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Photonic microwave generation with high-power photodiodes



Tara M. Fortier, Franklyn J. Quinlan, Archita Hati, Craig W. Nelson, Jennifer A. Taylor, Yang Fu, Joe Campbell, Scott A. Diddams


We utilize and characterize high-power, high-linearity modified uni-traveling carrier (MUTC) photodiodes for low-phase-noise photonic microwave generation based on optical frequency division. When illuminated with 980 nm picosecond pulses from a repetition-rate-multiplied GHz Ti:sapphire modelocked laser we achieve 10 GHz signal strengths up to +14 dBm. Using these photodiodes, we generate a 10 GHz microwave tone with less than 500 attoseconds absolute integrated timing jitter (1 Hz - 10 MHz) and a record-low noise floor of -177 dBc/Hz. We also present a characterization of the electrical response, amplitude-to-phase conversion, saturation and residual noise of the MUTC photodiodes.
Optics Letters


high stability optica reference, low noise microwave generation, microwave photonics, optical frequency comb


Fortier, T. , Quinlan, F. , Hati, A. , Nelson, C. , Taylor, J. , Fu, Y. , Campbell, J. and Diddams, S. (2013), Photonic microwave generation with high-power photodiodes, Optics Letters (Accessed November 28, 2023)
Created May 14, 2013, Updated February 19, 2017