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Related Experiment Video

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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Photonic ring counter using batch-fabricated symmetric self-electro-optic-effect devices.

A L Lentine, L M Chirovsky, L A D'Asaro

    Optics Letters
    |September 24, 2009
    PubMed
    Summary

    This study presents a photonic ring counter using self-electrooptic-effect devices, achieving high bit rates of 12.5 Mbits/sec and 50 Mbits/sec. The demonstrated cascadability and low power consumption pave the way for efficient optical computing. Keywords: photonic ring counter, self-electrooptic-effect devices, optical computing, high bit rate.

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    Area of Science:

    • Optoelectronics
    • Photonics
    • Integrated Optics

    Background:

    • Self-electrooptic-effect (SEEO) devices are crucial for optical information processing.
    • Cascadability of SEEO devices is essential for building complex optical circuits.
    • Previous research has focused on improving the speed and efficiency of SEEO devices.

    Purpose of the Study:

    • To demonstrate a photonic ring counter utilizing batch-fabricated SEEO devices.
    • To evaluate the cascadability and bit rate performance of these devices.
    • To assess the system switching speeds in relation to device switching energies.

    Main Methods:

    • Fabrication of symmetric self-electrooptic-effect devices.
    • Integration of devices into a photonic ring counter architecture.

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  • Testing device performance at conventional operation and as optical signal sense amplifiers.
  • Measurement of laser power incident on devices and system switching speeds.

    • Main Results:

    • Demonstrated cascadability of batch-fabricated SEEO devices in a photonic ring counter.
    • Achieved a bit rate of 12.5 Mbits/sec for conventional operation.
    • Reached a bit rate of 50 Mbits/sec when devices operated as optical signal sense amplifiers.
    • Observed low average laser power consumption (<1 mW per device).
    • System switching speeds closely matched calculated speeds based on measured switching energies.

    Conclusions:

    • The photonic ring counter effectively demonstrates the cascadability of SEEO devices.
    • High bit rates are achievable with low optical power, indicating efficient operation.
    • The results validate the performance predictions based on device switching energies, supporting practical applications.