Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Apr 28, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

14.4K

Low-Power consumption Franz-Keldysh effect plasmonic modulator.

N Abadía, T Bernadin, P Chaisakul

    Optics Express
    |June 13, 2014
    PubMed
    Summary

    This study presents a low-energy plasmonic modulator using the Franz-Keldysh effect in germanium on silicon. It achieves a 3.3 dB extinction ratio with minimal energy consumption, paving the way for efficient optical communication.

    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

    In Mayotte French department, hepatitis A is still endemic.

    Transactions of the Royal Society of Tropical Medicine and Hygiene·2026
    Same author

    Effects of 17α-ethinylestradiol on the neuroendocrine gonadotropic system and behavior of European sea bass larvae (<i>Dicentrarchus labrax</i>).

    Journal of toxicology and environmental health. Part A·2023
    Same author

    Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics.

    Optics express·2022
    Same author

    Revisiting the Fabry-Perot reflectivity method for mid-infrared optical index measurement: case study of InGaAs, AlInAs, and InP.

    Applied optics·2022
    Same author

    DAC-less PAM-4 generation in the O-band using a silicon Mach-Zehnder modulator.

    Optics express·2019
    Same author

    Ultra-wideband Ge-rich silicon germanium mid-infrared polarization rotator with mode hybridization flattening.

    Optics express·2019

    Area of Science:

    • Photonics and optoelectronics
    • Materials science
    • Semiconductor device physics

    Background:

    • Plasmonic modulators are crucial for high-speed optical communication.
    • Germanium-on-silicon (Ge-Si) offers CMOS compatibility for integrated photonics.
    • Low energy consumption is a key challenge in modern optical modulators.

    Purpose of the Study:

    • To develop a CMOS-compatible plasmonic modulator with low energy consumption.
    • To leverage the Franz-Keldysh effect in germanium for modulation.
    • To optimize modulator characteristics through electro-optical simulations.

    Main Methods:

    • Utilized the Franz-Keldysh effect in germanium on silicon.
    • Performed integrated electro-optical simulations for optimization.

    More Related Videos

    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
    10:33

    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

    Published on: February 27, 2019

    7.8K
    Trapping of Micro Particles in Nanoplasmonic Optical Lattice
    07:20

    Trapping of Micro Particles in Nanoplasmonic Optical Lattice

    Published on: September 5, 2017

    6.3K

    Related Experiment Videos

    Last Updated: Apr 28, 2026

    Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
    10:54

    Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

    Published on: July 8, 2013

    14.4K
    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
    10:33

    An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

    Published on: February 27, 2019

    7.8K
    Trapping of Micro Particles in Nanoplasmonic Optical Lattice
    07:20

    Trapping of Micro Particles in Nanoplasmonic Optical Lattice

    Published on: September 5, 2017

    6.3K
  • Fabricated and tested a 30 µm long plasmonic modulator.

    • Main Results:

    • Achieved a 3.3 dB extinction ratio at 1647 nm wavelength.
    • Operated the modulator under a 3 V bias voltage.
    • Demonstrated ultra-low energy consumption of 20 fJ/bit.

    Conclusions:

    • The developed germanium-on-silicon plasmonic modulator offers a promising solution for energy-efficient optical communication.
    • CMOS compatibility and low power consumption are key advantages.
    • The Franz-Keldysh effect in Ge-Si is effective for high-performance modulation.