| Issue |
EPL
Volume 82, Number 2, April 2008
|
|
|---|---|---|
| Article Number | 24003 | |
| Number of page(s) | 5 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/82/24003 | |
| Published online | 28 March 2008 | |
Experimental investigation about the influence of pump phase noise on phase-correlation of output optical fields from a non-degenerate parametric oscillator
The State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University - Taiyuan, 030006, PRC
Corresponding author: changde@sxu.edu.cn
Received:
14
September
2007
Accepted:
28
February
2008
The influence of the phase fluctuation of the pump laser on the phase correlation between the signal and idler modes of the output fields from a non-degenerate optical parametric oscillator operating above oscillation threshold was experimentally investigated. The noise spectra of the intensity-difference and the phase-sum of the entangled optical beams were measured with a pair of unbalanced fiber Mach-Zehnder interferometers specifically designed. The experimental results prove the previous theoretical prediction and are in reasonable agreement with the calculation based on semiclassical theory involving the phase fluctuation of pump laser.
PACS: 42.50.-p – Quantum optics / 42.65.Yj – Optical parametric oscillators and amplifiers / 42.65.Lm – Parametric down conversion and production of entangled photons
© EPLA, 2008
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