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Femtosecond-laser-based optical clockwork with instability</= less than or equal to 6.3 X 10(-16) in 1 s |
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| Authors: | Diddams Scott A Hollberg L Ma Long-Sheng Robertsson Lennart |
| Abstract: | Two octave-spanning optical-frequency combs (750-MHz comb spacing) are phase locked to a common continuous-wave laser diode. The measured instability of the heterodyne beat between the two combs demonstrates that the intrinsic fractional frequency noise of a comb is |
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