Slow Light Effect of Photonic Crystal Waveguides by Adjusting Parameters of Crescent Scatterers

2014 ◽  
Vol 926-930 ◽  
pp. 415-418
Author(s):  
Yong Wan ◽  
Yue Guo ◽  
Jing Gao ◽  
Ming Hui Jia
Keyword(s):  
Photonic Crystal ◽  
Degrees Of Freedom ◽  
Slow Light ◽  
Expansion Method ◽  
Photonic Crystal Waveguides ◽  
Light Effect ◽  
Plane Wave Expansion Method ◽  
Multiple Degrees Of Freedom ◽  
Low Dispersion ◽  
Center Distance

Crescent scatterers possess the properties of anisotropy and multiple degrees of freedom. With plane-wave expansion method (PWE), the slow light effect with high ngand low dispersion can be achieved by optimizing the structure parameters of photonic crystal waveguide with line defect, such as changing the radius of two circles and center distance. Slow light with low dispersion can be obtained by these methods, which implies that choosing suitable scatterers and adjusting their parameters can efficiently achieve slow light with high ng and low dispersion.

Wideband and Low Dispersion Slow Light in Lattice-Shifted Photonic Crystal Waveguides

2013 ◽  
Vol 31 (19) ◽  
pp. 3188-3194 ◽  
Author(s):  
Jian Tang ◽  
Tao Wang ◽  
Xiaoming Li ◽  
Boyun Wang ◽  
Chuanbo Dong ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Slow Light ◽  
Photonic Crystal Waveguides ◽  
Low Dispersion

Wideband slow light with low dispersion in asymmetric slotted photonic crystal waveguides

2013 ◽  
Vol 52 (34) ◽  
pp. 8394 ◽  
Author(s):  
Bo Liu ◽  
Tao Wang ◽  
Jian Tang ◽  
Xiaoming Li ◽  
Chuanbo Dong ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Slow Light ◽  
Photonic Crystal Waveguides ◽  
Low Dispersion

scholarly journals Low-group-velocity and low-dispersion slow light in photonic crystal waveguides

2007 ◽  
Vol 32 (20) ◽  
pp. 2981 ◽  
Author(s):  
Shousaku Kubo ◽  
Daisuke Mori ◽  
Toshihiko Baba
Keyword(s):  
Photonic Crystal ◽  
Group Velocity ◽  
Slow Light ◽  
Photonic Crystal Waveguides ◽  
Low Dispersion

scholarly journals Slow light in photonic crystals waveguides

2013 ◽  
Vol 23 ◽  
pp. 27-30
Author(s):  
G. López-Galmiche ◽  
A. Vázquez-Guardado ◽  
I. De León ◽  
J. J. Sánchez-Mondragón
Keyword(s):  
Photonic Crystal ◽  
Photonic Crystals ◽  
Plane Wave ◽  
Slow Light ◽  
Expansion Method ◽  
Photonic Crystal Waveguide ◽  
Plane Wave Expansion ◽  
Plane Wave Expansion Method ◽  
Wave Expansion

We analyzed the scattering produced by technological imperfections in a strip photonic crystal waveguide. Modeling and losses analysis of the slow light structures were carried out by plane wave expansion method using the MPB software.

Slow Light Properties of 2D Photonic Crystal Waveguide for Optical Storage in Optical Computers

2012 ◽  
Vol 452-453 ◽  
pp. 1210-1214
Author(s):  
Qi Liu ◽  
Qi Chao Liu
Keyword(s):  
Dielectric Constant ◽  
Photonic Crystal ◽  
Group Velocity ◽  
Slow Light ◽  
Group Velocity Dispersion ◽  
Expansion Method ◽  
Plane Wave Expansion Method ◽  
Central Frequency ◽  
Optical Computers ◽  
Guide Mode

Slow light properties of the photonic crystal line-defect waveguide are researched with the plane wave expansion method. The structure of the waveguide is adjusted with several methods mentioned above at the same time and the slow light properties get better. For the structure of dielectric rods, central frequency and the group velocity of the guided modes decrease with the increase of the radii of the defected rods as well as the dielectric constant. Effects on the slow light from the change of the defected rods’ position are also studied, through moving the rods up and down; we get the almost linear guide mode which has flat slow light curve and smaller group velocity. In a word, group velocity of the slow light is mainly affected by the radii and dielectric constant of the defected rods, and group velocity dispersion is decided by the change of the defected rods’ location.

scholarly journals Improving Low-Dispersion Bandwidth of the Silicon Photonic Crystal Waveguides for Ultrafast Integrated Photonics

Photonics ◽  
2021 ◽  
Vol 8 (4) ◽  
pp. 105
Author(s):  
Jinghan Pan ◽  
Meicheng Fu ◽  
Wenjun Yi ◽  
Xiaochun Wang ◽  
Ju Liu ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Slow Light ◽  
Cmos Technology ◽  
Flat Band ◽  
Integrated Photonics ◽  
Femtosecond Pulses ◽  
Photonic Crystal Waveguide ◽  
Photonic Crystal Waveguides ◽  
Silicon Photonic ◽  
Low Dispersion

We design a novel slow-light silicon photonic crystal waveguide which can operate over an extremely wide flat band for ultrafast integrated nonlinear photonics. By conveniently adjusting the radii and positions of the second air-holes rows, a flat slow-light low-dispersion band of 50 nm is achieved numerically. Such a slow-light photonic crystal waveguide with large flat low-dispersion wideband will pave the way for governing the femtosecond pulses in integrated nonlinear photonic platforms based on CMOS technology.

Slow-light Enhanced Nonlinear Optics in Silicon Photonic Crystal Waveguides

PIERS Online ◽  
2010 ◽  
Vol 6 (3) ◽  
pp. 273-278 ◽  
Author(s):  
David J. Moss ◽  
B. Corcoran ◽  
C. Monat ◽  
Christian Grillet ◽  
T. P. White ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Nonlinear Optics ◽  
Slow Light ◽  
Photonic Crystal Waveguides ◽  
Silicon Photonic
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