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Related Experiment Videos

Nonlinear photonic crystal microdevices for optical integration.

Marin Soljacić1, Chiyan Luo, J D Joannopoulos

  • 1Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. marin@alum.mit.edu

Optics Letters
|April 22, 2003
PubMed
Summary

A novel four-port nonlinear photonic crystal system demonstrates optical bistability with minimal backscattering. This compact, fast, and low-power system is ideal for integrated photonic devices like all-optical transistors and optical isolators.

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Area of Science:

  • Photonics
  • Nonlinear Optics
  • Materials Science

Background:

  • Photonic integrated circuits require efficient optical switching and isolation components.
  • Nonlinear photonic crystals offer unique light-matter interaction properties for device miniaturization.

Purpose of the Study:

  • To introduce and analyze a four-port nonlinear photonic crystal system.
  • To demonstrate its suitability for integrated photonic applications, focusing on optical bistability.

Main Methods:

  • Theoretical discussion of a four-port nonlinear photonic crystal system.
  • Analysis of optical bistability and backscattering characteristics.
  • Exploration of device integration potential.

Main Results:

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  • The system exhibits optical bistability with negligible backscattering.
  • Devices can achieve small volumes (O(lambda3)) and near-instantaneous response times.
  • Low power consumption (few milliwatts) is achievable.

Conclusions:

  • The proposed photonic crystal system is highly suitable for on-chip integration.
  • It enables compact, high-speed, low-power optical switching and isolation functionalities.
  • Potential applications include all-optical transistors and integrated optical isolators.