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Zbl 1152.81834
de Riedmatten, H.; Marcikic, I.; Zbinden, H.; Gisin, N.
Creating high-dimensional time-bin entanglement using mode-locked lasers. (English)
[J] Quantum Inf. Comput. 2, No. 6, 425-433 (2002). ISSN 1533-7146

Summary: We present a new scheme to generate high dimensional entanglement between two photonic systems. The idea is based on parametric down conversion with a sequence of pump pulses generated by a mode-locked laser. We prove experimentally the feasibility of this scheme by performing a Franson-type Bell test using a 2-way interferometer with path-length difference equal to the distance between 2 pump pulses. With this experiment, we can demonstrate entanglement for a two-photon state of at least dimension $D=11$. Finally, we propose a feasible experiment to show a Fabry--Perot like effect for a high dimensional two-photon state.

MSC 2000:: *81P68 Quantum computation and quantum cryptography
81V80 Appl. of quantum theory to quantum optics
81-05 Experimental papers (quantum theory)

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