Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Double Resonance Techniques: Overview

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...

Sound Waves: Resonance

Sound Waves: Resonance

Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...

Atomic Nuclei: Magnetic Resonance

Atomic Nuclei: Magnetic Resonance

The number of nuclear spins aligned in the lower energy state is slightly greater than those in the higher energy state. In the presence of an external magnetic field, as the spins precess at the Larmor frequency, the excess population results in a net magnetization oriented along the z axis. When a pulse or a short burst of radio waves at the Larmor frequency is applied along the x axis, the coupling of frequencies causes resonance and flips the nuclear spins of the excess population from the...

Nuclear Overhauser Enhancement (NOE)

Nuclear Overhauser Enhancement (NOE)

Irradiation of a spin-active nucleus causes an increase or decrease in the signal intensity of neighboring nuclei that are not necessarily chemically bonded or involved in J-coupling. This phenomenon, called the nuclear Overhauser enhancement (NOE), results from through-space interactions between the nuclear spins. The NOE effect decreases with increasing internuclear distance and is generally not observed beyond 4 angstroms. In NOE, dipole-dipole interactions between neighboring spin-active...

You might also read

Related Articles

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

Sort by

Same author

Real-field Hong-Ou-Mandel interference of indistinguishable coherent photons via long optical injection-locking over 50 km fiber.

Optics express·2025

Same author

Dual-frequency operation in a single atomic magnetometer and frequency-shift keying modulation of magnetic field communication.

Optics express·2025

Same author

Which-path information of path-polarization hybrid state in polarization-based nested Mach-Zehnder interferometer.

Scientific reports·2025

Same author

Intensity-difference squeezing from four-wave mixing in hot <sup>85</sup>Rb and <sup>87</sup>Rb atoms in single diode laser pumping system.

Scientific reports·2025

Same author

Active offset-frequency control of optical frequency comb via sum-frequency mixing of passively mode-locked laser and continuous-wave laser.

Scientific reports·2024

Same author

Quantum interference of multidimensional quantum states via space-division multiplexing of a long-coherent single photon from a warm <sup>87</sup>Rb atomic ensemble.

Optics express·2022

Search research articles

Related Experiment Video

Updated: Jul 3, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Double resonance optical pumping effects in electromagnetically induced transparency.

Han Seb Moon¹, Lim Lee, Jung Bog Kim

¹Department of Physics, Pusan National University, Busan 609-735, Korea. hsmoon@pusan.ac.kr

|August 6, 2008

Summary

We observed the double resonance optical pumping (DROP) effect in 87Rb atoms, revealing it

More Related Videos

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

Published on: May 18, 2011

Related Experiment Videos

Last Updated: Jul 3, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

Published on: May 18, 2011

Area of Science:

Atomic Physics
Quantum Optics
Laser Spectroscopy

Background:

Electromagnetically induced transparency (EIT) is a quantum interference effect.
Ladder-type atomic systems offer unique pathways for manipulating atomic populations.
Understanding population transfer mechanisms is crucial for quantum control.

Purpose of the Study:

To investigate the double resonance optical pumping (DROP) effect in a ladder-type EIT system.
To analyze the influence of DROP on EIT spectral features in 87Rb atoms.
To differentiate between EIT and DROP contributions to the observed transmittance spectrum.

Main Methods:

Utilizing a ladder-type atomic system in 87Rb.
Applying two resonant laser fields: a weak probe and a strong coupling laser.
Observing the transmittance spectrum of the atomic system.

Main Results:

Demonstrated the DROP effect in the 5S1/2-5P3/2-5D5/2 transition of 87Rb.
Revealed that previous ladder-type EIT studies often implicitly included the DROP effect.
Observed a double-structured transmittance spectrum: a narrow EIT peak and a broad DROP feature under specific laser conditions.

Conclusions:

The DROP effect is a significant phenomenon in ladder-type EIT systems.
Distinguishing between EIT and DROP is essential for accurate interpretation of spectral data.
The findings provide a deeper understanding of light-atom interactions in multi-level systems.