| Vector sum phase shifter, optical transceiver, and control circuit H Nosaka, M Nagatani, S Yamanaka, K Sano, K Murata, K Onodera, ... US Patent 8,687,968, 2014 | 125 | 2014 |
| 300-GHz. 100-Gb/s InP-HEMT wireless transceiver using a 300-GHz fundamental mixer H Hamada, T Fujimura, I Abdo, K Okada, HJ Song, H Sugiyama, ... 2018 IEEE/MTT-S International Microwave Symposium-IMS, 1480-1483, 2018 | 120 | 2018 |
| 300-GHz-band 120-Gb/s wireless front-end based on InP-HEMT PAs and mixers H Hamada, T Tsutsumi, H Matsuzaki, T Fujimura, I Abdo, A Shirane, ... IEEE Journal of Solid-State Circuits 55 (9), 2316-2335, 2020 | 112 | 2020 |
| 35-Tb/s C-band transmission over 800 km employing 1-Tb/s PS-64QAM signals enhanced by complex 8× 2 MIMO equalizer T Kobayashi, M Nakamura, F Hamaoka, M Nagatani, H Wakita, ... 2019 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2019 | 85 | 2019 |
| Digital-preprocessed analog-multiplexed DAC for ultrawideband multilevel transmitter H Yamazaki, M Nagatani, S Kanazawa, H Nosaka, T Hashimoto, A Sano, ... Journal of Lightwave Technology 34 (7), 1579-1584, 2016 | 72 | 2016 |
| 192-Gbaud signal generation using ultra-broadband optical frontend module integrated with bandwidth multiplexing function M Nakamura, F Hamaoka, M Nagatani, Y Ogiso, H Wakita, H Yamazaki, ... Optical Fiber Communication Conference, Th4B. 4, 2019 | 67 | 2019 |
| Electrical PMD equalizer ICs for a 40-Gbit/s transmission M Nakamura, H Nosaka, M Ida, K Kurishima, M Tokumitsu Optical Fiber Communication Conference, TuG4, 2004 | 62 | 2004 |
| 300-Gbps discrete multi-tone transmission using digital-preprocessed analog-multiplexed DAC with halved clock frequency and suppressed image H Yamazaki, M Nagatani, F Hamaoka, S Kanazawa, H Nosaka, ... ECOC 2016-Post Deadline Paper; 42nd European Conference on Optical …, 2016 | 52 | 2016 |
| Wide-band inline-amplified WDM transmission using PPLN-based optical parametric amplifier T Kobayashi, S Shimizu, M Nakamura, T Umeki, T Kazama, R Kasahara, ... Journal of Lightwave Technology 39 (3), 787-794, 2021 | 49 | 2021 |
| 160-Gbps Nyquist PAM4 transmitter using a digital-preprocessed analog-multiplexed DAC H Yamazaki, M Nagatani, S Kanazawa, H Nosaka, T Hashimoto, A Sano, ... 2015 European Conference on Optical Communication (ECOC), 1-3, 2015 | 47 | 2015 |
| A 300GHz wireless transceiver in 65nm CMOS for IEEE802. 15.3 d using push-push subharmonic mixer I Abdo, T Fujimura, T Miura, KK Tokgoz, H Hamada, H Nosaka, A Shirane, ... 2020 IEEE/MTT-S International Microwave Symposium (IMS), 623-626, 2020 | 45 | 2020 |
| A beyond-1-Tb/s coherent optical transmitter front-end based on 110-GHz-bandwidth 2: 1 analog multiplexer in 250-nm InP DHBT M Nagatani, H Wakita, H Yamazaki, Y Ogiso, M Mutoh, M Ida, F Hamaoka, ... IEEE Journal of Solid-State Circuits 55 (9), 2301-2315, 2020 | 45 | 2020 |
| Net-400-gbps PS-PAM transmission using integrated AMUX-MZM H Yamazaki, M Nakamura, T Kobayashi, M Nagatani, H Wakita, Y Ogiso, ... Optics express 27 (18), 25544-25550, 2019 | 45 | 2019 |
| 104 Tbps/carrier probabilistically shaped PDM-64QAM WDM transmission over 240 km based on electrical spectrum synthesis M Nakamura, F Hamaoka, M Nagatani, H Yamazaki, T Kobayashi, ... Optical Fiber Communication Conference, M4I. 4, 2019 | 45 | 2019 |
| Silica-based, compact and variable-optical-attenuator integrated coherent receiver with stable optoelectronic coupling system S Tsunashima, F Nakajima, Y Nasu, R Kasahara, Y Nakanishi, T Saida, ... Optics Express 20 (24), 27174-27179, 2012 | 45 | 2012 |
| 1.3-Tbps/carrier net-rate signal transmission with 168-GBaud PDM PS-64QAM using analogue-multiplexer-integrated optical frontend module M Nakamura, F Hamaoka, H Yamazaki, M Nagatani, Y Ogiso, H Wakita, ... 45th European Conference on Optical Communication (ECOC 2019), 1-3, 2019 | 44 | 2019 |
| 11× 171 Gb/s PDM 16-QAM transmission over 1440 km with a spectral efficiency of 6.4 b/s/Hz using high-speed DAC S Yamanaka, T Kobayashi, A Sano, H Masuda, E Yoshida, Y Miyamoto, ... 36th European Conference and Exhibition on Optical Communication, 1-3, 2010 | 43 | 2010 |
| 100-Gbit/s PDM-QPSK coherent receiver with wide dynamic range and excellent common-mode rejection ratio K Murata, T Saida, K Sano, I Ogawa, H Fukuyama, R Kasahara, ... Optics Express 19 (26), B125-B130, 2011 | 40 | 2011 |
| A low-power direct digital synthesizer using a self-adjusting phase-interpolation technique H Nosaka, Y Yamaguchi, A Yamagishi, H Fukuyama, M Muraguchi IEEE Journal of Solid-State Circuits 36 (8), 1281-1285, 2001 | 40 | 2001 |
| A direct digital synthesizer with interpolation circuits T Nakagawa, H Nosaka IEEE Journal of Solid-State Circuits 32 (5), 766-770, 1997 | 40 | 1997 |
Hiroshi YamazakiNTT Device Technology LaboratoriesVerified email at lab.ntt.co.jp
