Monolithically integrated quantum dot optical modulator with semiconductor optical amplifier for thousand and original band optical communication

Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Atsushi Matsumoto, Tetsuya Kawanishi

    研究成果: Article査読

    2 被引用数 (Scopus)

    抄録

    A monolithically integrated quantum dot (QD) optical gain modulator (OGM) with a QD semiconductor optical amplifier (SOA) was successfully developed with T-band (1.0μm waveband) and O-band (1.3μm waveband) QD optical gain materials for Gbps-order, high-speed optical data generation. The insertion loss due to coupling between the device and the optical fiber was effectively compensated for by the SOA section. It was also confirmed that the monolithic QD-OGM/SOA device enabled >4.8 Gbps optical data generation with a clear eye opening in the T-band. Furthermore, we successfully demonstrated error-free 4.8 Gbps optical data transmissions in each of the six wavelength channels over a 10-kmlong photonic crystal fiber using the monolithic QD-OGM/SOA device in multiple O-band wavelength channels, which were generated by the single QD gain chip. These results suggest that the monolithic QD-OGM/SOA device will be advantageous in ultra-broadband optical frequency systems that utilize the T+O-band for short- and medium-range optical communications.

    本文言語English
    論文番号04EC16
    ジャーナルJapanese Journal of Applied Physics
    55
    4
    DOI
    出版ステータスPublished - 2016 4 1

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

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