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A comparison between degenerate paramagnetic oscillators and two-photon correlated-spontaneous-emission lasers |
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| Authors: | Shi Yao Zhu |
| Institution: | aCenter for Advanced Studies, and Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA |
| Abstract: | The degenerate parametric oscillator (DPO) is analyzed with the nonlinear material treated quantum mechanically. The source of squeezing in the DPO is the same as in the two-photon correlated-spontaneous-emission laser (CEL) — the level coherence. In this sense, they are similar. The amount of squeezing in DPO is the same as in the two-photon CEL at two-photon resonance, but the gain in DPO is usually much smaller than that in the two-photon CEL at two-photon resonance. |
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