InP-based butt-joint coupled waveguide photodiodes integrated with various functions for 100 GBaud coherent detection T Okimoto, H Yagi, K Ebihara, K Yamazaki, S Okamoto, Y Ohkura, ... IEEE Journal of Selected Topics in Quantum Electronics 28 (2: Optical …, 2021 | 15 | 2021 |
Proposal and numerical study on capsule-shaped nanometallic semiconductor lasers B Zhang, T Okimoto, T Tanemura, Y Nakano Japanese Journal of Applied Physics 53 (11), 112703, 2014 | 15 | 2014 |
InP-Based Photodetectors Monolithically Integrated with 90° Hybrid toward Over 400Gb/s Coherent Transmission Systems H Yagi, T Okimoto, N Inoue, K Ebihara, K Sakurai, M Kurokawa, ... IEICE Transactions on electronics 102 (4), 347-356, 2019 | 14 | 2019 |
106-Gb/s Waveguide AlInAs/GaInAs avalanche photodiode with Butt-joint coupling structure T Okimoto, K Ashizawa, H Mori, K Ebihara, K Yamazaki, S Okamoto, ... 2022 Optical Fiber Communications Conference and Exhibition (OFC), 01-03, 2022 | 12 | 2022 |
High optical output power and high-responsivity IC-TROSA for 800 Gbps applications M Kurokawa, K Nakayama, M Takechi, Y Mizuno, T Misawa, E Banno, ... 2021 European Conference on Optical Communication (ECOC), 1-3, 2021 | 12 | 2021 |
Q factor improvement by capsule‐shaped metallic cavity structure for subwavelength lasers B Zhang, K Chieda, T Okimoto, T Tanemura, Y Nakano physica status solidi (a) 213 (4), 965-969, 2016 | 10 | 2016 |
InP-based PIC integrated with butt-joint coupled waveguide pin PDs for 100GBaud coherent networks T Okimoto, H Yagi, K Ebihara, K Yamazaki, S Okamoto, Y Ohkura, ... 2021 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2021 | 9 | 2021 |
Small responsivity imbalance of InP-based pin photodiode array monolithically integrated with 90° hybrid using asymmetric waveguide phase shifter for coherent detection T Okimoto, H Yagi, R Masuyama, K Sakurai, Y Nishimoto, T Kikuchi, ... 2016 Compound Semiconductor Week (CSW)[Includes 28th International …, 2016 | 8 | 2016 |
High-efficient InP-based waveguide photodiodes monolithically integrated with 90◦ hybrid towards next-generation coherent transmission systems T Okimoto, H Yagi, S Okamoto, K Sakurai, K Ebihara, K Yamazaki, ... IPRM 2018, Fr3A8-5, 2018 | 7 | 2018 |
High linearity and uniform characteristics of InP-based 8-CH waveguide avalanche photodiode array for 400 GbE T Okimoto, K Ashizawa, K Ebihara, S Okamoto, T Endo, K Horino, ... Optical Fiber Communication Conference, Th3C. 2, 2020 | 6 | 2020 |
Wide bandwidth and high responsivity of InP-based photodetector monolithically integrated with 90◦ hybrid for over 400 Gbps coherent transmission systems T Okimoto, H Yagi, R Masuyama, K Sakurai, Y Nishimoto, K Horino, ... Compound Semiconductor Week (CSW), 1-2, 2017 | 6 | 2017 |
80-GHz Bandwidth and High Responsivity of InP Coherent Receiver PIC with Butt-joint waveguide PDs T Okimoto, H Yagi, K Ashizawa, K Yamazaki, K Ebihara, S Okamoto, ... 2023 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2023 | 4 | 2023 |
A Shunt-Feedback TIA with Common-Base Variable Gain Input Stage for 128-GBaud Coherent Communication S Kumagai, Y Sugimoto, H Uemura, M Kurokawa, N Itabashi, M Takechi, ... 2023 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and …, 2023 | 3 | 2023 |
Bayesian design of mosaic-based mode multiplexers for various wavelength bands T Fujisawa, T Mitarai, T Okimoto, N Kono, N Fujiwara, T Sato, H Yagi, ... Optics Express 31 (16), 26842-26853, 2023 | 2 | 2023 |
Compact power splitters with mosaic-based structure designed by Bayesian direct-binary-search method T Mitarai, T Fujisawa, T Okimoto, N Kono, N Fujiwara, Y Sawada, ... 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 …, 2022 | 2 | 2022 |
InP-based Photodiodes Integrated with Optical Mixer for 800 Gbit/s Coherent Transmission T OKIMOTO, K EBIHARA, K YAMAZAKI, S OKAMOTO, H YAGI, ... | 2 | 2021 |
InP-Based waveguide photodetectors for IMDD/coherent transmission applications Y Yoneda, T Okimoto, K Ashizawa, K Ebihara, S Okamoto, K Horino, ... IEICE Technical Report; IEICE Tech. Rep. 120 (147), 21-24, 2020 | 2 | 2020 |
High Responsivity and Reliability of InP-Based Waveguide Avalanche Photodiodes with Butt-Joint Coupled Structure T Okimoto, K Ashizawa, K Ebihara, K Yamazaki, S Okamoto, K Horino, ... Journal of Lightwave Technology, 2023 | 1 | 2023 |
Photo receiver H Yagi, T Okimoto, M Kurokawa US Patent 11,837,620, 2023 | 1 | 2023 |
Optical waveguide type photodetector Y Yoneda, T Okimoto US Patent 11,552,206, 2023 | 1 | 2023 |