K. Takabayashi, A. Uetake, Tokuharu Kimura, Tsuyoshi Yamamoto, M. Yamaguchi, K. Takada, K. Takemasa, M. Sugawara, Y. Arakawa
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1.3-μm Quantum-dot lasers integrated with spot-size converter for improved coupling efficiency to waveguide
1.3-μm quantum-dot lasers integrated with a thickness tapered waveguide as a spot-size converter have been developed to improve coupling efficiency to silicon photonics devices. Improvements of far-field patterns and coupling efficiency were experimentally demonstrated.