Novel Functionalities and Devices Based on Non-linear Frequency Conversion in Low Loss, CMOS Compatible Integrated Waveguide Structures

2011 ◽  
Author(s):  
R. Morandotti ◽  
A. Pasquazi ◽  
Y. Park ◽  
M. Peccianti ◽  
B. E. Little ◽  
...  
Keyword(s):  
Frequency Conversion ◽  
Low Loss ◽  
Linear Frequency ◽  
Non Linear ◽  
Cmos Compatible

A pulsed laser system with large spectral coverage extended by non-linear frequency conversion

2009 ◽  
Vol 97 (3) ◽  
pp. 583-589 ◽  
Author(s):  
D. Depenheuer ◽  
J. Kohl-Landgraf ◽  
H. Gläßer ◽  
T. Walther
Keyword(s):  
Frequency Conversion ◽  
Laser System ◽  
Pulsed Laser ◽  
Spectral Coverage ◽  
Linear Frequency ◽  
Non Linear

scholarly journals A Metasurfaces Review: Definitions and Applications

2019 ◽  
Vol 9 (13) ◽  
pp. 2727 ◽  
Author(s):  
Syed S. Bukhari ◽  
J(Yiannis) Vardaxoglou ◽  
William Whittow
Keyword(s):  
Critical Review ◽  
Frequency Selective Surfaces ◽  
Low Loss ◽  
Naturally Occurring ◽  
Manufacturing Complexity ◽  
Non Linear ◽  
Phase Discontinuity ◽  
Wavefront Shaping ◽  
Salient Features ◽  
Planar Metamaterials

This paper is a critical review of metasurfaces, which are planar metamaterials. Metamaterials offer bespoke electromagnetic applications and novel properties which are not found in naturally occurring materials. However, owing to their 3D-nature and resonant characteristics, they suffer from manufacturing complexity, losses and are highly dispersive. The 2-dimensional nature of metasurfaces allows ease of fabrication and integration into devices. The phase discontinuity across the metasurface offers anomalous refraction, thereby conserving the good metamaterial properties while still offering the low-loss characteristics. The paper discusses salient features and applications of metasurfaces; wavefront shaping; phase jumps; non-linear metasurfaces; and their use as frequency selective surfaces (FSS).

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