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 Concept Videos

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

865
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
865
Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

215
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
215
Biasing of P-N Junction01:16

Biasing of P-N Junction

422
The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
422

You might also read

Related Articles

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

Sort by
Same author

Targeting the GLIS1/DNMT3B-mediated DNA Methylation of HOXA9 to Suppress Metastasis in Lung Adenocarcinoma.

Molecular and cellular biochemistry·2026
Same author

c-Met-targeted NIR-II imaging for precision management of oral squamous cell carcinoma and premalignant lesions.

Theranostics·2026
Same author

Multi-omics analysis of kidney renal cell carcinoma in silico with preliminary <i>in vivo</i> validation.

Frontiers in immunology·2026
Same author

Integrative multi-omics analysis-based Mendelian randomization identifies association of DNA repair-related genes with oral cancer.

Cancer biomarkers : section A of Disease markers·2026
Same author

Pan-cancer spatial atlas of tertiary lymphoid structures.

Science (New York, N.Y.)·2026
Same author

Research Progress in the Detoxification and Resource Utilization of Chromium Slag: Recovery Technologies, Large-Scale Utilization, and Emerging Challenges-A Review.

Materials (Basel, Switzerland)·2026

Related Experiment Video

Updated: Jun 5, 2025

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

18.9K

Topological valley-locked waveguides with C4 impurity.

Hongxiang Zhang1, Rensheng Xie2, Xiaofeng Tao3

  • 1Key Laboratory of Polar Materials and Devices, Department of Electronic Sciences, School of Physics and Electronic Sciences, East China Normal University, Shanghai 200241, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed novel topological valley-locked waveguides using heterostructures. A C4 impurity acts as a switch, controlling light transmission for integrated photonic networks.

Keywords:
C4 impuritycoding channelsenergy concentratorsheterostructurevalley-locked waveguides

More Related Videos

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

7.9K
Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

2.2K

Related Experiment Videos

Last Updated: Jun 5, 2025

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

18.9K
Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

7.9K
Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

2.2K

Area of Science:

  • Topological photonics
  • Condensed matter physics
  • Materials science

Background:

  • Heterostructures are key for designing valley-locked waveguides.
  • Topological photonic crystals (VPCs) enable manipulation of light propagation.
  • Valley-locking confines light to specific paths, crucial for photonic devices.

Purpose of the Study:

  • To demonstrate extension of topological guided modes into trivial VPCs.
  • To introduce a C4 impurity for controlling light transmission in topological valley-locked waveguides.
  • To explore applications in on-chip integrated photonic networks.

Main Methods:

  • Utilizing heterostructures to design valley-locked waveguides.
  • Introducing a C4 impurity to induce intervalley scattering in Quantum Valley Spin Hall topological insulators.
  • Demonstrating control of light transmission by rotating the C4 structure.

Main Results:

  • Topological guided modes successfully extended from nontrivial to trivial VPCs.
  • A C4 impurity enabled ON/OFF switching of valley-locked waveguides via rotation.
  • Demonstrated potential for coding channels and energy concentrators.

Conclusions:

  • The proposed C4 impurity acts as an effective switch for topological valley-locked waveguides.
  • This design facilitates control over light wave transmission in photonic integrated circuits.
  • The findings pave the way for advanced on-chip photonic networks.