Suppression of amplitude-to-phase noise conversion in balanced optical-microwave phase detectors
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We demonstrate an amplitude-to-phase (AM-PM) conversion coefficient for a balanced optical-microwave phase detector (BOM-PD) of 0.001 rad, corresponding to AM-PM induced phase noise 60 dB below the single-sideband relative intensity noise of the laser. This enables us to generate 8 GHz microwave signals from a commercial Er-fibre comb with a single-sideband residual phase noise of -131 dBc Hz(-1) at 1 Hz offset frequency and -148 dBc Hz(-1) at 1 kHz offset frequency. (C) 2013 Optical Society of America
Lessing , M , Margolis , H S , Brown , C T A , Gill , P & Marra , G 2013 , ' Suppression of amplitude-to-phase noise conversion in balanced optical-microwave phase detectors ' , Optics Express , vol. 21 , no. 22 , pp. 27057-27062 . https://doi.org/10.1364/OE.21.027057
© 2013 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-1-1077. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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