Comparison of Silicon and Chalcogenide-based Chip-scale All-optical 2R Regenerators
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Mohammad Reza Salehi
,
Ali Shourvarzi
Abstract
An optical, 2R regenerator based on self phase modulation (SPM) spectral broadening, combining a 4 m-wide rib waveguide and a surface relief Bragg grating, both written on a 5 cm-long Si chip is proposed and theoretically analyzed. Because of the SPM nature and its origin of Kerr optical nonlinearities, this regenerator has subpicosecond response time. The nonlinear power transfer curves are plotted using 2.5 ps input pulses and regeneration can be done at 120 Gbit/s. It is tried to do all the simulations on both a Silicon (Si) and a Chalcogenide (ChG) chip with the same size and spectral properties to have a fair comparison between these two materials. Simulations show more practical nonlinear power transfer function with the Si chip comparing to the ChG one. The phase-shifted Bragg grating written on the same rib waveguide is proposed to regenerate 60 ps-wide pulses, for the first time.
Copyright 2011 De Gruyter
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Articles in the same Issue
- Minimization of Point Light Source Coordinates Determination Error on Photo Detectors
- Comparison of Silicon and Chalcogenide-based Chip-scale All-optical 2R Regenerators
- A High Q Design for N-channel Wavelength Division Demultiplexer
- All-optical KarhunenLoeve Transform Using Multimode Interference Structures on Silicon Nanowires
- Structural Study of Hole Assisted Fibers Considering Optical Parallel Transmission
- An Interesting Optical Behavior of Bent/Multi-branch Waveguides Based on Hexagonal-lattice Photonic Crystals
- Performance Analysis of Particle Swarm Optimization Based Routing Algorithm in Optical Burst Switching Networks
- A Managed Self-Organization of Virtual Network Topology Controls in WDM-based Optical Networks
- Performance Evaluation of Free Space Optics Communication System in the Presence of Forward Error Correction Techniques
- A Novel Reliable WDM-PON System
- Optical Generation and Distribution of OFDM Ultrawideband Signals Over Fiber
- Influence of Pre- and Post-compensation of Chromatic Dispersion on Equalization Enhanced Phase Noise in Coherent Multilevel Systems
- A New Technique for Reduction the Phase Induced Intensity Noise in SAC-OCDMA Systems
- Optical Labelling Scheme Based on Dedicated Wavelength and Hybrid Modulation Techniques
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