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Whispering-gallery mode based opto-electronic oscillators

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8 Author(s)
Savchenkov, A.A. ; OEwaves Inc., Pasadena, CA, USA ; Ilchenko, V.S. ; Byrd, J. ; Liang, W.
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We present our recent results related to the development of ultra-compact opto-electronic oscillators based on high-Q whispering gallery mode (WGM) resonators. These oscillators operate in X-, Ku-, and Ka-bands and are able to generate spectrally pure RF signals characterized with less than -120 dBc/Hz phase noise at 100 kHz. The floor of the phase noise (<; -140 dBc/Hz) is limited by the shot noise of the signal received at the photodiode. Both tunable and fixed frequency oscillators are demonstrated.

Published in:

Frequency Control Symposium (FCS), 2010 IEEE International

Date of Conference:

1-4 June 2010