements
• Strong polarization of individual nuclear spins weakly coupled to nitrogen-vacancy color centers in diamond
• Phonon maser stimulated by spin post-selection

Cited by in corpus (5)

• Dynamical quantum phase transition in diamond: applications in quantum metrology
• Effect of inter-system crossing rates and optical illumination on the polarization of nuclear spins nearby nitrogen-vacancy centers
• Quantum Sensing Enhancement through a Nuclear Spin Register in Nitrogen-Vacancy Centers in Diamond
• Engineering non-Markovianity from defect-phonon interactions
• Cost-effective temperature estimation strategies for thermal states with probabilistic quantum metrology