在自由空间量子密钥分配中，单光子源采用具有泊松分布的高度衰减激光脉冲，量子密码术协议采用BB 84和B92协议。

Highly attenuated laser pulses with Poisson distribution are used as single-photon sources and the BB84 and B92 protocols are used for free-space quantum key distribution.

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在自由空间量子密钥分配中，单光子源采用具有泊松分布的高度衰减激光脉冲，量子密码术协议采用BB 84和B92协议。

Highly attenuated laser pulses with Poisson distribution are used as single-photon sources and the BB84 and B92 protocols are used for free-space quantum key distribution.

youdao