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$Interference and Diffraction$ 02:18

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Updated: Dec 25, 2025

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

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Published on: August 5, 2013

Omni-resonant space-time wave packets.

Abbas Shiri, Murat Yessenov, Rohinraj Aravindakshan

|April 3, 2020

Summary

This summary is machine-generated.

Researchers developed novel "omni-resonant" optical beams that transmit through Fabry-Perot resonators without spectral filtering. These diffraction-free, ultrashort wave packets maintain their properties regardless of cavity linewidth, enabling new optical applications.

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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
Quantum Optics
Wave Phenomena

Background:

Fabry-Perot resonators typically spectrally filter light.
Ultrashort pulsed optical beams have broad spectral bandwidths.
Traditional beams are spectrally filtered by resonators with narrow linewidths.

Purpose of the Study:

To introduce and experimentally verify a novel class of diffraction-free pulsed optical beams.
To demonstrate the

Main Methods:

Theoretical modeling of novel optical beam properties.
Experimental verification using planar Fabry-Perot resonators.
Characterization of ultrashort wave packets with specific spatiotemporal structures.

Main Results:

Demonstrated a new class of "omni-resonant" diffraction-free pulsed optical beams.
Confirmed transmission through Fabry-Perot resonators without spectral filtering, even with broad bandwidths.
Observed retention of beam bandwidth, spatiotemporal profile, and diffraction-free behavior through narrow-linewidth cavities.

Conclusions:

Omni-resonant beams overcome spectral filtering limitations of Fabry-Perot resonators.
Specific spatiotemporal structuring enables coupling to single resonant modes irrespective of linewidth.
This class of beams offers new possibilities for manipulating and transmitting light pulses.