相关实验视频
Updated: Jul 16, 2025

06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
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概括
一种新的双芯片不对称的马赫-泽恩德干扰仪 (AMZI) 改进了量子密钥分配系统. 这种设计提高了制造产量,并降低了生成平衡光脉冲对的成本.
科学领域:
- 量子光学是一种量子光学.
- 综合光子学 综合光子学
背景情况:
- 不对称的马赫-泽恩德干扰仪 (AMZI) 对量子密钥分布 (QKD) 系统至关重要.
- 目前的AMZI制造可能很复杂,容易出现错误,影响产量和成本.
研究的目的:
- 提出和实验验证一种新的AMZI双芯片合结构.
- 提高制造工艺,减少制造错误,降低AMZI生产成本.
主要方法:
- 使用双芯片设计开发一个对平面光波电路AMZI.
- 可变光学分离器 (VOS) -延迟线 (DL) 部分和定向合器 (DC) 部分的独立制造.
- 独立制造的芯片组件的合.
主要成果:
- 在单光子传输下实现了平衡的光脉冲对,延迟时间为402ps.
- 测量了0.8dB的多余损失.
- 由于分开制造,证明了流程难度和制造错误的减少.
结论:
- 拟议的双芯片合结构为大量生产AMZI提供了可行的解决方案.
- 这种方法提高了制造产量,并降低了QKD系统的整体生产成本.
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