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Related Experiment Video

Updated: May 21, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Large optical spectral range dispersion engineered silicon-based photonic crystal waveguide modulator.

Amir Hosseini1, Xiaochuan Xu, Harish Subbaraman

  • 1Omega Optics, Inc, 10306 Sausalito Dr, Austin, TX 78759, USA. amirh@utexas.edu

Optics Express
|June 21, 2012
PubMed
Summary

We demonstrate a silicon photonic crystal waveguide modulator with low-dispersion slow light, achieving a record low V(π) × L figure of merit for efficient optical modulation. This advancement enables high-performance optical communication devices.

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Area of Science:

  • Photonics
  • Materials Science
  • Electrical Engineering

Background:

  • Photonic crystal waveguides offer unique light manipulation properties.
  • Slow light phenomena can enhance light-matter interactions for modulators.
  • Dispersion engineering is crucial for broadband device operation.

Purpose of the Study:

  • To develop and characterize a dispersion-engineered slow light silicon-based photonic crystal waveguide PIN modulator.
  • To investigate the modulator's figure of merit (V(π) × L) across its operational bandwidth.
  • To demonstrate efficient large-signal operation at high frequencies.

Main Methods:

  • Fabrication of a silicon-based photonic crystal waveguide.
  • Experimental confirmation of low-dispersion slow light transmission.

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Last Updated: May 21, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

  • Measurement of V(π) × L as a function of optical carrier wavelength.
  • Device testing at 2 GHz.

    • Main Results:

    • Achieved low-dispersion slow light transmission over an 18 nm bandwidth with a group index of 26.5.
    • Demonstrated a record low maximum V(π) × L of 0.0464 V·mm over the low-dispersion spectral range.
    • Confirmed device operation at 2 GHz.

    Conclusions:

    • The dispersion-engineered slow light silicon photonic crystal waveguide modulator exhibits excellent performance.
    • The demonstrated low V(π) × L is a significant advancement for optical modulation.
    • The device shows promise for high-speed optical communication applications.