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

The Thoracic Cage: Ribs01:20

The Thoracic Cage: Ribs

9.3K
Ribs are curved, flattened bones forming the thoracic cavity wall with the thoracic muscles. There are 12 pairs of thoracic ribs. The posterior ends of all the ribs articulate with the T1–T12 thoracic vertebrae. In contrast,the anterior ends of most ribs attach to the sternum via their costal cartilages.
Parts of a Typical Rib
A typical rib has a head, neck, and body. The posterior end of the rib is called the head, followed by a narrow neck. The head articulates primarily with the costal...
9.3K
Zener Diodes01:16

Zener Diodes

1.3K
Zener diodes are specialized semiconductor devices designed to operate in the reverse breakdown region, where they allow current to flow into the cathode, making it positive relative to the anode. This reverse operation distinguishes Zener diodes from conventional diodes and enables their use in various applications, most notably as voltage regulators. One of the defining characteristics of Zener diodes is their nearly vertical I-V (current-voltage) characteristic curve above a certain...
1.3K
The Ideal Diode01:15

The Ideal Diode

2.3K
A diode is a semiconductor device that allows current to flow in one direction only, making it a crucial component in electronic circuits for controlling the direction of current flow. An ideal diode is a simplified version of a real diode used to understand how diodes work in circuits. It possesses two terminals: the positive anode and the cathode, which is negative. When a positive voltage is applied to the anode relative to the cathode, the diode is in a forward-biased state, allowing...
2.3K
Diode: Forward bias01:20

Diode: Forward bias

2.3K
In semiconductor devices, diodes play a crucial role in directing current flow, and its operation is primarily categorized into forward bias and reverse bias. A diode is said to be forward-biased when its p-type region is connected to the positive terminal of a battery and its n-type region is linked to the negative terminal. This configuration reduces the potential barrier within the diode, allowing current to flow easily from the p to the n-type region.
The behavior of a diode in forward bias...
2.3K
Modeling of Diode Forward Characteristics01:19

Modeling of Diode Forward Characteristics

1.2K
Understanding the behavior of diodes when forward-biased is a fundamental aspect of electronic circuit design and analysis. This analysis primarily utilizes two models: the exponential diode model and the constant-voltage-drop model. The exponential model comes into play when the source voltage exceeds 0.5 volts, pushing the diode current to rise exponentially above the saturation current. This relationship is graphically depicted in the current-voltage (I-V) curve, illustrating the diode's...
1.2K
Drug Absorption: Factors Affecting GI Absorption01:19

Drug Absorption: Factors Affecting GI Absorption

6.4K
The process of oral drug absorption can be influenced by several factors. Weakly acidic drugs tend to be absorbed more readily from the stomach due to their nonionized state. However, absorption may be less efficient in the upper intestine, where drugs are often ionized. Interestingly, despite the stomach's apparent advantage for drug absorption, its mucous layer can hinder diffusion. Its surface area is also smaller than the intestine's, which can further slow down the absorption rate.
6.4K

You might also read

Related Articles

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

Sort by
Same author

Silicon microring modulator array controlled all optically.

Optics express·2026
Same author

Measuring the attractiveness of trip destinations based on human mobility data.

Scientific reports·2025
Same author

An open source for multiplexed, stable and transient flows to advance life sciences using microfluidic control automation.

Lab on a chip·2025
Same author

Risk Factors for Airway Complications After Thyroplasty and Arytenoid Adduction.

JAMA otolaryngology-- head & neck surgery·2025
Same author

Proposal of a phantom for analyzing out-of-plane artifact in digital breast tomosynthesis.

Journal of X-ray science and technology·2025
Same author

Dataset augmentation with multiple contrasts images in super-resolution processing of T1-weighted brain magnetic resonance images.

Radiological physics and technology·2024

Related Experiment Video

Updated: Feb 14, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

19.5K

High-performance on-chip autocorrelator using a rib waveguide loaded with two-photon absorption diodes.

Keisuke Kondo, Toshihiko Baba

    Optics Letters
    |February 15, 2018
    PubMed
    Summary

    We developed an on-chip autocorrelator using silicon rib waveguides for precise pulse measurements. This device achieves high resolution across a broad wavelength range, ideal for optical signal analysis.

    More Related Videos

    High-Throughput Total Internal Reflection Fluorescence and Direct Stochastic Optical Reconstruction Microscopy Using a Photonic Chip
    14:09

    High-Throughput Total Internal Reflection Fluorescence and Direct Stochastic Optical Reconstruction Microscopy Using a Photonic Chip

    Published on: November 16, 2019

    7.4K
    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
    08:01

    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

    Published on: May 12, 2020

    8.7K

    Related Experiment Videos

    Last Updated: Feb 14, 2026

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
    11:08

    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

    Published on: November 30, 2012

    19.5K
    High-Throughput Total Internal Reflection Fluorescence and Direct Stochastic Optical Reconstruction Microscopy Using a Photonic Chip
    14:09

    High-Throughput Total Internal Reflection Fluorescence and Direct Stochastic Optical Reconstruction Microscopy Using a Photonic Chip

    Published on: November 16, 2019

    7.4K
    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
    08:01

    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

    Published on: May 12, 2020

    8.7K

    Area of Science:

    • Photonics
    • Integrated Optics
    • Semiconductor Devices

    Background:

    • Accurate measurement of ultrashort optical pulses is crucial for various applications.
    • Existing autocorrelator technologies can be bulky or lack on-chip integration.
    • Silicon photonics offers a scalable platform for integrated optical devices.

    Purpose of the Study:

    • To demonstrate an on-chip autocorrelator for measuring optical pulse characteristics.
    • To leverage silicon rib waveguides for broadband and high-resolution autocorrelations.
    • To integrate photodiodes for direct correlation acquisition on a chip.

    Main Methods:

    • Fabrication of a silicon rib waveguide structure.
    • Integration of two-photon-absorption photodiodes.
    • Simultaneous propagation of counter-propagating optical pulses.
    • Acquisition of correlation waveforms via photodiodes.

    Main Results:

    • The device operates over a broadband transmission range (1300-1630 nm).
    • High-resolution correlation waveforms were observed for femtosecond to picosecond pulses.
    • The autocorrelator demonstrated functionality across the C-band wavelength region.

    Conclusions:

    • The developed on-chip autocorrelator offers a compact and efficient solution for optical pulse characterization.
    • Silicon rib waveguides are suitable for broadband, high-resolution autocorrelator applications.
    • This integrated device has potential for applications in optical communications and metrology.