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Optical Engineering

Entangled photon recovery state using a fiber ring resonator incorporating an erbium-doped fiber amplifier
Author(s): Suebtarkul Suchat; W. Khunnam; Preecha P. Yupapin
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Paper Abstract

We investigate a new system of photon-entangled recovery states using a fiber ring resonator incorporating an erbium-doped fiber (EDF). We also show that states of weak entangled photons can be regenerated and recovered after circulating in the amplified fiber optic medium. The output entangled photon states can be regenerated by adjusting the polarization controller of the amplified photons. Results obtained show that such a proposed system can be used to perform the polarization entangled recovery states, and the amplified output gain can be achieved. The amplifying noise is also detected and seen on the spectrum output, which affects the entangled photon output visibility. The change in the system temperature is also investigated, which shows that entangled state walk-off compensation is required to obtain the optimum entangled photon visibility.

Paper Details

Date Published: 1 June 2008
PDF: 5 pages
Opt. Eng. 47(6) 065005 doi: 10.1117/1.2947583
Published in: Optical Engineering Volume 47, Issue 6
Show Author Affiliations
Suebtarkul Suchat, King Mongkut's Institute of Technology Ladkrabang (Thailand)
W. Khunnam, King Mongkut's Institute of Technology Ladkrabang (Thailand)
Preecha P. Yupapin, King Mongkut's Institute of Technology Ladkrabang (Thailand)


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