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Related Experiment Video

Updated: Jun 19, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Transverse optical structures in a ring resonator with intensity-phase coupling.

H Rehn, R Kowarschik

|November 3, 2009

Summary

This summary is machine-generated.

Researchers observed novel traveling bright light spots in a new ring resonator. This system, using a liquid-crystal modulator and photorefractive crystal, can store weak optical signals.

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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

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Published on: November 30, 2012

Area of Science:

Nonlinear optics
Photorefractive materials
Optical resonators

Background:

Ring resonators are crucial for various optical applications.
Photorefractive materials like Barium Titanate (BaTiO3) exhibit unique light-induced refractive index changes.
Spatial light modulators (SLMs) allow for dynamic control of light wavefronts.

Purpose of the Study:

To investigate novel transverse optical structures in a new ring resonator design.
To explore the capabilities of integrating an optically addressable SLM with a photorefractive BaTiO3 crystal.
To demonstrate the storage of weak optical signals within this system.

Main Methods:

Constructed a novel ring resonator incorporating an optically addressable liquid-crystal spatial light modulator (SLM) and a BaTiO3 crystal.
Utilized the photorefractive beam fanning effect within the BaTiO3 crystal.
Employed an interferometer to control and align the resonator.
Investigated information encoding via light wave phase and intensity.

Main Results:

Observed the formation of transverse optical structures, specifically traveling bright light spots.
Demonstrated that the movement of these structures is dependent on resonator alignment.
Successfully showed the capability of the resonator to store weak optical signals.

Conclusions:

The novel ring resonator design enables the generation and control of transverse optical structures.
The integration of SLM and photorefractive BaTiO3 crystal offers a new platform for optical information processing.
This system shows potential for optical signal storage applications.