Publication: An investigation of the entangled photon walk-off compensation generated by a fiber ring resonator
Issued Date
2009-09-01
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00304026
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2-s2.0-68949178462
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Mahidol University
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SCOPUS
Bibliographic Citation
Optik. Vol.120, No.14 (2009), 731-735
Suggested Citation
W. Khunnam, P. P. Yupapin An investigation of the entangled photon walk-off compensation generated by a fiber ring resonator. Optik. Vol.120, No.14 (2009), 731-735. doi:10.1016/j.ijleo.2008.02.025 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/27551
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Title
An investigation of the entangled photon walk-off compensation generated by a fiber ring resonator
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Abstract
We firstly present an experimental investigation of the entangled photon states' recovery using a fiber optic ring resonator incorporating an erbium-doped fiber amplifier (EDFA). The weak light entangled photons can be recovered in both amplitude and states after the optical pumping and polarization control parts are used in the system. A new experimental result of the investigation of thermal effects on the entangled states' walk-off and compensations has shown that the entangled photon walk-off compensation is achieved by using a pair of polarization control devices. The relationship between thermal effects and the entangled states' phase shift is investigated and discussed. The walk-off compensation due to temperature changes from 30 to 80 °C is achieved. This shows that the changes in phase of the entangled photons can be negligible when the compensation is employed. © 2008 Elsevier GmbH. All rights reserved.