| Issue |
Europhys. Lett.
Volume 40, Number 1, October 1997
|
|
|---|---|---|
| Page(s) | 25 - 30 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1997-00418-8 | |
| Published online | 01 September 2002 | |
Observation of squeezing using cascaded nonlinearity
Laboratoire Kastler Brossel UPMC, Case 74 75252 Paris Cedex 05, France
Received:
20
January
1997
Accepted:
2
September
1997
We have observed that the pump beam reflected by a triply resonant optical parametric oscillator, after a cascaded second-order nonlinear interaction in the crystal, is significantly squeezed. The maximum measured squeezing in our device is 30% (output beam squeezing inferred: 48%). The direction of the noise ellipse depends on the cavity detuning and can be adjusted from intensity squeezing to phase squeezing.
PACS: 42.50.Dv – Nonclassical field states; squeezed, antibunched, and sub-Poissonian states; operational definitions of the phase of the field; phase measurements / 42.50.Lc – Quantum fluctuations, quantum noise, and quantum jumps / 42.65.Ky – Harmonic generation, frequency conversion
© EDP Sciences, 1997
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