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Differential phase-diversity electrooptic modulator for cancellation of fiber dispersion and laser noise

Author

Listed:
  • Ehsan Ordouie

    (University of Central Florida)

  • Tianwei Jiang

    (University of California, Los Angeles
    Beijing University of Posts and Telecommunications)

  • Tingyi Zhou

    (University of California, Los Angeles)

  • Farzaneh A. Juneghani

    (University of Central Florida)

  • Mahdi Eshaghi

    (University of Central Florida)

  • Milad G. Vazimali

    (University of Central Florida)

  • Sasan Fathpour

    (University of Central Florida
    University of Central Florida)

  • Bahram Jalali

    (University of California, Los Angeles)

Abstract

Bandwidth and noise are fundamental considerations in all communication and signal processing systems. The group-velocity dispersion of optical fibers creates nulls in their frequency response, limiting the bandwidth and hence the temporal response of communication and signal processing systems. Intensity noise is often the dominant optical noise source for semiconductor lasers in data communication. In this paper, we propose and demonstrate a class of electrooptic modulators that is capable of mitigating both of these problems. The modulator, fabricated in thin-film lithium niobate, simultaneously achieves phase diversity and differential operations. The former compensates for the fiber’s dispersion penalty, while the latter overcomes intensity noise and other common mode fluctuations. Applications of the so-called four-phase electrooptic modulator in time-stretch data acquisition and in optical communication are demonstrated.

Suggested Citation

  • Ehsan Ordouie & Tianwei Jiang & Tingyi Zhou & Farzaneh A. Juneghani & Mahdi Eshaghi & Milad G. Vazimali & Sasan Fathpour & Bahram Jalali, 2023. "Differential phase-diversity electrooptic modulator for cancellation of fiber dispersion and laser noise," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41772-y
    DOI: 10.1038/s41467-023-41772-y
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    References listed on IDEAS

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    1. Dylan Renaud & Daniel Rimoli Assumpcao & Graham Joe & Amirhassan Shams-Ansari & Di Zhu & Yaowen Hu & Neil Sinclair & Marko Loncar, 2023. "Sub-1 Volt and high-bandwidth visible to near-infrared electro-optic modulators," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Christian Haffner & Daniel Chelladurai & Yuriy Fedoryshyn & Arne Josten & Benedikt Baeuerle & Wolfgang Heni & Tatsuhiko Watanabe & Tong Cui & Bojun Cheng & Soham Saha & Delwin L. Elder & Larry. R. Dal, 2018. "Low-loss plasmon-assisted electro-optic modulator," Nature, Nature, vol. 556(7702), pages 483-486, April.
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