Photonic Crystals

Joannopoulos, John D.; Johnson, Steven G.; Winn, Joshua N.; Meade, Robert Douthat

doi:10.2307/j.ctvcm4gz9

Cited by 1,813 publications

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“…Well-known examples of periodic dielectric structures include photonic crystals [11][12][13][14], periodic arrays of coupled optical resonators [15][16][17][18][19][20][21][22][23], and photonic crystal coupled waveguide [24][25][26][27][28][29][30][31]. Low speed of pulse propagation in all these cases is the result of coherent interference of light scattered at the interfaces of adjacent structural components.…”

Section: Slow Light In Spatially Periodic Structuresmentioning

confidence: 99%

“…Photonic crystals are spatially periodic structures composed of two or more different transparent dielectric materials [11][12][13][14]. Unlike the case of optical waveguides and linear arrays of coupled resonators, in photonic crystals we have bulk electromagnetic waves capable of propagating in any direction through the periodic heterogeneous structure.…”

Section: Examples Of Periodic Arrays Supporting Slow Lightmentioning

confidence: 99%

“…Normally, each spectral branch ω k of the Bloch dispersion relation develops stationary points ω s ω k s where the group velocity (2) of the corresponding propagating mode vanishes dω dk 0 at ω ω s ω k s (11) Examples of different stationary points are shown in Fig. 1.…”

Section: Examples Of Periodic Arrays Supporting Slow Lightmentioning

confidence: 99%

“…At any given frequency, the total number of Bloch eigenmodes with k z is four. The only exception are the stationary point frequencies (11), where some of the four eigenmodes cannot be represented in the Bloch form (19). Those cases will be discussed later.…”

Section: Bloch Composition Of Frozen Modementioning

confidence: 99%

“…Note also that the assumption that the transmitted wave Ψ T z is a superposition of propagating and/or evanescent Bloch eigenmodes may not apply if the frequency ω exactly coincides with one of the stationary point frequencies (11). For example, at frequency ω 0 of stationary inflection point (12), there are no evanescent solutions to the Maxwell equations, and the transmitted wave Ψ T z is a (non-Bloch) Floquet eigenmode linearly growing with z [35,36].…”

Section: Laser and Photonics Reviewsmentioning

confidence: 99%

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Slow wave phenomena in photonic crystals

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Vitebskiy

2011

Laser & Photonics Reviews

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Section: Slow Light In Spatially Periodic Structuresmentioning

confidence: 99%

Section: Examples Of Periodic Arrays Supporting Slow Lightmentioning

confidence: 99%

Section: Examples Of Periodic Arrays Supporting Slow Lightmentioning

confidence: 99%

Section: Bloch Composition Of Frozen Modementioning

confidence: 99%

Section: Laser and Photonics Reviewsmentioning

confidence: 99%

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Slow wave phenomena in photonic crystals

Figotin

Vitebskiy

2011

Laser & Photonics Reviews

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Subwavelength Plasmonic Two‐Conductor Waveguides

Mahigir

Dastmalchi

Veronis

et al. 2016

Wiley Encyclopedia of Electrical and Electronics Engineering

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This article reviews advances in the development of subwavelength plasmonic two‐conductor waveguides. First, the properties of two‐dimensional (2D) plasmonic two‐conductor waveguides, which are commonly referred to as metal–dielectric–metal (MDM) waveguides, are discussed. This is followed by a review of the properties of three‐dimensional (3D) plasmonic two‐conductor waveguides, such as plasmonic slot waveguides and plasmonic coaxial waveguides. Following the discussion of plasmonic two‐conductor waveguiding geometries, the properties of components based on these waveguides are reviewed. More specifically, we focus on bends and splitters that are essential components of optical integrated circuits. The properties of such bends and splitters in 2D and 3D plasmonic two‐conductor waveguides are discussed. Finally, the fabrication and optical characterization methods for 2D and 3D plasmonic two‐conductor waveguides are presented.

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Photonic Bandgap (PBG)

Martı́nez

Griol

Sanchís

et al. 2005

Encyclopedia of RF and Microwave Engineering

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Photonic bandgap materials are expected to play an important role in the near future mainly because of their potential capability to provide extremely compact optical circuits. A large variety of applications have been proposed and demonstrated in both the microwave and optical regimes. In this way, the microwave regime has become a useful instrument to experimentally demonstrate applications initially proposed for the optical domain, thanks to the scaling properties of the Maxwell equations and the easier and cheaper fabrication and testing capabilities of the fabricated structures compared to their optical counterparts. This can be illustrated by the fact that the first photonic bandgap structures were developed to work at microwave frequencies. Photonic bandgap structures have also attracted interest for microwave applications in themselves, and several proposals of electromagnetic bandgap techniques and circuits aimed at improving the properties of current microwave and millimeter‐wave devices have been reported. The concept of photonic bandgap is so wide that it becomes unapproachable to summarize all the knowledge related to this field in a few pages. Thus, although a general vision of the field is offered to the reader, we have focused our efforts on passive microwave components and devices that make use of the principles of photonic bandgap. We start this chapter with a brief historical introduction and a description of photonic bandgap fundamentals. Then, we first summarize some typical functionalities employed in passive optical devices (waveguides, directional couplers, Y junctions, and interferometers), which are tested at microwave frequencies by using a photonic bandgap structure based on alumina rods. The obtained results allow us to visualize a near‐future implementation of the proposed devices using photonic bandgap technology in the optical domain. In a second step, we show how the photonic bandgap concept can be applied to a very extended microwave technology, specifically microstrip technology, and describe and experimentally demonstrate some applications such as novel filter structures and harmonic suppression in microstrip bandpass filters based on coupled rings. Finally, a brief summary of the application of photonic bandgap structures in the optical regime is drawn.

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Photonic Crystals

Cited by 1,813 publications

References 0 publications

Slow wave phenomena in photonic crystals

Slow wave phenomena in photonic crystals

Subwavelength Plasmonic Two‐Conductor Waveguides

Photonic Bandgap (PBG)

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