Generation of densely-spaced time-bin entangled qubits on a chip

M. Chemnitz, S. Sciara, B. Fischer, Benjamin Crockett, P. Roztocki, Hao Yu, Zhiming Wang, R. Morandotti, B. Little, S. Chu, D. Moss
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Abstract

We present a compact scheme for the integrated generation of densely-spaced time-bin entangled two-photon qubits using an on-chip unbalanced interferometer and a spiral waveguide. We show quantum interference with visibilities as high as 99%.
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在晶片上产生密集间隔的时间盒纠缠量子位元
我们提出了一种紧凑的方案,用于使用片上不平衡干涉仪和螺旋波导集成生成密集间隔时间盒纠缠双光子量子位。我们展示了能见度高达99%的量子干涉。
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