| On-chip optical interconnect K Ohashi, K Nishi, T Shimizu, M Nakada, J Fujikata, J Ushida, S Torii, ... Proceedings of the IEEE 97 (7), 1186-1198, 2009 | 170 | 2009 |
| A 300-mm silicon photonics platform for large-scale device integration T Horikawa, D Shimura, H Okayama, SH Jeong, H Takahashi, J Ushida, ... IEEE Journal of Selected Topics in Quantum Electronics 24 (4), 1-15, 2018 | 98 | 2018 |
| SiGe photodiode J Fujikata, T Tatsumi, A Tanabe, J Ushida, D Okamoto, K Nishi US Patent 8,269,303, 2012 | 97 | 2012 |
| Mode identification of high-quality-factor single-defect nanocavities in quantum dot-embedded photonic crystals M Shirane, S Kono, J Ushida, S Ohkouchi, N Ikeda, Y Sugimoto, A Tomita Journal of applied physics 101 (7), 2007 | 75 | 2007 |
| 25 GHz operation of silicon optical modulator with projection MOS structure J Fujikata, J Ushida, Y Ming-Bin, Z ShiYang, D Liang, PL Guo-Qiang, ... Optical Fiber Communication Conference, OMI3, 2010 | 51 | 2010 |
| Waveguide path coupling-type photodiode J Fujikata, J Ushida, D Okamoto, K Nishi, K Ohashi, T Tsuchizawa, ... US Patent 8,467,637, 2013 | 50 | 2013 |
| 5 mW/Gbps hybrid-integrated Si-photonics-based optical I/O cores and their 25-Gbps/ch error-free operation with over 300-m MMF K Yashiki, Y Suzuki, Y Hagihara, M Kurihara, M Tokushima, J Fujikata, ... 2015 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2015 | 47 | 2015 |
| Silicon-based electro-optic device J Ushida, J Fujikata, YU Ming-Bin, L Ding, S Zhu US Patent 8,532,440, 2013 | 42 | 2013 |
| Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock distribution J Fujikata, K Nose, J Ushida, K Nishi, M Kinoshita, T Shimizu, T Ueno, ... Applied physics express 1 (2), 022001, 2008 | 39 | 2008 |
| Electro-optical modulator J Fujikata, J Ushida, A Toda, M Saitoh US Patent 9,002,144, 2015 | 36 | 2015 |
| 125-µm-pitch× 12-channel “optical pin” array as I/O structure for novel miniaturized optical transceiver chips T Uemura, A Ukita, K Takemura, M Kurihara, D Okamoto, J Ushida, ... 2015 IEEE 65th Electronic Components and Technology Conference (ECTC), 1305-1309, 2015 | 35 | 2015 |
| Immittance matching for multidimensional open-system photonic crystals J Ushida, M Tokushima, M Shirane, A Gomyo, H Yamada Physical Review B 68 (15), 155115, 2003 | 35 | 2003 |
| Optical modulator and optical modulator fabrication method J Fujikata, T Baba, J Ushida US Patent App. 13/120,625, 2011 | 28 | 2011 |
| Grating structure, and manufacturing method of grating coupler provided therewith M Tokushima, J Ushida US Patent 10,025,031, 2018 | 27* | 2018 |
| Highly drop-efficient channel-drop optical filters with Si-based photonic crystal slabs A Gomyo, J Ushida, M Shirane Thin Solid Films 508 (1-2), 422-425, 2006 | 27 | 2006 |
| Systematic design of antireflection coating for semi-infinite one-dimensional photonic crystals using Bloch wave expansion J Ushida, M Tokushima, M Shirane, H Yamada Applied physics letters 82 (1), 7-9, 2003 | 27 | 2003 |
| LSI on-chip optical interconnection with Si nano-photonics J Fujikata, K Nishi, A Gomyo, J Ushida, T Ishi, H Yukawa, D Okamoto, ... IEICE transactions on electronics 91 (2), 131-137, 2008 | 26 | 2008 |
| High extinction ratio optical switching independently of temperature with silicon photonic 1× 8 switch S Nakamura, S Takahashi, I Ogura, J Ushida, K Kurata, T Hino, ... Optical Fiber Communication Conference, OTu2I. 3, 2012 | 25 | 2012 |
| Optical waveguide structure and optical waveguide device J Ushida, S Nakamura US Patent 8,913,860, 2014 | 23 | 2014 |
| Tunable optical notch filter realized by shifting the photonic bandgap in a silicon photonic crystal line-defect waveguide T Chu, H Yamada, A Gomyo, J Ushida, S Ishida, Y Arakawa IEEE photonics technology letters 18 (24), 2614-2616, 2006 | 22 | 2006 |
Junichi FujikataPETRA, NECVerified email at petra-jp.org