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

The de Broglie Wavelength02:32

The de Broglie Wavelength

32.5K
In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
32.5K
Properties of Fourier Transform I01:21

Properties of Fourier Transform I

487
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...
487
Properties of Fourier Transform II01:24

Properties of Fourier Transform II

574
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...
574
UV–Vis Spectroscopy: Molecular Electronic Transitions01:16

UV–Vis Spectroscopy: Molecular Electronic Transitions

2.5K
In Ultraviolet–Visible (UV–Vis) spectroscopy, the absorption of electromagnetic radiation is used to probe the electronic structure of molecules. This technique provides insights into molecular electronic transitions, particularly the movement of electrons between different molecular orbitals. Radiation is absorbed if the energy of the electromagnetic radiation passing through the molecule is precisely equal to the energy difference between the excited and ground states. During this...
2.5K

You might also read

Related Articles

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

Sort by
Same author

General Class of Functionals for Certifying Quantum Incompatibility.

Physical review letters·2026
Same author

Evaluating Limits of Machine Learning-Assisted Raman Spectroscopy in Classification of Biological Samples.

bioRxiv : the preprint server for biology·2026
Same author

Bloch polaritons in arrayed two-level atoms: collective emission and anomalous transport.

Optics express·2025
Same author

A reference genome enhances the power to detect signatures of recent anthropogenic impact in genomic data: a lesson learned from a stag beetle system.

BMC biology·2025
Same author

Dissipative engineering with strong light-matter coupling for optimized photo-oxidation suppression in organic chromophores.

The Journal of chemical physics·2025
Same author

Allopatric Speciation and Interspecific Gene Flow Driven by Niche Conservatism of Diploderma Tree Lizards in Taiwan.

Molecular ecology·2025

Related Experiment Video

Updated: Dec 14, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

14.9K

Optical quantum frequency filter based on generalized eigenstates.

Chia-Yi Ju, Ming-Hsun Chou, Guang-Yin Chen

    Optics Express
    |July 19, 2020
    PubMed
    Summary

    This study introduces a method to regularize generalized quantum eigenstates, revealing Gamow states with positive real energies. These states exhibit frequency-filtering properties, offering potential for quantum filters.

    More Related Videos

    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

    9.5K
    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    8.8K

    Related Experiment Videos

    Last Updated: Dec 14, 2025

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    14.9K
    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

    9.5K
    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    8.8K

    Area of Science:

    • Quantum mechanics
    • Quantum optics
    • Condensed matter physics

    Background:

    • Quantum mechanics distinguishes between bound and generalized (scattering) eigenstates.
    • Generalized eigenstates are crucial for understanding scattering phenomena but can be challenging to analyze.
    • Gamow states, characterized by poles in the scattering matrix, represent a specific type of generalized eigenstate.

    Purpose of the Study:

    • To develop a systematic method for regularizing generalized eigenstates using Wick rotation.
    • To investigate the properties of Gamow states, particularly those with positive real eigenenergies.
    • To explore potential applications of these states in quantum technologies.

    Main Methods:

    • Application of Wick rotation to regularize generalized eigenstates.
    • Analysis of a bosonic field interacting with an array of two-level systems.
    • Examination of scattering matrix properties and eigenenergy spectra.

    Main Results:

    • A systematic regularization method for generalized eigenstates via Wick rotation was established.
    • Gamow states with positive real eigenenergies were identified in the specified system.
    • These states exhibit a diverging scattering spectrum at their eigenenergy, resembling bound states in the continuum (BIC).
    • Unlike BICs, these Gamow states are non-localized and possess frequency-filtering characteristics.

    Conclusions:

    • The study successfully regularized generalized eigenstates, identifying novel Gamow states.
    • These Gamow states, despite being non-localized, share similarities with BICs but offer unique frequency-filtering capabilities.
    • The findings suggest potential applications in developing tunable quantum frequency filters for scattering states.