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Open Access Publications from the University of California

Integrated coherent receivers for high-linearity microwave photonic links

  • Author(s): Ramaswamy, Anand
  • Johansson, Leif A.
  • Klamkin, Jonathan
  • Sheldon, Colin
  • Chou, Hsu-Feng
  • Rodwell, Mark J.
  • Coldren, Larry A.
  • Bowers, John E.
  • et al.

In this paper, we present a coherent receiver based on an optical phase-locked loop (PLL) for linear phase demodulation. The receiver concept is demonstrated at low frequency. For high-frequency operation, monolithic and hybrid integrated versions of the receiver have been developed and experimentally verified in an analog link. The receiver has a bandwidth of 1.45 GHz. At 300 MHz, a spurious free dynamic range (SFDR) of 125 dB . Hz(2/3) is measured.

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