1x3 power splitter based on 2D slab photonic crystal multiple line defect waveguides

Rajat Dey; Jayshri Sabarinathan

doi:10.1117/12.905716

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8 September 2011 1×3 power splitter based on 2D slab photonic crystal multiple line defect waveguides

Rajat Dey, Jayshri Sabarinathan

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Proceedings Volume 8007, Photonics North 2011; 80071M (2011) https://doi.org/10.1117/12.905716
Event: Photonics North 2011, 2011, Ottawa, Canada

Abstract

2-D slab photonic crystal multiple line defect waveguides have been designed for optical power splitting application which has numerous applications in photonic integrated circuit. The operation of the device is based on multimode interference effects and self-imaging phenomenon. The proposed structure consists of multiple photonic crystal line defect waveguides which are formed in the Γ-K direction by removing several entire rows of air-holes. The adjacent photonic crystal waveguides are separated by a row of air-holes. In this scheme a 1×3 power splitter is designed which involves three photonic crystal line defect waveguides multimode region, five photonic crystal line defect waveguides multimode region and one separation region. The entire structure is verified by 3-D finite difference time domain method. The transmitted power achieved at each output channel i.e. CH1, CH2 and CH3 are about 26.3%, 26.8% and 26.3% respectively. The total transmitted output power of 1×3 power splitter is 79.4% at target wavelength of 1.55μm.

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Rajat Dey and Jayshri Sabarinathan "1×3 power splitter based on 2D slab photonic crystal multiple line defect waveguides", Proc. SPIE 8007, Photonics North 2011, 80071M (8 September 2011); https://doi.org/10.1117/12.905716

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