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Photonic Slab with Axially Frozen Mode

詳細技術說明: University researchers have invented a photonic slab design that can be used to enhance the capability and performance of microwave, millimeter wave, and submillimeter wave antennas, delay lines, nonlinear and nonreciprocal elements. It can also be used in integrated microwave circuitry.

*Abstract: A unidirectional gyrotropic photonic crystal allows electromagnetic wave propagation in a certain direction at a certain frequency and at the same time, impedes electromagnetic wave propagation in the opposite direction. The electromagnetic wave with impeded propagation, called the "frozen mode", ideally has zero group velocity and does not transfer the electromagnetic energy. A unidirectional gyrotropic photonic crystal is a periodic composite, incorporating a component displaying Faraday rotation. The property of unidirectionality can be achieved in gyrotropic photonic crystals by proper choices of constituents and their space arrangement.

*Principal Investigation: Name: Aleksandr Figotin
Department:

Name: Ilya Vitebskiy
Department:

附加資料: Patent Number: US7072555B1
Application Number: US2004839117A
Inventor: Figotin, Aleksandr | Vitebskiy, Ilya
Priority Date: 1 May 2003
Priority Number: US7072555B1
Application Date: 3 May 2004
Publication Date: 4 Jul 2006
IPC Current: G02B000610
US Class: 385129 | 385131
Assignee Applicant: The Regents of the University of California
Title: Systems and methods for transmitting electromagnetic energy in a photonic device
Usefulness: Systems and methods for transmitting electromagnetic energy in a photonic device
Summary: For photonic crystal device used in microwave, infrared, optical and ultraviolet technologies, lasing application, as host for multi-dimensional integrated optical network and as incident wave receiver.
Novelty: Photonic device used in lasing application, has segments each including anisotropic dielectric layer having axis at angle oblique to normal direction, and isotropic or anisotropic layer

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