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Related Experiment Video

Updated: May 7, 2026

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
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Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

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Synchronized photonic modulators driven by surface acoustic waves.

A Crespo-Poveda, R Hey, K Biermann

    Optics Express
    |October 10, 2013
    PubMed
    Summary
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    Researchers developed a tunable photonic modulator using (Al,Ga)As. This device, driven by GHz surface acoustic waves, enables frequency manipulation for integrated photonics applications.

    Area of Science:

    • Integrated photonics
    • Semiconductor device physics

    Background:

    • Photonic modulators are crucial components in integrated photonics.
    • Existing modulators face limitations in tunability and frequency control.

    Purpose of the Study:

    • To design, fabricate, and characterize a novel tunable photonic modulator.
    • To explore the use of surface acoustic waves for frequency control in modulators.
    • To demonstrate the device's potential as a building block for complex photonic circuits.

    Main Methods:

    • Fabrication of a photonic modulator on an (Al,Ga)As material platform.
    • Utilizing GHz surface acoustic waves to drive the modulator.
    • Characterization of modulator performance, including frequency tunability.
    • Comparison of experimental results with theoretical predictions.

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    Last Updated: May 7, 2026

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    Main Results:

    • Successful design, fabrication, and characterization of a tunable photonic modulator.
    • Demonstration of frequency manipulation using surface acoustic waves, including odd multiples of the fundamental frequency.
    • Good agreement observed between theoretical models and experimental outcomes.
    • The device exhibits tunability by adjusting acoustic power.

    Conclusions:

    • The developed (Al,Ga)As photonic modulator offers tunable frequency operation.
    • Surface acoustic wave driving provides effective control over modulation frequencies.
    • The device serves as a versatile building block for advanced integrated photonic systems.
    • Potential for implementation across various material platforms.