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

Aliasing01:18

Aliasing

709
Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original...
709
Graphical and Analytic Representation of Sinusoids01:20

Graphical and Analytic Representation of Sinusoids

1.0K
Analyzing two sinusoidal voltages with equal amplitude and period but different phases on an oscilloscope, an instrument used to display and analyze waveforms, involves a three-step process.
The first step is measuring the peak-to-peak value, which is twice the amplitude of the sinusoid. This provides information about the maximum voltage swing of the waveform.
Secondly, the period and angular frequency are determined. The period is the time taken for one complete cycle of the waveform, while...
1.0K
Bandpass Sampling01:17

Bandpass Sampling

570
In signal processing, bandpass sampling is an effective technique for sampling signals that have most of their energy concentrated within a narrow frequency band. This type of signal is known as a bandpass signal. The key principle of bandpass sampling involves sampling the signal at a rate that is greater than twice the signal's bandwidth to prevent aliasing.
A bandpass signal has a spectrum with a lower frequency limit, denoted as ω1, and an upper frequency limit, denoted as ω2....
570
¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

1.9K
The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
1.9K
Parallel Resonance01:23

Parallel Resonance

644
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
644
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

1.9K
Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single...
1.9K

You might also read

Related Articles

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

Sort by
Same author

Symmetry-broken cavity solitons and collective polarization conformity in Fabry-Pérot Kerr resonators.

Optics letters·2026
Same author

Unified Model for Breathing Solitons in Fiber Lasers: Mechanisms across Below- and Above-Threshold Regimes.

Physical review letters·2026
Same author

Coherent Ising machine based on polarization symmetry breaking in a driven Kerr resonator.

Nature communications·2026
Same author

Laser systems with a semiconductor optical amplifier and optical-power-to-electrical-current feedback.

Optics letters·2025
Same author

Locking noise in laser frequency stabilization to an optical fiber delay line.

Optics express·2025
Same author

Polarization Faticons: Chiral Localized Structures in Self-Defocusing Kerr Resonators.

Physical review letters·2025
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

Related Experiment Video

Updated: Feb 22, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

10.4K

Nonlinear spectrum broadening cancellation by sinusoidal phase modulation.

Frederic Audo, Sonia Boscolo, Julien Fatome

    Optics Letters
    |September 29, 2017
    PubMed
    Summary
    This summary is machine-generated.

    We developed a new technique using temporal sinusoidal phase modulation to significantly reduce spectral broadening caused by self-phase modulation in Kerr media, benefiting long pulse propagation.

    More Related Videos

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
    15:06

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

    Published on: January 3, 2016

    13.4K
    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

    9.8K

    Related Experiment Videos

    Last Updated: Feb 22, 2026

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    10.4K
    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
    15:06

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

    Published on: January 3, 2016

    13.4K
    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

    9.8K

    Area of Science:

    • Nonlinear optics
    • Fiber optics
    • Pulse propagation

    Background:

    • Self-phase modulation (SPM) in Kerr media causes significant spectral broadening.
    • This spectral expansion limits the performance of optical systems, especially for long pulses.
    • Existing methods for mitigating SPM are often complex or inefficient.

    Purpose of the Study:

    • To propose and demonstrate a novel method for reducing spectral broadening induced by SPM.
    • To mitigate the nonlinear chirp generated in optical fibers.
    • To validate the technique's effectiveness for long pulse propagation in passive or amplifying fibers.

    Main Methods:

    • Implementing temporal sinusoidal phase modulation.
    • Applying the modulation to counteract the nonlinear chirp from SPM.
    • Experimental validation in both passive and amplifying fiber systems.

    Main Results:

    • Significant reduction in spectral broadening caused by SPM.
    • Efficient cancellation of the nonlinear chirp.
    • Demonstrated effectiveness for mitigating spectral expansion of long pulses.

    Conclusions:

    • Temporal sinusoidal phase modulation is an effective technique for SPM mitigation.
    • The method offers a practical solution for preserving spectral integrity in optical pulses.
    • This approach has implications for various applications involving nonlinear fiber optics.