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Related Experiment Video

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

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Published on: April 1, 2020

Phase retrieval by an array of overlapping time-lenses.

Hamootal Duadi, Tomer Yaron, Avi Klein

|February 16, 2019

Summary

Researchers developed a novel temporal phase retrieval technique using multiple time-lenses for high-resolution imaging of ultra-short events. This method offers faster convergence and improved stability for studying phenomena like rogue waves and laser dynamics.

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Last Updated: Jan 29, 2026

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

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Published on: April 1, 2020

Development of an In Vitro Ocular Platform to Test Contact Lenses

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Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System

Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System

Published on: March 6, 2019

Area of Science:

Optics and Photonics
Ultrafast Science
Nonlinear Dynamics

Background:

Temporal imaging of intensity and phase is crucial for studying ultra-short events.
Existing methods face limitations in resolution and stability for dynamic phenomena.

Purpose of the Study:

To develop a high-resolution temporal phase retrieval scheme.
To investigate ultra-short events like rogue waves and mode-locked laser dynamics.
To improve stability and reduce noise in phase retrieval.

Main Methods:

A temporal phase retrieval scheme utilizing several overlapping time-lenses.
Employing identical fibers and detectors across all time-lenses for consistency.
Comparison with single time-lens techniques combined with Fourier transforms.

Main Results:

Achieved record high resolution in temporal imaging of intensity and phase.
Demonstrated faster convergence of the phase retrieval technique compared to existing methods.
Ensured high stability and low noise levels due to shared components.

Conclusions:

The developed multi-time-lens scheme provides a robust and efficient method for temporal phase retrieval.
This technique enables advanced investigation of ultra-fast optical phenomena.
Offers a significant advancement over single time-lens approaches for high-resolution temporal imaging.