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

Sinusoidal Sources01:18

Sinusoidal Sources

1.1K
Direct current (DC) refers to an electric current that flows in a single direction, maintaining a constant polarity. This is in contrast to alternating current (AC), which periodically changes its direction and magnitude. AC forms the backbone of modern electricity transmission and distribution systems due to its efficient long-distance transmission capabilities.
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
1.1K
Source Transformation01:15

Source Transformation

11.2K
Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
It is essential to note that when...
11.2K
AC Sources01:20

AC Sources

4.0K
Direct current is a flow of electric charge in only one direction and has a steady state of constant voltage in the circuit. Rectifiers, batteries, commutator-equipped generators, and fuel cells are some examples of devices that generate direct current. Nowadays, most applications use a time-varying voltage source. Alternating current is a flow of electric charge that periodically reverses direction. An alternating current is produced by an alternating emf that is generated in a power plant. If...
4.0K
Sources of Law01:26

Sources of Law

1.8K
Laws form the essential rules set by governing authorities to shape and control societal behavior. In nursing, laws guide actions, safeguard patient rights, define nurses' scope of practice, and maintain professional standards. Understanding the legal framework governing nursing involves recognizing four primary sources of law: constitutional, statutory, administrative (regulatory), and common law.
Constitutional law is foundational, deriving from federal and state constitutions, and...
1.8K
Independent and Dependent Sources01:18

Independent and Dependent Sources

2.5K
In electrical circuits, sources play a crucial role in providing power for the operation of the circuit. These sources can be broadly categorized into two types: independent and dependent.
Independent voltage or current sources supply a fixed amount of voltage or current, respectively, which is unaffected by other elements within the circuit. These are represented using specific symbols. Independent voltage sources are symbolized with polarities (+ and -), indicating the direction of the...
2.5K
RC Circuit without Source01:16

RC Circuit without Source

2.4K
When a DC source is abruptly disconnected from an RC (Resistor-Capacitor) circuit, the circuit becomes source-free. Assuming that the capacitor was fully charged before the source was removed, its initial voltage, denoted as V0, can be considered as the initial energy that stimulates the circuit.
Applying Kirchhoff's current law at the top node of the circuit and substituting the current values across the components, a first-order differential equation is obtained. By rearranging the terms...
2.4K

You might also read

Related Articles

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

Sort by
Same author

Autonomous Microrobots for Spatiotemporally Active Therapeutic Delivery and Controlled Release.

Cyborg and bionic systems (Washington, D.C.)·2026
Same author

From End Group to Tunable Comonomer: Sustainable Upcycling of Waste PET Into High-Value Added Copolyesters via a Controlled One-Pot Transesterification Process.

ChemSusChem·2026
Same author

Reprogramming hydrogen-bonding networks at the solvent-polymer interface for mixed polyester waste depolymerization with high selectivity.

Journal of hazardous materials·2026
Same author

Precision-Guarded Graph-Text Alignment for Universal Chemical Understanding.

Journal of chemical information and modeling·2026
Same author

MoS<sub>2</sub> Heterojunction-Based Gas Sensor Platform Enables Real-Time Detection of Sarin at Room Temperature via Strong Adsorption and Enhanced Charge Transfer.

ACS sensors·2026
Same author

Breaking the trade-off with ordered nanochannels for highly effective osmotic energy conversion.

Nanoscale·2026

Related Experiment Video

Updated: Jan 22, 2026

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

8.8K

Harnessing graphene-hBN hyperstructure for single-photon sources.

Muhammad Imran, Huaping Wang, Yuyu Jiang

    Optics Express
    |June 30, 2019
    PubMed
    Summary

    This study introduces a novel graphene-hexagonal boron nitride (hBN) hyperstructure for efficient light extraction from single-photon sources. The design leverages optical topological transitions to enhance power extraction and enable tunable frequencies without complex microfabrication.

    More Related Videos

    Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
    07:51

    Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

    Published on: February 1, 2022

    3.8K
    Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
    10:23

    Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

    Published on: November 5, 2015

    14.5K

    Related Experiment Videos

    Last Updated: Jan 22, 2026

    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

    8.8K
    Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
    07:51

    Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

    Published on: February 1, 2022

    3.8K
    Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
    10:23

    Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

    Published on: November 5, 2015

    14.5K

    Area of Science:

    • Quantum Optics
    • Materials Science
    • Nanophotonics

    Background:

    • Efficient light extraction from quantum emitters is crucial for practical single-photon sources.
    • Current methods face challenges in balancing emission efficiency and light extraction.

    Purpose of the Study:

    • To engineer quantum emitter emission using optical topological transitions in a graphene-hBN hyperstructure.
    • To achieve preferential power extraction and tunable frequencies for single-photon sources.

    Main Methods:

    • Design and simulation of a graphene-hBN hyperstructure.
    • Exploiting optical topological transitions from closed (ellipsoid) to open (hyperboloid) isofrequency surfaces.
    • Tuning graphene's chemical potential to control spontaneous emission and extraction.

    Main Results:

    • Demonstrated tunability of spontaneous emission and enhanced light extraction.
    • Achieved preferential power extraction during optical topological transitions.
    • Confirmed the hyperbolic properties of hBN and tunable behavior of graphene via simulations.

    Conclusions:

    • The designed graphene-hBN hyperstructure effectively enhances light extraction from quantum emitters.
    • This approach offers a pathway to practical, tunable single-photon sources with simplified fabrication.
    • Optical topological transitions in hyperbolic metamaterials present a promising avenue for quantum technologies.