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

Second-Order Circuits

Second-Order Circuits

Integrating two fundamental energy storage elements in electrical circuits results in second-order circuits, encompassing RLC circuits and circuits with dual capacitors or inductors (RC and RL circuits). Second-order circuits are identified by second-order differential equations that link input and output signals.
Input signals typically originate from voltage or current sources, with the output often representing voltage across the capacitor and/or current through the inductor. For example, in...

You might also read

Related Articles

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

Sort by

Same author

Oxidative stress induces nucleus pulposus cell senescence and metabolic substrate depletion-driven reprogramming: a multi-omics study.

Scientific reports·2026

Same author

Aligning climate and air quality goals demands early VOC control for China's ozone pollution.

Nature communications·2026

Same author

ODC1-Mediated Ornithine Metabolism Exacerbates Obesity by Disrupting AMPK/ACC Pathway.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology·2026

Same author

Discrepancies between fall risk and fall awareness in hospitalized elderly patients with cataracts: a cross-sectional study.

Frontiers in medicine·2026

Same author

A biomimetic strip for standardized evaluation of herbicide deposition dynamics.

Materials horizons·2026

Same author

Physics-initialized self-supervised spatio-frequency fusion for polarimetric single-pixel imaging through scattering media.

Optics express·2026

Search research articles

Related Experiment Video

Updated: May 2, 2026

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

Cascading second-order nonlinear processes in a lithium niobate-on-insulator microdisk.

Shijie Liu, Yuanlin Zheng, Xianfeng Chen

|September 16, 2017

Summary

Whispering-gallery-mode microcavities enable efficient on-chip frequency conversion. Lithium niobate-on-insulator microdisk resonators demonstrate resonant second-harmonic generation and cascaded third-harmonic generation for integrated photonics.

More Related Videos

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Published on: February 5, 2020

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Published on: June 18, 2020

Related Experiment Videos

Last Updated: May 2, 2026

$In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries$

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Fabrication of Nanoheight Channels Incorporating Surface Acoustic Wave Actuation via Lithium Niobate for Acoustic Nanofluidics

Published on: February 5, 2020

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Fabrication of Surface Acoustic Wave Devices on Lithium Niobate

Published on: June 18, 2020

Area of Science:

Photonics
Materials Science
Nonlinear Optics

Background:

Whispering-gallery-mode (WGM) microcavities are crucial for integrated photonic devices.
On-chip second-order nonlinear microresonators are vital for advanced photonic functionalities.

Purpose of the Study:

To demonstrate resonant second-harmonic generation (SHG) and cascaded third-harmonic generation (THG) in a lithium niobate-on-insulator (LNOI) microdisk resonator.
To explore the potential of LNOI microresonators for efficient frequency conversion.

Main Methods:

Fabrication of a lithium niobate-on-insulator (LNOI) microdisk resonator.
Experimental demonstration of resonant second-harmonic generation (SHG) and cascaded third-harmonic generation (THG) using low input powers.
Analysis of phase matching and mode coupling within the resonator.

Main Results:

Efficient SHG in the visible range achieved with milliwatt input powers at telecom wavelengths.
Observation of THG through a cascading process, indicating simultaneous phase matching and strong mode coupling.
Effective third-order nonlinearity enhanced by cascading second-order nonlinear processes.

Conclusions:

LNOI microdisk resonators are effective platforms for on-chip frequency conversion.
Cascading second-order nonlinear processes provide a pathway to enhanced third-order nonlinearities.
These microresonators show promise as efficient frequency converters for integrated nonlinear photonics.