Author:
Groman William,Kudelin Igor,Ji Qing-Xin,Guo Joel,Lee Dahyeon,Kelleher Megan,Nakamura Takuma,McLemore Charles A.,Jin Warren,Wu Lue,Zhang Wei,Campbell Joe,Matsko Andrey,Iltchenko Vladimir,Bowers John,Vahala Kerry,Quinlan Frank,Diddams Scott A.
Abstract
Using photonic chip components and two-point optical frequency division, we generate a 20 GHz microwave signal with phase noise of −135 dBc/Hz at 10 kHz offset, decreasing to −139 dBc/Hz at 40 kHz offset.