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

Three-Dimensional Microscopy in Microbiology

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

Confocal Fluorescence Microscopy

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

You might also read

Related Articles

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

Sort by

Same author

Multi-span transmission of WDM signals with a Mach-Zehnder polarization-insensitive fiber optical parametric amplifier.

Optics express·2026

Same author

Monolithic excitable photonic neuron.

Optics express·2026

Same author

Dual optical frequency comb using a multi-functional PIC based on fully integrated injection locked gain-switched lasers.

Scientific reports·2025

Same author

Optical frequency comb bandwidth enhancement of a monolithically integrated gain switched device.

Optics express·2025

Same author

A fluorescent aptasensor for accurate and sensitive detection of glyphosate based on asymmetrically competitive CRISPR/Cas12a with phosphorothioate-modified G-quadruplex.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2025

Same author

A Tentative Clinical Study: Colistin Combined with Ceftazidime/Avibactam in the Treatment of Carbapenem-Resistant Gram-Negative Bacilli Infection.

Infection and drug resistance·2025

Search research articles

Related Experiment Video

Updated: May 22, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Characterization of time-resolved laser differential phase using 3D complementary cumulative distribution functions.

Anthony J Walsh¹, John A O'Dowd, Vivian M Bessler

¹Tyndall National Institute, Lee Maltings, Cork, Ireland. anthony.walsh@tyndall.ie

|May 26, 2012

Summary

This study introduces a new method to measure time-resolved phase noise in fast switching tunable lasers. The technique accurately predicts bit error rates for optical communication systems.

More Related Videos

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Published on: June 15, 2022

Measurement of 3-Dimensional cAMP Distributions in Living Cells using 4-Dimensional (x, y, z, and λ) Hyperspectral FRET Imaging and Analysis

Measurement of 3-Dimensional cAMP Distributions in Living Cells using 4-Dimensional (x, y, z, and λ) Hyperspectral FRET Imaging and Analysis

Published on: October 27, 2020

Related Experiment Videos

Last Updated: May 22, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Quantifying Cytoskeleton Dynamics Using Differential Dynamic Microscopy

Published on: June 15, 2022

Measurement of 3-Dimensional cAMP Distributions in Living Cells using 4-Dimensional (x, y, z, and λ) Hyperspectral FRET Imaging and Analysis

Measurement of 3-Dimensional cAMP Distributions in Living Cells using 4-Dimensional (x, y, z, and λ) Hyperspectral FRET Imaging and Analysis

Published on: October 27, 2020

Area of Science:

Optics and Photonics
Optical Communications Engineering
Laser Physics

Background:

Fast switching tunable lasers are crucial for modern optical communication systems.
Characterizing time-resolved phase noise is essential for optimizing laser performance and data integrity.
Existing methods may not adequately capture the dynamic phase noise behavior critical for high-speed applications.

Purpose of the Study:

To develop and validate an experimental method for characterizing the time-resolved phase noise of fast switching tunable lasers.
To establish a correlation between laser phase noise dynamics and data transmission quality.
To provide a tool for improving the reliability of optical communication systems.

Main Methods:

An experimental technique was employed to measure the complementary cumulative distribution function of the laser's differential phase over time post-switching.
Time-resolved bit error rate (BER) for differential quadrature phase shift keying (DQPSK) data was calculated from the phase noise measurements.
The calculated time-resolved BER was experimentally validated using a field-programmable gate array (FPGA) setup.

Main Results:

The experimental method successfully characterized the time-resolved phase noise of the fast switching tunable laser.
A strong agreement was found between the theoretically calculated time-resolved BER derived from phase noise measurements and the experimentally measured time-resolved BER.
The study demonstrates the direct impact of dynamic phase noise on optical data transmission fidelity.

Conclusions:

The presented experimental method provides an effective means to quantify time-resolved phase noise in tunable lasers.
Accurate phase noise characterization is directly linked to predicting and improving bit error rates in high-speed optical communication.
This work contributes to the advancement of reliable and high-performance optical communication technologies.