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Related Experiment Video

Updated: Jun 20, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

Switchable fiber-optic tap using the acousto-optic Bragg interaction.

B L Heffner, G S Kino, B T Khuri-Yakub

    Optics Letters
    |September 5, 2009
    PubMed
    Summary
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    Researchers developed a novel electronically switchable optical-fiber tap. This acousto-optic device uses Bragg diffraction to redirect light, offering a reversible and adjustable solution for optical signal monitoring.

    Area of Science:

    • Photonics
    • Acousto-optics
    • Optical communications

    Background:

    • Optical fiber communication systems require efficient methods for monitoring signals.
    • Existing methods for tapping optical signals can be complex or permanent.
    • A need exists for non-invasive, adjustable optical signal tapping techniques.

    Purpose of the Study:

    • To demonstrate a new type of electronically switchable optical-fiber tap.
    • To utilize acousto-optic Bragg diffraction for light redirection.
    • To create a non-damaging and reversible fiber optic tap.

    Main Methods:

    • An acoustic transducer launched an acoustic beam into a D-shaped optical fiber via Hertzian contact.
    • Acousto-optic Bragg diffraction was employed to couple light out of the fiber.

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    Fabrication and Testing of Microfluidic Optomechanical Oscillators
    09:10

    Fabrication and Testing of Microfluidic Optomechanical Oscillators

    Published on: May 29, 2014

    Writing Bragg Gratings in Multicore Fibers
    08:48

    Writing Bragg Gratings in Multicore Fibers

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  • The device's performance was characterized in terms of bandwidth and tap efficiency.

    • Main Results:

    • The demonstrated optical-fiber tap is electronically switchable.
    • The device exhibits a bandwidth greater than 1 GHz, centered at 3.5 GHz.
    • Tap efficiency is 0.01% per watt of radio frequency power.
    • The tap is non-damaging and reversible, allowing for adjustable placement.

    Conclusions:

    • A novel, electronically switchable optical-fiber tap based on acousto-optic Bragg diffraction has been successfully demonstrated.
    • The technology offers a non-invasive, reversible, and adjustable method for optical signal tapping.
    • This device has potential applications in optical signal monitoring and network management.