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

Interference and Superposition of Waves01:07

Interference and Superposition of Waves

When two waves of the same nature occur in the same region simultaneously, they result in interference. Interference of waves implies that the net effect of the waves is the sum of the individual waves' effects. However, it does not imply that the individual waves affect the propagation of other waves.
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
Atomic Emission Spectroscopy: Interference01:30

Atomic Emission Spectroscopy: Interference

In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
The de Broglie Wavelength02:32

The de Broglie Wavelength

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...
¹H NMR: Interpreting Distorted and Overlapping Signals01:02

¹H NMR: Interpreting Distorted and Overlapping Signals

Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...
Molecular Orbital Theory I02:35

Molecular Orbital Theory I

Overview of Molecular Orbital Theory
Atomic Absorption Spectroscopy: Interference01:25

Atomic Absorption Spectroscopy: Interference

Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These interferences can be grouped into three main categories: spectral interference, chemical interference, and physical interference.
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...

You might also read

Related Articles

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

Sort by
Same author

CHST5 gene mutations contribute to high myopia by disrupting collagen fiber organization.

Journal of genetics and genomics = Yi chuan xue bao·2026
Same author

Expert consensus on treatment of condylar hyperplasia and secondary dento-maxillofacial deformities.

International journal of oral science·2026
Same author

Tailoring Spin-Orbit Interaction in High Harmonic Generation via Geometric Phase.

Physical review letters·2026
Same author

Tracking the anisotropic electron dynamics in SnSe by time- and polarization-resolved high-harmonic spectroscopy.

Optics letters·2026
Same author

Drug Discovery of Antiviral Inhibitors Targeting Dengue Virus NS4B Protein.

ACS infectious diseases·2026
Same author

Impaired mitophagy contributes to osteogenesis and mineralization disorders in fibrous dysplasia.

Autophagy·2026
Same journal

Anharmonic phonons via quantum thermal bath simulations.

The Journal of chemical physics·2026
Same journal

Quantum simulation of alignment dependent differential cross sections in co-propagating molecular beams at cold collision energies.

The Journal of chemical physics·2026
Same journal

Non-additive ion effects on the coil-globule equilibrium of a generic polymer in aqueous salt solutions.

The Journal of chemical physics·2026
Same journal

Insights into the unexpected small reduction of the temperature of maximum density of water by lithium chloride addition.

The Journal of chemical physics·2026
Same journal

Optical frequency comb double-resonance spectroscopy of the 9030-9175 cm-1 states of ethylene.

The Journal of chemical physics·2026
Same journal

Time reversal breaking of colloidal particles in cells.

The Journal of chemical physics·2026
See all related articles

Related Experiment Video

Updated: Jun 22, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Controlling molecular rotational population by wave-packet interference.

Chengyin Wu1, Guiping Zeng, Yunan Gao

  • 1Department of Physics, State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871, People's Republic of China. cywu@pku.edu.cn

The Journal of Chemical Physics
|June 25, 2009
PubMed
Summary
This summary is machine-generated.

We developed a method using laser pulse timing to control molecular rotational states via wave-packet interference. This allows precise selection of quantum states and spatial distributions without external fields.

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

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

Related Experiment Videos

Last Updated: Jun 22, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

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

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

Area of Science:

  • Molecular physics
  • Quantum control
  • Laser spectroscopy

Background:

  • Controlling molecular quantum states is crucial for advanced applications.
  • Wave-packet interference offers a pathway for quantum state manipulation.

Purpose of the Study:

  • To propose a control scheme for selecting molecular rotational states.
  • To achieve controlled quantum-state and spatial distributions using wave-packet interference.

Main Methods:

  • Generating coherent rotational wave packets using two femtosecond laser pulses.
  • Utilizing nonadiabatic rotational excitation of molecules.
  • Adjusting the time delay between laser pulses to control wave-packet interference.

Main Results:

  • Demonstrated enhancement or suppression of specific rotational states through constructive or destructive interference.
  • Observed controlled spatial symmetries in interference patterns.
  • Prepared molecular ensembles with selected quantum-state and spatial distributions.

Conclusions:

  • The proposed method enables precise control over molecular rotational state populations.
  • This technique allows for the preparation of molecules with tailored quantum and spatial characteristics.
  • The field-free approach is valuable for fundamental studies and potential applications in molecular control.