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Related Experiment Video

Updated: Jun 13, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

Simple distortion-free real-time optical pulse correlator.

R K Jain¹, J E Brown, W P Robinson

¹Hughes Research Laboratories, 3011 Malibu Canyon Road, Malibu, California 90265, USA.

|April 20, 2010

Summary

This summary is machine-generated.

We developed a new real-time optical pulse correlator for measuring ultrashort optical pulses. This device provides distortion-free correlation traces, even with nonlinear motion, using an accelerometer and integrators.

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Quasi-light Storage for Optical Data Packets

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Last Updated: Jun 13, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

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Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Area of Science:

Optics and Photonics
Ultrafast Science
Instrumentation

Background:

Accurate measurement of ultrashort optical pulses is crucial for various scientific and technological applications.
Traditional optical pulse correlators can suffer from distortions due to nonlinearities in mechanical components.
Real-time measurement capabilities are highly desirable for dynamic optical systems.

Purpose of the Study:

To design and demonstrate a novel real-time optical pulse correlator.
To achieve distortion-free correlation trace acquisition.
To overcome limitations imposed by nonlinear motion in correlator arms.

Main Methods:

Implementation of an accelerometer for precise position sensing of the correlator's moving arm.
Utilization of a pair of integrators to process the accelerometer data and determine instantaneous position.
Development of a real-time data acquisition and display system.

Main Results:

Successful operation of the novel real-time optical pulse correlator is demonstrated.
Distortion-free correlation traces were obtained, even with significant nonlinearities in the arm's motion.
The device enables real-time measurement and correlation of ultrashort optical pulses.

Conclusions:

The developed optical pulse correlator offers a significant advancement in measuring ultrashort optical pulses.
The integration of an accelerometer and integrators effectively compensates for mechanical nonlinearities.
This novel design facilitates accurate, real-time characterization of optical pulses in demanding environments.