GHz-clocked teleportation of time-bin qubits with a telecom C-band quantum dot

GHz-clocked teleportation of time-bin qubits with a telecom C-band quantum dot
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使用电信 C 波段量子点对时间仓量子位进行 GHz 时钟隐形传态

DOI:
10.1117/12.2578558
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发表时间:
2021
期刊:
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影响因子:
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通讯作者:
Müller T
Müller T
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作者:
Müller T

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半导体量子点是量子中继等量子网络应用的首选,但其典型的发射波长、偏振量子比特编码方案和低工作频率与现有技术不兼容。我们的工作表明,用ghz时钟脉冲驱动的InAs/InP量子点,结合量子比特转码干涉仪,可以弥合这些差距。在电信C波段中,即使重复率超过点的逆寿命,时间bin量子比特的隐形传态也显示了将此类设备与远程量子网络技术集成的潜力。
Semiconductor quantum dots are prime candidates for quantum network applications such as quantum relays, but their typical emission wavelength, polarization qubit encoding scheme and low operating frequency are incompatible with existing technologies. Our work shows that InAs/InP quantum dots driven with GHz-clocked pulses, in combination with qubit transcoding interferometers, can bridge these gaps. The demonstrated teleportation of time-bin qubits in the telecom C band even when repetition rates exceed the inverse lifetime of the dot shows the potential for integrating such devices with long-distance quantum network technologies.
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