Dual-band wavelength demultiplexer consisting of SOI based photonic crystals: design and analysis

Swati Rawal; R. K. Sinha

doi:10.1117/12.794859

25 August 2008 Dual-band wavelength demultiplexer consisting of SOI based photonic crystals: design and analysis

Swati Rawal, R. K. Sinha

Proceedings Volume 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II; 70560T (2008) https://doi.org/10.1117/12.794859
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

Abstract

Dual Band Wavelength Demultiplexer (DBWD) is designed to separate two telecommunication wavelengths, 1.31μm and 1.55 μm utilizing photonic crystals (PhC) in Silicon on Insulator (SOI). The waveguides formed in such PhC structures confine light horizontally by a photonic bandgap and vertically by total internal reflection. Plane Wave Expansion (PWE) method and Finite Difference Time Domain method are used to design and analyze the DBWD in Y type PhC. Numerical analysis indicates that the separation of two wavelengths with enhanced extinction ratio, transmittance and quality factor can be achieved, which confirms the superior performance of the proposed design of DBWD

Citation Download Citation

Swati Rawal and R. K. Sinha "Dual-band wavelength demultiplexer consisting of SOI based photonic crystals: design and analysis", Proc. SPIE 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, 70560T (25 August 2008); https://doi.org/10.1117/12.794859

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