Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jun 19, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Ultrafast, all-silicon light modulator.

C C Wang, M Currie, S Alexandrou

|October 27, 2009

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Childhood-onset autosomal-dominant limb-girdle muscular dystrophy with cardiac conduction block.

Muscle & nerve·1997

Same author

Management of arteriovenous malformations: Part I.

Surgical neurology·1997

Same author

Human babesiosis in Taiwan: asymptomatic infection with a Babesia microti-like organism in a Taiwanese woman.

Journal of clinical microbiology·1997

Same author

Does DsbA have chaperone-like activity?

Archives of biochemistry and biophysics·1997

Same author

Development and validation of a particle-enhanced turbidimetric inhibition assay for urine albumin on the Dade aca analyzer.

Clinical chemistry·1997

Same author

Isolated common iliac artery occlusion secondary to atherosclerotic plaque rupture from blunt abdominal trauma: case report and review of the literature.

The Journal of trauma·1997

Researchers developed an ultrafast, all-silicon light modulator using the carrier-refraction effect. This silicon modulator achieves significant light-intensity modulation with low voltage and high bandwidth potential.

Area of Science:

Photonics
Optoelectronics
Materials Science

Background:

Silicon photonics is crucial for integrated optical circuits.
Efficient light modulation is essential for high-speed optical communication.

Purpose of the Study:

To propose an ultrafast, all-silicon light-intensity modulator.
To leverage the carrier-refraction effect for refractive index modulation.

Main Methods:

Utilizing the carrier-refraction effect in silicon.
Employing an electric-field-induced Bragg reflector on a silicon-on-insulator waveguide.
Converting refractive index modulation to light-intensity modulation.

Main Results:

A modulator with a 300-microm interaction length is expected to achieve ~40% modulation depth with a 5-V bias.

More Related Videos

High-speed Particle Image Velocimetry Near Surfaces

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors

Published on: May 30, 2016

Related Experiment Videos

Last Updated: Jun 19, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

High-speed Particle Image Velocimetry Near Surfaces

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors

Published on: May 30, 2016

The modulator's bandwidth is limited by the RC time constant, calculated to be ~40 GHz.

The device is based on free-carrier depletion for modulation.

Conclusions:

An efficient, all-silicon modulator design is presented.
The proposed device offers high modulation depth and bandwidth potential.
This technology is promising for integrated silicon photonics applications.