Three-Photon Discrete-Energy-Entangled W State in Optical Fiber
B. Fang, M. Menotti, M. Liscidini, J. E. Sipe, and V. O. Lorenz
TL;DR
This paper reports the experimental creation of a three-photon entangled W state in optical fiber, utilizing spontaneous four-wave mixing and prior source information to verify the state without frequency conversion.
Contribution
It introduces a novel method for generating and verifying three-photon entangled states directly in optical fiber using spontaneous four-wave mixing.
Findings
Successful generation of three-photon W state in optical fiber
Verification of the entangled state without frequency conversion
Use of prior information to confirm state quality
Abstract
We experimentally demonstrate the generation of a three-photon discrete-energy-entangled W state using multi-photon-pair generation by spontaneous four-wave mixing in an optical fiber. We show that by making use of prior information on the photon source we can verify the state produced by this source without resorting to frequency conversion.
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