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Related Experiment Video

Updated: May 7, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

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Linearized silicon modulator based on a ring assisted Mach Zehnder inteferometer.

Jaime Cardenas, Paul A Morton, Jacob B Khurgin

    Optics Express
    |October 10, 2013
    PubMed
    Summary
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    We developed a novel Linearized Ring Assisted Mach-Zehnder Interferometer (L-RAMZI) modulator on a silicon chip. This device achieves unprecedented linearization, crucial for high-performance optical communication systems.

    Area of Science:

    • Photonics
    • Integrated Optics
    • Silicon Photonics

    Background:

    • Linearity is critical for high-fidelity signal transmission in optical modulators.
    • Existing silicon modulators often struggle to achieve sufficient linearity, limiting their application in advanced communication systems.
    • Ring-assisted Mach-Zehnder interferometers offer a potential pathway to enhanced modulator performance.

    Purpose of the Study:

    • To demonstrate a novel Linearized Ring Assisted Mach-Zehnder Interferometer (L-RAMZI) modulator.
    • To achieve a record high degree of linearization in a miniature silicon photonic device.
    • To evaluate the spurious-free dynamic range (SFDR) of the L-RAMZI modulator at different frequencies.

    Main Methods:

    • Fabrication of a miniature silicon L-RAMZI modulator.

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  • Characterization of the modulator's performance, focusing on linearity.
  • Measurement of the Spurious Free Dynamic Range (SFDR) at 1 GHz and 10 GHz.

    • Main Results:

    • Successful demonstration of a silicon L-RAMZI modulator.
    • Achieved a record high degree of linearization for a silicon device.
    • Measured SFDR of 106 dB/Hz²/³ at 1 GHz and 99 dB/Hz²/³ at 10 GHz.

    Conclusions:

    • The L-RAMZI modulator represents a significant advancement in silicon photonics linearity.
    • This technology holds promise for next-generation optical communication systems requiring high dynamic range.
    • The achieved SFDR values surpass previous benchmarks for silicon-based modulators.