期刊
OPTICS LETTERS
卷 44, 期 7, 页码 1781-1784出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.44.001781
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资金
- Russian Foundation for Basic Research (RFBR) [16-52-12045]
- Deutsche Forschungsgemeinschaft (DFG) [ME 3648/1-3, CRC 1227]
- Horizon 2020 Framework Programme (H2020) from the EMPIR programme [15SIB03 OC18]
We present a Nd:YAG ultra-stable laser system operating at 946 nm and demonstrate a fractional frequency instability of 1.1 x 10(-16) at 1 s by pre-stabilizing it to a 30-cm-long ULE cavity at room temperature. All key analog components have been replaced by FPGA-based digital electronics. To reach an instability below the 10(-16) level, we transfer the stability of a 1542 nm laser stabilized to a cryogenic silicon cavity exhibiting a fractional frequency instability of 4 x 10(-17) at 1 s to the laser at 946 nm. (C) 2019 Optical Society of America
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