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

Propagation Speed of Electromagnetic Waves01:30

Propagation Speed of Electromagnetic Waves

3.4K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.4K
Properties of Fourier Transform II01:24

Properties of Fourier Transform II

245
The Fourier Transform (FT) is an essential mathematical tool in signal processing, transforming a time-domain signal into its frequency-domain representation. This transformation elucidates the relationship between time and frequency domains through several properties, each revealing unique aspects of signal behavior.
The Frequency Shifting property of Fourier Transforms highlights that a shift in the frequency domain corresponds to a phase shift in the time domain. Mathematically, if x(t) has...
245
Properties of Fourier Transform I01:21

Properties of Fourier Transform I

195
The application of Fourier Transform properties in radio broadcasting is multifaceted, enabling significant advancements in the way signals are transmitted and received. Key areas where these properties are utilized include simultaneous multi-channel transmission, audio clip speed adjustments, live broadcast delays for different time zones, audio frequency adjustments, and signal demodulation.
In radio broadcasting, multiple audio signals often need to be transmitted simultaneously. The Fourier...
195
Propagation of Waves01:07

Propagation of Waves

2.4K
When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
2.4K
Traveling Waves: Lossless Lines01:27

Traveling Waves: Lossless Lines

157
The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx  and a shunt capacitance CΔx.
157
Time and frequency -Domain Interpretation of Phase-lag Control01:21

Time and frequency -Domain Interpretation of Phase-lag Control

115
Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
115

You might also read

Related Articles

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

Sort by
Same author

Bimetallic Steels: A Structured Review of Fabrication Routes, Material Properties, and Component Performance.

Materials (Basel, Switzerland)·2026
Same author

Qishen paste improves cardiac conduction in heart failure by regulating cardiac resident macrophage Connexin43.

Journal of ethnopharmacology·2026
Same author

Systemic inflammation response index as an independent predictor of unfavorable prognosis and its application in risk stratification in patients with aneurysmal subarachnoid hemorrhage.

Frontiers in neuroscience·2026
Same author

Mendelian Randomization Analysis of the Relationship between Neurotransmitter-related Genes and Cancer: Insights from Multi-omics Data.

Current topics in medicinal chemistry·2026
Same author

Piperazine-Derived Diamine Lipid Nanoparticles Targeting to the Liver for Delivering Clustered Regularly Interspaced Short Palindromic Repeat Editing of PCSK9 to Durably Maintain Plasmatic Low-Density Lipoprotein Cholesterol in Low Levels.

ACS applied bio materials·2026
Same author

INTELCAPE: A Deep Learning-Powered System for Automated, High-Accuracy Crohn's Disease Diagnosis via Capsule Endoscopy.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association·2026

Related Experiment Video

Updated: Jul 17, 2025

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

10.9K

Broadband frequency translation by space-time interface with weak permittivity temporal change.

Neng Wang, Guo Ping Wang

    Optics Letters
    |September 1, 2023
    PubMed
    Summary

    A novel photonic space-time interface (PSTI) enables simultaneous redshift and blueshift frequency translations. This breakthrough allows static fields to be converted into dynamic fields, opening new avenues in optical research.

    More Related Videos

    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
    13:44

    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

    Published on: December 27, 2012

    15.4K
    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    9.9K

    Related Experiment Videos

    Last Updated: Jul 17, 2025

    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    10.9K
    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
    13:44

    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

    Published on: December 27, 2012

    15.4K
    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    9.9K

    Area of Science:

    • Photonics
    • Metamaterials
    • Wave physics

    Background:

    • Simultaneous spatial and temporal changes lead to wavenumber and frequency translations.
    • Photonic space-time interfaces (PSTIs) offer a unique platform for manipulating light-matter interactions.

    Purpose of the Study:

    • To propose and analyze a novel method for achieving broadband frequency translations using a single PSTI.
    • To investigate the mode conversions induced by a PSTI with a weak temporal change in permittivity.

    Main Methods:

    • Theoretical analysis of mode conversions at a PSTI.
    • Investigating the transition of a homogeneous medium to a one-dimensional photonic crystal.
    • Analyzing the dependence of frequency translation amplitudes on material and modulation properties.

    Main Results:

    • Broadband frequency translations (redshifts and blueshifts) are achieved using a single PSTI.
    • Frequency translation amplitudes are independent of permittivity change and initial frequency.
    • Translation amplitudes are determined by the phase speed and spatial modulation frequency.

    Conclusions:

    • A PSTI can convert static fields into dynamic fields.
    • The proposed scheme provides a new method for realizing broadband frequency translations.
    • Findings pave the way for further study and application of PSTIs.