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Wideband quantum sensing

Using trapped-ion motion as a phase-sensitive sensor for radio-frequency fields across bandwidths inaccessible to conventional quantum probes.

2026

Quantum sensing

Nonlinear-Enhanced Wideband Sensing via Subharmonic Excitation of a Quantum Harmonic Oscillator

H. Wu, C. Z. C. Ho, G. D. Mitts, J. A. Rabinowitz, and E. R. Hudson

Physical Review Letters 136, 170801

2025

Quantum sensing

Super-resolution of two closely-spaced electromagnetic fields via Walsh-modulated dynamical decoupling spectroscopy

Quantum sensing

Floquet-engineered decoherence-resilient protocols for wideband sensing beyond the linear standard quantum limit

Quantum sensing

Wideband electric field quantum sensing via motional Raman transitions

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