Nanophotonic technologies for innovative all- optical signal processor using photonic crystals and quantum dots

2009 ◽  
Author(s):  
Y. Sugimoto ◽  
N. Ikeda ◽  
N. Ozaki ◽  
Y. Watanabe ◽  
S. Ohkouchi ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Photonic Crystals ◽  
Optical Signal ◽  
All Optical ◽  
Signal Processor

SIGNAL PROCESSING IN PHOTONIC CRYSTALS AND NANOSTRUCTURES

2006 ◽  
Vol 15 (01) ◽  
pp. 55-76
Author(s):  
S. WABNITZ
Keyword(s):  
Signal Processing ◽  
Photonic Crystals ◽  
Frequency Conversion ◽  
Optical Signal ◽  
Optical Pulses ◽  
Linear Dispersion ◽  
Polarized Beams ◽  
Pulse Distortion ◽  
All Optical ◽  
Crystal Fibers

Optical devices employing photonic crystals and novel nanostructure materials may exhibit useful properties for applications to all-optical signal processing. In this work we analyze as a first example four-wave mixing of polarized beams in photonic crystal fibers. We show that by properly tuning the pump wavelength and the linear dispersion properties of the fiber one may obtain broadband parametric amplification and frequency conversion. Next we consider the in-line periodic amplification of short optical pulses by means of quantum-dot semiconductor optical amplifiers. We show by numerical simulations that pattern-free amplification of a 40 Gbit/s soliton signal at 1300 nm is possible without any inter-symbol interference or nonlinear pulse distortion caused by the fast gain dynamics.

Nanotechnologies of photonic crystals and quantum dots for ultrasmall and ultrafast all-optical switches

2004 ◽  
Author(s):  
Kiyoshi Asakawa ◽  
Yoshimasa Sugimoto ◽  
H. Nakamura ◽  
Naoki Ikeda ◽  
Y. Tanaka ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Photonic Crystals ◽  
Optical Switches ◽  
All Optical

All-optical signal processing in photonic crystals covered with fast nonlinear materials

2008 ◽  
Author(s):  
Eugene Ya. Glushko ◽  
Alexander E. Glushko ◽  
Vladimir N. Evteev ◽  
Alexander N. Stepanyuk
Keyword(s):  
Signal Processing ◽  
Photonic Crystals ◽  
Optical Signal Processing ◽  
Optical Signal ◽  
Nonlinear Materials ◽  
All Optical

An all optical photonic crystal half adder suitable for optical processing applications

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Hamed Azhdari ◽  
Sahel Javahernia
Keyword(s):  
Photonic Crystal ◽  
Optical Waveguides ◽  
High Speed ◽  
Building Blocks ◽  
Optical Signal ◽  
Ring Resonators ◽  
Optical Processing ◽  
Nonlinear Photonic Crystal ◽  
Half Adder ◽  
All Optical

Abstract Increasing the speed of operation in all optical signal processing is very important. For reaching this goal one needs high speed optical devices. Optical half adders are one of the important building blocks required in optical processing. In this paper an optical half adder was proposed by combining nonlinear photonic crystal ring resonators with optical waveguides. Finite difference time domain method wase used for simulating the final structure. The simulation results confirmed that the rise time for the proposed structure is about 1 ps.

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