Enhanced dynamic range in a directly modulated analog photonic link

D.A.I. Marpaung, C.G.H. Roeloffzen, Wim van Etten

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    Abstract

    We demonstrate a directly modulated analog photonic link (APL) capable of a high multioctave spurious-free dynamic range (SFDR). The APL consists of a pair of laser diodes, modulated in a push–pull manner, and a balanced photodetector aiming at suppressing the second-order intermodulation distortion (IMD2). In a wide frequency range of 600 MHz (2.60–3.20 GHz), an IMD2 suppression as high as 23 dB and an improvement of 5 18 dB of the second-order SFDR, relative to a conventional single arm photonic link, have been achieved. In this frequency range, the APL SFDR is in excess of 116 dB Hz蚠 _.
    Original languageUndefined
    Article number10.1109/LPT.2009.2033811
    Pages (from-to)810-812
    Number of pages3
    JournalIEEE photonics technology letters
    Volume21
    Issue number24
    DOIs
    Publication statusPublished - 15 Dec 2009

    Keywords

    • IR-68627
    • METIS-264175
    • EWI-16573

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