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

Semiconductors01:22

Semiconductors

1.5K
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
1.5K
Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

400
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in...
400
Types of Semiconductors01:20

Types of Semiconductors

1.4K
Intrinsic semiconductors are highly pure materials with no impurities. At absolute zero, these semiconductors behave as perfect insulators because all the valence electrons are bound, and the conduction band is empty, disallowing electrical conduction. The Fermi level is a concept used to describe the probability of occupancy of energy levels by electrons at thermal equilibrium. In intrinsic semiconductors, the Fermi level is positioned at the midpoint of the energy gap at absolute zero. When...
1.4K
Oscillations In An LC Circuit01:30

Oscillations In An LC Circuit

3.1K
An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
3.1K
Forced Oscillations01:06

Forced Oscillations

8.0K
When an oscillator is forced with a periodic driving force, the motion may seem chaotic. The motions of such oscillators are known as transients. After the transients die out, the oscillator reaches a steady state, where the motion is periodic, and the displacement is determined.
8.0K
Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

953
The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The...
953

You might also read

Related Articles

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

Sort by
Same author

All-optical polarization control in time-varying low-index films via plasma symmetry breaking.

Nature photonics·2026
Same author

Analytic Inverse Design of Temporal Metamaterials via Space-Time Duality.

Physical review letters·2026
Same author

Correction: Role of Electrocardiogram for the Detection of Cardiac Diseases in a Healthy Primary School Population: Data from the "Cuore e Scuola" Study.

Pediatric cardiology·2026
Same author

Thouless quantum walks in topological flat bands.

Light, science & applications·2026
Same author

A multilevel linguistic analysis reveals linguistic impairments in persons with multiple sclerosis.

Journal of communication disorders·2026
Same author

Mixed endometrial carcinoma: is it time to profile the two components separately?

Frontiers in oncology·2026
Same journal

Two-photon 3D imaging of optically stimulated neural activity at 100 Hz.

Light, science & applications·2026
Same journal

Quasi-bound states in the continuum driven photoresponse in multiple quantum wells for machine vision.

Light, science & applications·2026
Same journal

Spin-photon qubits for scalable quantum network.

Light, science & applications·2026
Same journal

Dual-mode switchable and reconfigurable Van der Waals phototransistor for multi-state image encryption.

Light, science & applications·2026
Same journal

Weak polarization electric field â…¢-N LEDs on polar plane with enhanced efficiency and strong lateral carrier confinement.

Light, science & applications·2026
Same journal

Bi-layer photonic random meta-composite for cryogenic thermal control by ultra-broadband scattering matched reflectance.

Light, science & applications·2026
See all related articles

Related Experiment Video

Updated: Jan 28, 2026

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

15.0K

Phase-matching-free parametric oscillators based on two-dimensional semiconductors.

Alessandro Ciattoni1, Andrea Marini2,3,4, Carlo Rizza1,5

  • 11Consiglio Nazionale Delle Ricerche (CNR-SPIN), Via Vetoio 10, 67100 L'Aquila, Italy.

Light, Science & Applications
|March 7, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed a phase-matching-free miniaturized parametric oscillator using 2D semiconductors. This breakthrough enables tunable, micron-sized sources of entangled photons for quantum technologies and biophysics.

More Related Videos

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

5.4K
Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method
07:38

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

Published on: April 18, 2019

34.2K

Related Experiment Videos

Last Updated: Jan 28, 2026

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

15.0K
Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
10:14

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography

Published on: September 2, 2020

5.4K
Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method
07:38

Carrier Lifetime Measurements in Semiconductors through the Microwave Photoconductivity Decay Method

Published on: April 18, 2019

34.2K

Area of Science:

  • Quantum Optics
  • Materials Science
  • Nanotechnology

Background:

  • Optical parametric oscillators (OPOs) are versatile tunable light sources.
  • Material dispersion necessitates complex phase-matching, limiting OPO tunability and miniaturization.

Purpose of the Study:

  • To demonstrate a novel phase-matching-free parametric micro-resonator.
  • To enable miniaturized, tunable OPOs using 2D materials for quantum applications.

Main Methods:

  • Exact solution of nonlinear Maxwell equations.
  • First-principle calculations of semiconductor nonlinear response.
  • Utilizing mono-layer transition-metal dichalcogenides in micro-resonators.

Main Results:

  • Phase-matching is absent in parametric micro-resonators with 2D semiconductors.
  • Degenerate and non-degenerate emission achieved and tuned by pump incidence angle.
  • High-frequency electrical modulation demonstrated via electrical gating.

Conclusions:

  • Paves the way for novel ultra-fast tunable micron-sized sources of entangled photons.
  • Enables miniaturized OPOs for quantum protocols, lab-on-chip biophysics, and environmental sensing.