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摘要:
High-precision time transfer plays an important role in the areas of fundamental research and applications. Accompanying w ith the remarkable improvements in the ability of generating and measuring high-accuracy time-frequency signal,seeking for new time-transfer techniques betw een distant clocks w ith much further improved accuracy attracts attentions w orld-w idely. The time-transfer technique based on optical pulses has the highest precision presently,and the further improvement in the accuracy is heavily dependent on the time-domain properties of the pulse as w ell as the sensitivity of the applied measurement on the exchanged pulse. The application of optical frequency comb in time transfer for a precision up to femtosecond level are currently the focus of much interest,and has recently achieved many breakthroughs. Further investigations show that,utilizing quantum techniques,i.e. quantum measurement technique and quantum optical pulse source,can lead to a new limit on the measured timing information. Furthermore,it can be immune from atmospheric parameters,such as pressure,temperature,humidity and so on.Such quantum improvements on time-transfer have a bright prospect in the future applications requiring extremely high-accuracy timing and ranging. The potential achievements w ill form a technical basis for the future realization of sub-femtosecond time transfer system.
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篇名 New research trends on high-precision time transfer technology
来源期刊 仪器仪表学报:英文版 学科 工学
关键词 HIGH-PRECISION time transfer QUANTUM improvement PULSE SHAPING QUANTUM FREQUENCY COMB
年,卷(期) 2015,(4) 所属期刊栏目
研究方向 页码范围 3-15
页数 13页 分类号 TM935.1
字数 语种
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研究主题发展历程
节点文献
HIGH-PRECISION
time
transfer
QUANTUM
improvement
PULSE
SHAPING
QUANTUM
FREQUENCY
COMB
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
仪器仪表学报:英文版
季刊
2095-7521
10-1206/TH
北京市
出版文献量(篇)
134
总下载数(次)
0
总被引数(次)
0
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