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Updated: May 13, 2026

Quasi-light Storage for Optical Data Packets
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Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

All-optical microdisk switch using EIT.

B D Clader1, S M Hendrickson, R M Camacho

  • 1The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA. dave.clader@jhuapl.edu

Optics Express
|March 14, 2013
PubMed
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We developed a low-loss all-optical switch using electromagnetically induced transparency and the quantum Zeno effect. This novel switch offers high contrast and minimal loss, enabling efficient optical signal control.

Area of Science:

  • Quantum optics
  • Nanophotonics
  • Optical switching

Background:

  • All-optical switches are crucial for high-speed optical communication networks.
  • Existing all-optical switching technologies often suffer from high insertion loss and high power consumption.
  • Microdisk resonators offer compact platforms for light-matter interaction.

Purpose of the Study:

  • To theoretically investigate a novel low-loss all-optical switch.
  • To leverage electromagnetically induced transparency (EIT) and the quantum Zeno effect (QZE) for optical switching.
  • To demonstrate efficient control of optical signals using minimal power.

Main Methods:

  • Theoretical modeling of light-matter interaction in a microdisk resonator.
  • Utilizing a control beam to modify atomic absorption via EIT.

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Last Updated: May 13, 2026

Quasi-light Storage for Optical Data Packets
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Published on: February 6, 2014

Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice
08:57

Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice

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  • Employing the quantum Zeno effect to suppress cavity field buildup.
  • Simulating the switching behavior for weak signal beams.

    • Main Results:

    • Predicted switching contrast exceeding 35 dB.
    • Demonstrated minimal insertion loss of less than 0.1 dB.
    • Achieved efficient switching with only 2 μW of control-beam power.
    • Showcased functionality for signal beams with sub-photon intensities.

    Conclusions:

    • The proposed all-optical switch based on EIT and QZE in a microdisk resonator is highly efficient.
    • This approach offers a promising solution for low-loss, high-contrast optical switching.
    • The technology has potential applications in future optical communication and signal processing systems.