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用于超快电子产品的纳米塑料支持的皮秒开关
Mohammad Samizadeh Nikoo1, Armin Jafari1, Nirmana Perera1
1Power and Wide-band-gap Electronics Research Laboratory (POWERlab), Institute of Electrical Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
Nature
|March 28, 2020
概括
研究人员开发了一种用于超快信号切换的新型纳米等离子体 (纳米等离子体) 电子切换器. 这种纳米塑料装置实现了比秒转换速度, 显著超过传统的高功率太赫兹信号生成晶体管.
科学领域:
- 固态电子设备
- 纳米级等离子器件
- 超快的电子设备
背景情况:
- 超宽带信号和太赫兹波在量子测量,成像,传感,生物治疗和通信方面具有多种应用.
- 高速电子开关对于这些应用至关重要,但像场效应和双极结晶体管这样的传统设备受到输出电容的限制.
- 现有的技术难以满足先进电子系统所需的高速,高振幅信号切换的需求.
研究的目的:
- 展示一种全新的芯片上电子设备,使用纳米级等离子体 (纳米等离子体) 进行超快的信号切换.
- 通过高振幅输出信号实现皮秒开关速度,克服传统电子开关的局限性.
- 探索纳米等离子体设备在高功率特拉赫兹信号产生和集成到各种应用中的潜力.
主要方法:
- 基于纳米等离子体的全电子芯片设备的开发.
- 在纳米塑料中的高电场下切换速度和上升时间的表征.
- 纳米等离子开关与双极天线的集成用于太赫兹信号发射.
主要成果:
- 实现超快的切换速度超过10伏/皮秒,比现场效应晶体管和传统切换器快得多.
- 测量了极短的上升时间,低至五个皮秒,受到测量设置的限制.
- 通过将纳米质交换机与天线集成,产生高功率的特拉赫兹信号,功率频率权衡为600毫瓦特特拉赫兹平方.
结论:
- 展示的纳米塑料开关提供了前所未有的皮秒开关速度和高功率的太赫兹信号生成能力.
- 设备的紧性和易于集成为成像,传感,通信和生物医学领域的进步铺平了道路.
- 纳米塑料技术代表了超快电子技术的重大飞跃,
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