论文标题
用真正的局部振荡器测量的40公里纤维传输挤压光
40 km Fiber Transmission of Squeezed Light Measured with a Real Local Oscillator
论文作者
论文摘要
我们使用本地生成的本地振荡器的实时相控制（通常称为“真实的本地振荡器”或“本地振荡器”），证明了1550 nm处的单模挤压光状态的生成，并在1550 nm处挤压光状态。该系统能够稳定地测量约3.7 dB的噪声抑制，而相位噪声不确定性约为2.5 $^\ Circ $，仅使用标准电信兼容组件和一个现场可编程的门阵列（FPGA）。实施方案的紧凑性，低度的复杂性和功效使其成为未来光子量子网络中长距离量子通信的相关候选者。
We demonstrate the generation, 40 km fiber transmission, and homodyne detection of single-mode squeezed states of light at 1550 nm using real-time phase control of a locally generated local oscillator, often called a "real local oscillator" or "local local oscillator". The system was able to stably measure up to around 3.7 dB of noise suppression with a phase noise uncertainty of around 2.5$^\circ$, using only standard telecom-compatible components and a field-programmable gate array (FPGA). The compactness, low degree of complexity and efficacy of the implemented scheme makes it a relevant candidate for long distance quantum communication in future photonic quantum networks.
