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Publication Detail
Optical phase locked loop (OPLL) module for use as a 9 GHz source in phased array communications antennas
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Langley LN, Elkin MD, Edge C, Wale MJ, Gliese U, Huang X, Seeds AJ
  • Publication date:
  • Pagination:
    141, 142
  • Journal:
    Proceedings of the International Topical Meeting on Microwave Photonics, MWP, Technical Digest
  • Status:
A packaged diode-laser optical phase locked loop (OPLL) sub-system is constructed for evaluation in an proof-of-concept optical beamforming system. The loop is implemented with laser diodes, micro-optics and linewidth, wide bandwidth electronics to give optimum phase noise performance. The laser diodes are designed for narrow linewidth, wide bandwidth and high FM-efficiency, whilst the main challenge in the construction of the packaged OPLL is the realization of a high gain loop, with a small propagation delay.
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