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15 June 2015 Generating multiple narrowband sources from a broadband LED using defects in its top 2D photonic crystal vertical stack
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Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 96541I (2015) https://doi.org/10.1117/12.2182825
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India
Abstract
Vertical 2D PhC having a T-type three port channel on top of InGaAs/GaAs broadband IR LED is considered. Top PhC is created by 2D periodic repetation of InAs rods in air. T-Channel is created by replacing some solid rods by air. Light from LED is focussed within the channel. Part of LED light having wavelength out side the PhC bandgap will pass normally and wavelength within PhC will be guided by the channel. By introducing two different defects in the two arms of ‘T’ channel tuning of two demultiplexed narrowband sources is obtained.
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Rajib Ghosh, Kamal Kanti Ghosh, and Rajib Chakraborty "Generating multiple narrowband sources from a broadband LED using defects in its top 2D photonic crystal vertical stack", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96541I (15 June 2015); https://doi.org/10.1117/12.2182825
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