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Related Experiment Video

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Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Energy-efficient on-chip optical diode based on the optomechanical effect.

Huaqing Qiu, Jianji Dong, Li Liu

    Optics Express
    |April 26, 2017
    PubMed
    Summary
    This summary is machine-generated.

    We developed an energy-efficient optical diode using optomechanics. This device allows forward signal transmission while blocking backward signals, achieving a 12.7 dB nonreciprocal transmission ratio.

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    Area of Science:

    • Photonics
    • Optomechanics
    • Nanotechnology

    Background:

    • Optical diodes are crucial for preventing signal reflection in photonic circuits.
    • Existing optical diodes often suffer from low efficiency or complex fabrication.

    Purpose of the Study:

    • To propose and demonstrate an energy-efficient optical diode.
    • To leverage the optomechanical effect for nonreciprocal light transmission.

    Main Methods:

    • Utilized an asymmetric silicon microring resonator (MRR).
    • Employed the optomechanical effect to induce asymmetric transmission.
    • Experimentally validated the device performance with low input power (4.0 mW).

    Main Results:

    • Achieved a maximum resonance red-shift of 0.74 nm.
    • Demonstrated a forward-backward nonreciprocal transmission ratio (NTR) of 12.7 dB.
    • Obtained 10-dB and 5-dB operation bandwidths of 0.08 nm and 0.24 nm, respectively.

    Conclusions:

    • The proposed optomechanical optical diode is energy-efficient and effective.
    • The device exhibits significant nonreciprocal transmission.
    • Operating bandwidth can be tuned by adjusting input power.