J. Sim, Yong‐Duck Chung, K. Choi, Y. Kang, Sung-Bock Kim, Yong-Hwan Kwon, Jeha Kim
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Monolithic Electroabsorption Modulator Integrated with Spot Size Converter
We demonstrated a spot size converter integrated electroabsorption modulator associated with dual waveguide structure, which showed the optical insertion loss of -8 dB, the extinction ratio of 14 dB. The electrical S11 was smaller than -12 dB and S21 was larger than -2.6 dB up to the 60 GHz. The alignment tolerance with the additional 3 dB loss was plusmn2.95 mum for horizontal and plusmn2.75 mum for vertical directions.
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