Abstract
Squeezed light generated by four-wave mixing near the Na atomic resonance is compared with a full quantumtheoretical model. Losses and dephasing that are due to spontaneous emission near the atomic resonance are included in this theoretical treatment. The experimental results show noise reduction greater than 1 dB below the standard quantum limits and are in good agreement with the quantum model at low pump intensities and large detuning. Theory and experiment show that limits to squeezed-light noise reduction resulting from spontaneousemission losses can be largely avoided by using nondegenerate four-wave mixing and pump intensities near the atomic saturation values.
| Original language | English |
|---|---|
| Pages (from-to) | 1453-1464 |
| Number of pages | 12 |
| Journal | Journal of the Optical Society of America B: Optical Physics |
| Volume | 4 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 1987 |
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