Search research articles

Related Concept Videos

You might also read

Related Articles

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

Sort by

Same author

Establishing a pure antiferroelectric PbZrO<sub>3</sub> phase through tensile epitaxial strain.

Nature communications·2025

Same author

Stability and phase transition of polar topological defects in multiferroic superlattices.

Nanoscale·2025

Same author

Determination of Laser-Induced Fluorescence Lifetimes Excited by Pulses of Comparable Duration.

Applied spectroscopy·2025

Same author

Hybrid Ferroelectric Tunnel Junctions: State of the Art, Challenges, and Opportunities.

ACS nano·2025

Same author

Ferroelectric Domain Wall Warp Memristor.

ACS applied materials & interfaces·2024

Same author

Engineering Domain Variants in 0.7Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)-0.3PbTiO<sub>3</sub> Single Crystals Using High-Frequency AC Poling.

Small methods·2024

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

Search research articles

Related Experiment Video

Updated: May 7, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Optical data encryption using time-dependent dynamics of refractive index changes in LiNbO3.

Daniel Sando, Esa Jaatinen

|October 10, 2013

Summary

We developed a new optical encryption method using lithium niobate crystals. This technique allows data to be securely written and erased, with a reversible degradation process for decryption.

More Related Videos

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

Related Experiment Videos

Last Updated: May 7, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

Area of Science:

Optics and Photonics
Materials Science
Information Security

Background:

Optical data storage and encryption are crucial for secure information management.
Photorefractive materials, like lithium niobate, offer unique properties for optical applications.
Understanding the dynamics of refractive index changes is key to controlling data storage and retrieval.

Purpose of the Study:

To present a novel method for optical encryption utilizing the time-dependent dynamics of refractive index changes.
To investigate the relationship between data degradation and recovery rates in photorefractive media.
To establish a technique for determining optimal erasure times for decryption and material characterization.

Main Methods:

Employing a spatially amplitude-modulated laser beam to write information into a bulk lithium niobate crystal.
Analyzing the degradation of stored data due to overexposure and demonstrating its reversibility.
Quantifying the one-to-one relationship between degradation and recovery rates.

Main Results:

Demonstrated a method for optical encryption and decryption based on controlled refractive index changes.
Established a direct correlation between the rates of data degradation and recovery.
Showcased that data degradation can be reversed, enabling secure information retrieval.
Identified a method to calculate the necessary erasure time for decrypting scrambled index patterns.

Conclusions:

The presented optical encryption method offers a secure and reversible approach to data storage.
The established relationship between degradation and recovery rates provides a practical means for decryption.
This technique serves as a general method for characterizing writing and erasure dynamics in photorefractive materials.