Photonic Crystal Waveguides
Photonic Crystal Waveguides - Related Videos
11:08
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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Cited by 14 •
2012
Use of photonic crystal slow light waveguides and cavities has been widely adopted by the photonics community in many differing applications. Therefore fabrication and characterization of these devices are of great interest. This paper outlines our fabrication technique and two optical characterization methods, namely: interferometric (waveguides) and resonant scattering (cavities).
13:02
Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Cited by 3 •
2017
We present a protocol for fabricating 1-D photonic crystal cavities on subwavelength diameter silica fibers (optical nanofibers) using femtosecond laser-induced ablation.
09:29
Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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2011
Plasmonic tweezers and photonic crystal nanostructures are shown to produce useful enhancements in the efficiency and orientation control of optically trapping micro- and nano-particles.
07:28
Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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Cited by 3 •
2012
The procedure for implementing a refractive index sensor for terahertz frequencies based on a grooved parallel-plate waveguide geometry is described here. The method yields a measurement of the refractive index of a small volume of liquid through monitoring of the shift in the resonant frequency of the waveguide...
10:35
Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
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2014
Disordered structures offer new mechanisms for forming photonic bandgaps and unprecedented freedom in functional-defect designs. To circumvent the computational challenges of disordered systems, we construct modular macroscopic samples of the new class of PBG materials and use microwaves to characterize their scale-invariant photonic properties, in an easy and inexpensive manner.
FAQs
The periodic refractive-index pattern creates a range of frequencies in which propagation is prevented, forming the photonic band gap. Introducing a line defect changes the local optical environment and permits selected modes within that otherwise restricted range. Those allowed modes remain confined to the defect path, giving engineers control over where electromagnetic energy travels.
Strong light confinement concentrates optical behavior within a very small structure, allowing the device to occupy less space and fit more readily into integrated photonic circuits. The same confinement can reduce power requirements, making these waveguides attractive where compactness and energy efficiency are important engineering goals.
The overview identifies strong light confinement as an enabling feature for nonlinear photonics. By supporting optical behavior in compact structures, these waveguides can serve as building blocks for advanced photonic components. This makes them relevant to engineering efforts that seek integrated devices with more complex optical functions.
In optical communication, these waveguides provide a compact route for directing light within photonic circuitry. Their use in on-chip signal processing extends that role from transmission to manipulation of optical information on an integrated platform. The engineering value lies in combining guided optical paths with small dimensions, supporting compact, lower-power circuit designs.
Photonic crystal waveguides support sensing by providing a compact platform for precise manipulation of electromagnetic waves. Their patterned structure and guided modes can be incorporated into integrated optical devices, while their small dimensions support compact sensor architectures. In engineering, sensing is a distinct application alongside communication, signal processing, and nonlinear photonics.
Their relevance spans both areas because the same core capabilities, compact integration, strong confinement, and controlled light propagation, can support different optical-system architectures. The overview identifies photonic crystal waveguides as enabling advanced components for quantum and classical systems, linking compact engineering with a broad range of information-processing and photonic applications.