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Standing Waves in a Cavity

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A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

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Updated: May 18, 2026

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

A waveguide-typed plasmonic mode converter.

Hae-Ryeong Park¹, Jong-Moon Park, Min-Su Kim

¹School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-Do, South Korea.

|October 6, 2012

Summary

This summary is machine-generated.

This study presents waveguide-typed plasmonic mode converters (WPMCs) that efficiently convert optical modes. These devices can bridge micro- and nano-plasmonic integrated circuits.

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Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

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Published on: July 8, 2013

Area of Science:

Plasmonics
Nanophotonics
Integrated Optics

Background:

Plasmonic devices are crucial for miniaturizing optical circuits.
Efficient mode conversion is essential for interfacing different photonic components.

Purpose of the Study:

To design and demonstrate a novel waveguide-typed plasmonic mode converter (WPMC).
To enable efficient mode size transformation for integrated photonic circuits.

Main Methods:

Fabrication of a WPMC comprising insulator-metal-insulator (IMI) and insulator-metal-insulator-metal-insulator (IMIMI) waveguides.
Utilizing reversely tapered IMIMI waveguides with lateral silver mirrors (LSMs).
Employing the finite element method for mode size calculation and experimental measurement.

Main Results:

Successfully squeezed input mode size from 10.3 μm × 10.3 μm to ~2.9 μm × 2.9 μm.
Demonstrated conversion of s0 mode to Sa0 mode via an Ss0 mode.
Validated calculated mode sizes with experimental measurements.

Conclusions:

The developed WPMC effectively converts optical modes at 1.55 μm wavelength.
This technology holds potential for bridging micro- and nano-plasmonic integrated circuits.