Nonlinear optical magnetometry with accessible in situ optical squeezing
arXiv:1409.2935 · doi:10.1364/OL.39.006533
Abstract
We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four wave mixing process results in nonlinear magneto-optical rotation (NMOR) on each mode of a two mode relative-intensity squeezed state. This framework enables 4.7 dB of quantum noise reduction while the opposing polarization rotation signals of the probe and conjugate fields add to increase the total signal to noise ratio.
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- Hot atomic vapors for nonlinear and quantum optics
- Improvement of vacuum squeezing resonant on the rubidium D1 line at 795 nm
- Degenerate squeezing in a dual-pumped integrated microresonator: parasitic processes and their suppression
- Improving Sensitivity of an Amplitude-Modulated Magneto-Optical Atomic Magnetometer using Squeezed Light
- Magneto Optical Sensing beyond the Shot Noise Limit
- Laser Intensity Noise Suppression for Preparing Audio-Frequency 795 nm Squeezed Vacuum State of Light at Rubidium D1 Line
- Temporal Quantum Noise Reduction Acquired by an Electron-Multiplying Charge-Coupled-Device Camera
- Light-matter quantum interferometry with homodyne detection