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Updated: May 13, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Slow light engineering in periodic-stub-assisted plasmonic waveguide.

¹State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, China. wangguoxi@opt.cn

|March 23, 2013

Summary

We engineered slow light in a plasmonic waveguide using periodic stubs. This compact design achieves a high delay-bandwidth product and dispersion-free operation, ideal for optical buffers.

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Area of Science:

Photonics and Nanophotonics
Optical Waveguide Engineering
Plasmonics

Background:

Slow light phenomena enable enhanced light-matter interactions.
Plasmonic waveguides offer subwavelength confinement for miniaturized optical devices.
Controlling waveguide dispersion is crucial for optical signal processing.

Purpose of the Study:

To investigate slow light engineering in a novel periodic-stub-assisted plasmonic waveguide.
To explore the tunability of the waveguide's dispersion characteristics.
To assess the potential for dispersion-free slow light operation and optical buffering applications.

Main Methods:

Utilized transmission line theory for theoretical analysis.
Investigated the impact of stub depth and period on dispersion.

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Last Updated: May 13, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Analyzed the group index and delay-bandwidth product.

Examined the dispersion curve for zero group velocity dispersion points.

Main Results:

Achieved a large normalized delay-bandwidth product of 0.65 at 1550 nm.
Maintained a high group index of 35.
Observed an "S-shaped" dispersion curve, enabling dispersion-free operation.
Demonstrated excellent buffering capacity in the compact configuration.

Conclusions:

The proposed periodic-stub-assisted plasmonic waveguide allows for effective slow light engineering.
Tunable dispersion characteristics facilitate the realization of dispersion-free slow light.
The compact design with buffering capabilities is suitable for integrated optical circuits and optical buffers.