Highly-Permissible Alignment Tolerance of Back-Illuminated Photo-Diode Array Attached with a Self-Aligned Micro Ball Lens
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概要
- 論文の詳細を見る
Simulation and fabrication results on back-illuminated 4-channel photodiode (PD) array with a self-aligned micro ball lens are described. The channel pitch and diameter of each photosensitive area are 250μm and 40μm, respectively. Measured photocurrent is 1.92 times larger than that without a lens. Alignment tolerance between the single mode fiber (SMF) optical axis and the photodiode is improved from 21.2μm to 42.7μm. Moreover, the separation tolerance between the fiber and the lens is 210.5μm. These large tolerances agree with simulation results, demonstrating that the device configuration is suitable for receivers for multi-channel inter-connection. Frequency response and inter-channel cross talk are also discussed.
- （社）電子情報通信学会の論文
- 2008-09-01
著者
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NAKANO Yoshiaki
Research Center for Advanced Science and Technology, The University of Tokyo
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IKEDA Kenji
Research Institute for Department of Gastroenterology, Toranomon Hospital
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Nakano Yoshiaki
Research Center For Advanced Science And Technology The University Of Tokyo
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Song Xueliang
Research Center For Advanced Science And Technology The University Of Tokyo
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Song Xueliang
Research Center For Advance Science And Technology The University Of Tokyo
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Nakano Yoshiaki
Univ. Tokyo Tokyo Jpn
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NISHIDE Kazuhiro
Research Center for Advanced Science and Technology, The University of Tokyo
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WANG Shurong
Research Center for Advanced Science and Technology, The University of Tokyo
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Wang Shurong
Research Center For Advanced Science And Technology The University Of Tokyo
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Nishide Kazuhiro
Research Center For Advanced Science And Technology The University Of Tokyo
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Ikeda Kenji
Research Center For Advanced Science And Technology The University Of Tokyo
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Nakano Yoshiaki
Research Center For Advanced Science And Technology (rcast) At The University Of Tokyo
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