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Related Experiment Video

Updated: Jun 2, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

1.9 Tbps receiver optical subassembly based on LAN-WDM hybrid integration.

Song Huang, Yue Wang, Liangliang Wang

    Optics Express
    |February 20, 2026
    PubMed
    Summary

    A novel, low-cost hybrid-integrated receiver optical subassembly (ROSA) achieves 1.9 Tb/s using O-band arrayed waveguide grating technology. This enables high-speed data transmission for local-area networks (LAN-WDM).

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    Area of Science:

    • Photonics and Optical Engineering
    • Telecommunications Technology
    • Integrated Optics

    Background:

    • Advancements in high-speed data transmission are crucial for local-area networks (LAN-WDM).
    • Existing receiver optical subassemblies (ROSAs) face challenges in cost-effectiveness and integration for higher data rates.

    Purpose of the Study:

    • To develop a low-cost, hybrid-integrated ROSA for high-capacity LAN-WDM systems.
    • To achieve an aggregate data rate exceeding 1.6 Tb/s using O-band technology.

    Main Methods:

    • Utilized an O-band arrayed waveguide grating (AWG) demultiplexer integrated with a photodetector (PD) array.
    • Implemented vertical coupling via a 41° polished AWG output facet for efficient light transfer.
    • Designed a flexible printed circuit (FPC) board with 16 coplanar waveguides (CPWs) for RF signal and power delivery.

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    Last Updated: Jun 2, 2026

    Quasi-light Storage for Optical Data Packets
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    Published on: February 6, 2014

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    Generation and Coherent Control of Pulsed Quantum Frequency Combs

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    Main Results:

    • Achieved a maximum coupling efficiency of 88.4% between the AWG and PD array.
    • Demonstrated receiver sensitivities better than -7.3 dBm across all lanes.
    • Successfully transmitted a single-channel 60-GBaud four-level pulse-amplitude modulation (PAM-4) signal per lane.

    Conclusions:

    • The developed hybrid-integrated ROSA enables an aggregate data rate of 1.9 Tb/s, surpassing the 1.6-TbE target.
    • This technology offers a cost-effective solution for next-generation high-speed local-area networks.
    • The vertical coupling and FPC integration demonstrate efficient design for high-frequency signal handling.