Photonic microwave quadrature filter with low phase imbalance and high signal-to-noise ratio performance

Yuan Cao, Erwin Chan, X Wang, X Feng, B Guan

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    A photonic microwave quadrature filter is presented. It has a very simple structure, very low phase imbalance, and high signal-to-noise ratio performance. Experimental results are presented that demonstrate a photonic microwave quadrature filter with a 3 dB operating frequency range of 10.5 26.5 GHz, an amplitude and phase imbalance of less than ±0.3 dB and ±0.15°, and a signal-to-noise ratio of more than 121 dB in a 1 Hz noise bandwidth. © 2015 Optical Society of America.
    Original languageEnglish
    Pages (from-to)4663-4666
    Number of pages4
    JournalOptics Letters
    Volume40
    Issue number20
    DOIs
    Publication statusPublished - 2015

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