Design and Numerical Analysis of an All-optical 4-channel Power Splitter in E, S, C, L, and U Bands via Nano-line Defects in Photonic Crystal
-
Saeed Olyaee
,
Mahmood Seifouri
Abstract
In the present study, the propagation of electromagnetic waves in a square-lattice photonic crystal waveguide (PCW) is investigated using the finite-difference time-domain (FDTD) method. Then, the plane wave expansion (PWE) method is utilized to calculate the 2D photonic crystal band structure. To realize the desired waveguide, nano-line defects are introduced. The results of the numerical simulations and optimization scanning indicate that for the proposed photonic crystal structure consisting of silicon circular dielectric rods with a radius of 84 nm, a band gap can be achieved in the wavelength range of 1.34 μm<λ<1.93 μm. This wavelength range covers E, S, C, L, and U communication bands. Subsequently, by eliminating the rods in four parts of the structure, an all-optical 4-channel splitter can be designed. The numerical simulation results indicate that by coupling a light source to the main path of the structure and propagating it through each channel, the powers of the 4 output facets become approximately the same. The output power of channels 1 and 2 equals to 24.5 % of the input power, and the output power of channels 3 and 4 is 21 % of the input power and the remaining 9 % is lost in the structure as the leakage power. Since the 1.55 μm wavelength is within the band gap, that is the telecommunication band C, this device can be used as a power splitter.
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Articles in the same Issue
- Frontmatter
- Amplifiers
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- Performance Evaluation of DPSK System with Different Combination of Hybrid Optical Amplifiers by Using Equal and Unequal Channel Spacing
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- Investigation of Photonic Integrated Circuits with Low-Loss Bragg Gratings
- Design and Performance Analysis of MZI Based 2×2 Reversible XNOR Logic Gate
- Design and Numerical Analysis of an All-optical 4-channel Power Splitter in E, S, C, L, and U Bands via Nano-line Defects in Photonic Crystal
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- Integrated Optics
- A Novel Proposal for All-Optical OR/AND Gate Using Nonlinear Photonic Crystal Ring Resonators
- Design and Implementation of Electro-Optic 2×2 Switch and Optical Gates using MZI
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- Design of Multiservice Code (MS) in Spectral/Temporal/Spatial Domain for OCDMA System
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Articles in the same Issue
- Frontmatter
- Amplifiers
- Automatic Gain-Controlled HOA with Residual Pumping
- Performance Evaluation of DPSK System with Different Combination of Hybrid Optical Amplifiers by Using Equal and Unequal Channel Spacing
- Devices
- Investigation of Photonic Integrated Circuits with Low-Loss Bragg Gratings
- Design and Performance Analysis of MZI Based 2×2 Reversible XNOR Logic Gate
- Design and Numerical Analysis of an All-optical 4-channel Power Splitter in E, S, C, L, and U Bands via Nano-line Defects in Photonic Crystal
- Tunable High Performance 16-Channel Demultiplexer on 2D Photonic Crystal Ring Resonator Operating at Telecom Wavelengths
- Fibers
- Experimental Investigation of Intensity Modulator/Direct Detection (IM/DD) Optical OFDM System with Fiber Bragg Grating (FBG)
- Integrated Optics
- A Novel Proposal for All-Optical OR/AND Gate Using Nonlinear Photonic Crystal Ring Resonators
- Design and Implementation of Electro-Optic 2×2 Switch and Optical Gates using MZI
- Networks
- A Survey of Dynamic Bandwidth Assignment Schemes for TDM-Based Passive Optical Network
- Systems
- PIIN Cancellation Using a Novel Receiving Architecture for Spectral/Spatial SAC-OCDMA System
- Design of Multiservice Code (MS) in Spectral/Temporal/Spatial Domain for OCDMA System
- Enhanced Performances of SAC-OCDMA System by Using Polarization Encoding
- PAPR Reduction in MIMO-OFDM System Using SLM Without SI
- Companding Schemes for Reducing PAPR in OFDM System: A Review
