Entanglement Source with High Entanglement Degree Based on Wedged Nonlinear Crystals

Yaoyao Zhou; Juan Yu; Zhihui Yan; Xiaojun Jia

doi:10.3788/AOS201838.0727001

Journals >Acta Optica Sinica >Volume 38 >Issue 7 >Page 0727001 > Article

Acta Optica Sinica
Vol. 38, Issue 7, 0727001 (2018)

Entanglement Source with High Entanglement Degree Based on Wedged Nonlinear Crystals

Yaoyao Zhou^1、*, Juan Yu², Zhihui Yan², and Xiaojun Jia²

Author Affiliations

¹ Department of Physics, Taiyuan Normal University, Taiyuan, Shanxi 0 30031, China

² State Kay Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan, Shanxi 0 30006, China

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DOI: 10.3788/AOS201838.0727001 Cite this Article Set citation alerts

Yaoyao Zhou, Juan Yu, Zhihui Yan, Xiaojun Jia. Entanglement Source with High Entanglement Degree Based on Wedged Nonlinear Crystals[J]. Acta Optica Sinica, 2018, 38(7): 0727001 Copy Citation Text

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Fig. 1. Schematic of NOPA cavity

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Fig. 2. Quantum correlation noise between two output beams versus g

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Fig. 3. Structural diagram of NOPA cavity

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Fig. 4. Picture of NOPA cavity

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Ф	0°	5°	10°	15°	20°	25°	30°	35°	40°	45°
g₁ /%	0.01	0.53	0.86	1	0.5	1.6	3.2	4.3	4.8	8.46
g₂ /%	0	0.16	0.53	0.53	2.66	4.26	8.51	12.3	17.66	23.7

Table 1. Relationship between transmissivity difference for two orthogonally polarized beams for output coupler and normal angle of output coupler with respect to laser beam

Yaoyao Zhou, Juan Yu, Zhihui Yan, Xiaojun Jia. Entanglement Source with High Entanglement Degree Based on Wedged Nonlinear Crystals[J]. Acta Optica Sinica, 2018, 38(7): 0727001

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