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Related Experiment Video

Updated: May 3, 2026

Quasi-light Storage for Optical Data Packets
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Optical frequency comb based multi-band microwave frequency conversion for satellite applications.

Xinwu Yang, Kun Xu, Jie Yin

    Optics Express
    |February 12, 2014
    PubMed
    Summary

    This study introduces an efficient optical frequency comb (OFC) based scheme for flexible multi-band frequency conversion in satellite repeaters. The novel approach enables simultaneous inter- and intra-band conversion with minimal degradation, proving effective across a wide input power range.

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    Area of Science:

    • Photonics and Optical Engineering
    • Satellite Communications Technology
    • Signal Processing

    Background:

    • Satellite communication systems require efficient frequency conversion for multi-band operations.
    • Traditional frequency conversion methods can be complex and inflexible.
    • Optical frequency combs (OFCs) offer a powerful tool for precise frequency generation and manipulation.

    Purpose of the Study:

    • To propose and demonstrate an efficient and flexible multi-band frequency conversion scheme for satellite repeaters using optical frequency combs.
    • To enable simultaneous inter- and intra-band frequency conversion within a single structure.
    • To generate multiple local oscillators (LOs) for wide distribution.

    Main Methods:

    • Mixing dual coherent optical frequency combs (OFCs), where one OFC carries the input signal.
    • Optically channelizing the mixed OFCs to separate converted signals into different bands.
    • Configuring the scheme to generate multi-band local oscillators (LOs).
    • Utilizing only three frequency-fixed microwave sources.

    Main Results:

    • A proof-of-concept experiment successfully generated multiple LOs at 2 GHz, 10 GHz, 18 GHz, and 26 GHz.
    • A 6.1 GHz C-band input signal was converted to 4.1 GHz (C-band), 3.9 GHz (C-band), and 11.9 GHz (X-band).
    • The scheme exhibited a minor 9.3% error vector magnitude (EVM) degradation compared to back-to-back measurements.
    • All output channels met EVM limits over a broad input power range.

    Conclusions:

    • The proposed OFC-based scheme provides an efficient and flexible solution for multi-band frequency conversion in satellite repeaters.
    • The method allows for simultaneous inter- and intra-band conversion with high performance.
    • The demonstrated scheme is robust and meets stringent EVM requirements for satellite applications.