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

Comparing Experimental Results: Student's t-Test01:09

Comparing Experimental Results: Student's t-Test

The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...
Properties of Fourier series II01:21

Properties of Fourier series II

Time scaling of signals is a crucial concept in signal processing that affects the Fourier series representation without altering its coefficients. The process modifies the fundamental frequency, thereby changing how the series represents the signal over time. This principle is essential in various applications, including audio and image processing, where signal manipulation is frequent. Understanding function symmetries is fundamental to simplifying the Fourier series.
A function f(t) is...
Thermal Sigmatropic Reactions: Overview01:16

Thermal Sigmatropic Reactions: Overview

Sigmatropic rearrangements are a class of pericyclic reactions in which a σ bond migrates from one part of a π system to another. These are intramolecular rearrangements where the total number of σ and π bonds remain unchanged.
Sigmatropic shifts are classified based on an order term [i, j ], where i and j indicate the number of atoms across which each end of the σ bond migrates. Below are examples of a [3,3] sigmatropic shift in 1,5-hexadiene, referred to as...
Properties of DTFT I01:24

Properties of DTFT I

In signal processing, Discrete-Time Fourier Transforms (DTFTs) play a critical role in analyzing discrete-time signals in the frequency domain. Various properties of the DTFTs such as linearity, time-shifting, frequency-shifting, time reversal, conjugation, and time scaling help understand and manipulate these signals for different applications.
The linearity property of DTFTs is fundamental. If two discrete-time signals are multiplied by constants a and b respectively, and then combined to...
The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
Basic Operations on Signals01:22

Basic Operations on Signals

Basic signal operations include time reversal, time scaling, time shifting, and amplitude transformations. These operations are fundamental in signal processing and analysis.
Time Reversal mirrors a continuous-time signal about the vertical axis at t=0. This is achieved by substituting t with −t. For example, if a signal x(t) is considered, the time-reversed signal is x(−t). This operation can be graphically represented, showing the mirrored signal.

You might also read

Related Articles

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

Sort by
Same author

Mechanistic insights into pH-dependent ofloxacin adsorption on nanoporous carbons.

Physical chemistry chemical physics : PCCP·2026
Same author

Noise-resilient exceptional point sensing with immunity to undesired perturbations.

Science advances·2026
Same author

Guiding waves through chaos: Universal bounds for targeted mode transport.

Science advances·2026
Same author

In-situ physical adjoint computing in multiple-scattering electromagnetic environments for wave control.

Nature communications·2025
Same author

Unraveling Ofloxacin Behavior in Aqueous Environments: Molecular Dynamics of Colloidal Formation and Surface Adsorption Mechanisms.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Innovative use of lipid mesophase dispersions for bisphenol A sequestration in water.

Journal of colloid and interface science·2024
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: May 19, 2026

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
06:42

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

PT-symmetric Talbot effects.

Hamidreza Ramezani1, D N Christodoulides, V Kovanis

  • 1Department of Physics, Wesleyan University, Middletown, Connecticut 06459, USA.

Physical Review Letters
|August 7, 2012
PubMed
Summary
This summary is machine-generated.

Complex PT-symmetric photonic lattices enable novel self-imaging Talbot effects. The input field must match system symmetries, with imaging controllable by gain and loss parameters at the exact phase.

More Related Videos

A Tactile Automated Passive-Finger Stimulator (TAPS)
19:44

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Related Experiment Videos

Last Updated: May 19, 2026

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses
06:42

Continuous Theta Burst Stimulation of the Posterior Medial Frontal Cortex to Experimentally Reduce Ideological Threat Responses

Published on: September 28, 2018

A Tactile Automated Passive-Finger Stimulator (TAPS)
19:44

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Area of Science:

  • Photonics
  • Quantum physics
  • Non-Hermitian systems

Background:

  • Self-imaging phenomena, such as the Talbot effect, are well-established in optics.
  • Photonic lattices with parity-time (PT) symmetry offer unique wave propagation properties.
  • Understanding PT-symmetric systems is crucial for developing advanced optical devices.

Purpose of the Study:

  • To investigate the emergence of novel self-imaging Talbot effects in complex PT-symmetric photonic lattices.
  • To determine the conditions and parameters governing these PT-symmetric Talbot effects.
  • To explore the tunability of the imaging process through gain and loss parameters.

Main Methods:

  • Theoretical analysis of wave propagation in complex PT-symmetric photonic lattices.
  • Derivation of conditions for self-imaging based on lattice symmetries.
  • Examination of the behavior at the spontaneous PT-symmetry breaking point and the exact phase.

Main Results:

  • Demonstration of a new class of Talbot effects in complex PT-symmetric photonic lattices.
  • Identification of specific input field periodicities required for self-imaging.
  • Observation that Talbot lengths are governed by passive lattice characteristics at the breaking point.
  • Finding that imaging is controllable by gain and loss at the exact phase.

Conclusions:

  • Complex PT-symmetric photonic lattices provide a platform for novel self-imaging phenomena.
  • The observed Talbot effects are sensitive to both lattice symmetries and gain/loss parameters.
  • This work opens avenues for controlling light propagation and imaging in engineered optical systems.