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Design and fabrication of high efficiency power coupler between different photonic crystal waveguides

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9 Author(s)
Jia, Wei ; Department of Physics, Nanjing University of Science and Technology, Nanjing 210094, People''s Republic of China ; Jun Deng ; Sahadevan, Ajeesh M. ; Wu, Hong
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Based on inspiration from an inverse optimization strategy and theoretical finite-difference time-domain method simulations, an ultralow loss power coupler between two different photonic crystal waveguides was designed, fabricated and characterized. The experimental results showed that the loss was less than 1 dB for transverse electric polarized light at a wavelength of 1550 nm, which is consistent with expectations from numerical modeling. High efficiency optical couplers are critical for development of integrated optical circuit functionality.

Published in:

Applied Physics Letters  (Volume:98 ,  Issue: 24 )

Date of Publication:

Jun 2011

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