Rubidium resonant squeezed light from a diode-pumped optical-parametric oscillator

Abstract

We demonstrate a diode-laser-pumped system for generation of quadrature squeezing and polarization squeezing. Due to their excess phase noise, diode lasers are challenging to use in phase-sensitive quantum optics experiments such as quadrature squeezing. The system we present overcomes the phase noise of the diode laser through a combination of active stabilization and appropriate delays in the local oscillator beam. The generated light is resonant to the rubidium D1 transition at 795nm and thus can be readily used for quantum memory experiments.

6 pages 4 figures

References in corpus (6)

• Observation of squeezed light with 10dB quantum noise reduction
• Quantum memory for squeezed light
• Observation of -9 dB quadrature squeezing with improvement of phase stability in homodyne measurement
• Coherent control of vacuum squeezing in the Gravitational-Wave Detection Band
• Generation of a squeezed vacuum resonant on Rubidium D_1 line with periodically-poled KTiOPO_4
• Squeezed light for bandwidth limited atom optics experiments at the Rubidium D1 line

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• Improvement of vacuum squeezing resonant on the rubidium D1 line at 795 nm
• Sensitivity, quantum limits, and quantum enhancement of noise spectroscopies
• Atomic filtering for hybrid continuous-variable/discrete-variable quantum optics
• Single-domain Bose condensate magnetometer achieves energy resolution per bandwidth below $\hslash$
• Quantum-enhanced magnetometry at optimal number density
• Entanglement-enhanced phase estimation without prior phase information
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• Optical spin squeezing: bright beams as high-flux entangled photon sources
• Extreme spin squeezing for photons
• Theory of high gain cavity-enhanced spontaneous parametric down-conversion
• Optimal Signal Recovery for Pulsed Balanced Detection
• Squeezed-light enhancement and backaction evasion in a high sensitivity optically pumped magnetometer