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

Cascaded Op Amps01:16

Cascaded Op Amps

586
Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
586
Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

76
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
76

You might also read

Related Articles

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

Sort by
Same author

Deciphering Neural Mechanisms Underlying Marmoset Dynamic Natural Behaviors Using a Miniaturized Wireless Large-Scale Coverage Neural Recorder.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

SpecNet: A hyperspectral band-learning method for slice-level differentiation of fibroadenoma and phyllodes tumor.

Photodiagnosis and photodynamic therapy·2025
Same author

FNDC4 Drives Metastasis and Immune Evasion in Pancreatic Cancer.

Cancer research·2025
Same author

Identification of five sleep-biopsychosocial profiles with specific neural signatures linking sleep variability with health, cognition, and lifestyle factors.

PLoS biology·2025
Same author

The IGF2BP3-FASN axis drives lipid metabolic reprogramming to promote brain colonization in non-small cell lung cancer.

Cell death & disease·2025
Same author

Correction: Effect of the renin-angiotensin-aldosterone system inhibitors on time to nucleic acid negative conversion in hypertensive patients with SARS-CoV-2 omicron infection: a propensity score matching study.

Hypertension research : official journal of the Japanese Society of Hypertension·2025
Same journal

Recent Progress in on-Demand Transfer-Enabled Integration of Wavelength-Scale Light Sources.

Nanophotonics (Berlin, Germany)·2026
Same journal

Tunable skyrmion bag textures in surface phonon polariton lattices.

Nanophotonics (Berlin, Germany)·2026
Same journal

All-Optical Diffractive Operators for Rapid, Computer-Free Morphological Transformations.

Nanophotonics (Berlin, Germany)·2026
Same journal

Tunable Skyrmion, Meron, and Skyrmion Bag Textures in Surface Phonon Polariton Lattices.

Nanophotonics (Berlin, Germany)·2026
Same journal

Deep-Subwavelength Slot-Enhanced Broadband Dynamic Camouflage Metasurface Across the S, C, X, and Ku Bands.

Nanophotonics (Berlin, Germany)·2026
Same journal

Machine Learning-Driven Cooling Window Design Beyond Hyperbolic Metamaterials.

Nanophotonics (Berlin, Germany)·2026
See all related articles

Related Experiment Video

Updated: Jun 5, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

8.0K

Cascaded domain engineering optical phased array for 2D beam steering.

Jingwei Li1, Huaibin Zheng1, Yuchen He1

  • 1Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education and International Center for Dielectric Research, School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
Summary
This summary is machine-generated.

We developed a novel 2D optical phased array (OPA) using engineered lithium niobate crystals. This design simplifies control electronics and enables efficient 2D beam steering for advanced optoelectronic applications.

Keywords:
beam steeringdomain engineeringoptical phased array

More Related Videos

A Protocol for Real-time 3D Single Particle Tracking
10:16

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

14.8K
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

9.7K

Related Experiment Videos

Last Updated: Jun 5, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

8.0K
A Protocol for Real-time 3D Single Particle Tracking
10:16

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

14.8K
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

9.7K

Area of Science:

  • Photonics and Optoelectronics
  • Materials Science
  • Crystallography

Background:

  • Traditional 2D optical phased arrays (OPAs) face limitations including complex control, high power consumption, and the need for tunable lasers.
  • Existing OPA designs often require independent control of numerous array elements, leading to intricate wiring and increased system complexity.

Purpose of the Study:

  • To propose and simulate a novel OPA architecture that overcomes the limitations of current 2D beam-steering technologies.
  • To introduce a domain-engineered lithium niobate (LiNbO3) crystal structure for simplified OPA control and enhanced performance.
  • To demonstrate the feasibility of using cascaded periodically poled LiNbO3 sequences for precise 2D beam steering.

Main Methods:

  • Utilizing cascaded periodically poled LiNbO3 sequences to create a multi-layered, domain-engineered electro-optic crystal structure.
  • Implementing a simplified control system with only two electronic components to program the 2D beam-steering trajectory.
  • Conducting simulations to evaluate the beam-steering range and performance of the proposed OPA architecture.

Main Results:

  • The proposed OPA architecture, based on domain-engineered LiNbO3, enables 2D beam steering with a simulated angular range of approximately ±20° and ±16°.
  • The design facilitates uniform phase difference distribution between adjacent array elements, optimizing optical performance.
  • The use of only two control electronics significantly reduces system complexity and power requirements compared to conventional OPAs.

Conclusions:

  • The developed domain-engineered LiNbO3 OPA offers a promising solution for high-performance, simplified 2D beam steering.
  • This approach paves the way for designing customized phase-controlled devices in electro-optical crystals.
  • The research has significant implications for next-generation optoelectronics, including optical interconnects and integrated LiDAR systems.