YASAKA Hiroshi

J-GLOBAL         Last updated: Jun 22, 2018 at 16:14
 
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Name
YASAKA Hiroshi
URL
http://db.tohoku.ac.jp/whois/e_detail/fab4478dfa452ee3bf2ae5866d363c5d.html
Affiliation
Tohoku University
Section
Research Institute of Electrical Communication Broadband Engineering Division Applied Quantum Optics Highly Functional Photonics
Job title
Professor
Degree
工学博士(Hokkaido University)

Research Interests

 
 

Research Areas

 
 

Committee Memberships

 
Feb 2004
 - 
Mar 2008
Optical Fiber Communications Conference and the National Fiber Optic Engineers Conference, OFC/NFOEC  Technical Program Committee Member on Category E / Optoelectronic Devices
 
Apr 2003
 - 
Mar 2007
International Symposium on Contemporary Photonics Technology, CPT  運営委員会委員、プログラム委員会委員
 
Apr 2003
 - 
Mar 2005
19th International Semiconductor Laser Conference, ISLC2004  実行委員会総務委員会幹事
 
Nov 1999
 - 
Sep 2001
13th International Conference on Indium Phosphide and Related Materials, IPRM2001  募金委員会委員
 
Mar 2004
 - 
Dec 2004
SPIE International Symposium on Information Technology and Communication (IT Com 2004) IT201 : Active and Passive Optical Components for WDM Communications IV  Session Organizer
 

Published Papers

 
Stable and Narrow Linewidth Semiconductor Laser Assembly with Coherent Optical Negative Feedback
K. Aoyama, S. Kobayashi, M. Wada, N. Yokota, H. Yasaka
Conference on Lasers and Electro-Optics (CLEO2017)   JTu5A.101   May 2017   [Refereed]
N. Yokota, R. Igarashi, H. Yasaka
Optics Letters   42(9) 1856-1859   May 2017   [Refereed]
N. Yokota, R. Takeuchi, H. Yasaka, K. Ikeda
IEEE Photonics Technology Letters   29(9) 711-714   May 2017   [Refereed]
S. Mieda, N. Yokota, R. Isshiki, W. Kobayashi, H. Yasaka
Optics Express   24(22) 25824-25831   Oct 2016   [Refereed]
S. Mieda, R. Isshiki, N. Yokota, W. Kobayashi, H. Yasaka
The 25th International Semiconductor Laser Conference (ISLC2016)   WE23   Sep 2016   [Refereed]
N. Yokota, H. Yasaka
IEEE Journal of Quantum Electronics   52(8) 5200207   Aug 2016   [Refereed]
S. Mieda, N. Yokota, W. Kobayashi, H. Yasaka
The 28th International Conference on Indium Phosphide and Related Materials (IPRM2016)   ThD1-7   Jun 2016   [Refereed]
Tailoring of Optical Frequency Comb Shape by Harmonic Signal Superposition in Mach-Zehnder Modulator
N. Yokota, K. Abe, S. Mieda, R. Igarashi, H. Yasaka
Conference on Lasers and Electro-Optics (CLEO2016)   SF1G.4   Jun 2016   [Refereed]
S. Mieda, N. Yokota, W. Kobayashi, H. Yasaka
IEEE Journal of Quantum Electronics   52(6) 2200107   Jun 2016   [Refereed]
N. Yokota, K. Abe, S. Mieda, H. Yasaka
Optics Letters   41(5) 1026-1029   May 2016   [Refereed]
Ultra-high-speed semiconductor light source for next-generation optical communication system
S. Mieda, N. Yokota, W. Kobayashi, H. Yasaka
The 2016 EMN Beijing Meeting, Optoelectronic Material and Devices I      Apr 2016   [Refereed][Invited]
H. Yasaka, K. Aoyama, N. Yokota
SPIE Photonics Europe 2016, Semiconductor Lasers and Laser Dynamics   9892-12   Apr 2016   [Refereed][Invited]
N. Yokota, T. Miki, K. Abe, H. Yasaka
IEEE Photonics Technology Letters   27(21) 2219-2221   Nov 2015   [Refereed]
Flat Optical Frequency Comb Generated by Semiconductor Mach-Zehnder Modulator
N. Yokota, H. Yasaka
6th RIEC-RLE Meeting on Research Collaboration in Photonics   293-305   Oct 2015   [Invited]
S. Mieda, S. Shiratori, N. Yokota, W. Kobayashi, H. Yasaka
Applied Physics Express   8(8) 082701   Jul 2015   [Refereed]
S. Mieda, S. Shiratori, N. Yokota, W. Kobayashi, H. Yasaka
The 20th OptoElectronics and Communications Conference (OECC 2015)   JTuA.24   Jun 2015   [Refereed]
N. Yokota, T. Miki, K. Abe, E. Yamada H. Yasaka
The 20th OptoElectronics and Communications Conference (OECC 2015)   JWeC.23   Jun 2015   [Refereed]
High-speed Semiconductor Laser for Next Gen. Ethernet
S. Mieda, S. Shiratori, N. Yokota, H. Yasaka
2015 MIT-Tohoku Univ. Student Meeting on Research Collaboration in Photonics and Electronics   103-112   Mar 2015   [Invited]
S. Mieda, S. Shiratori, N. Yokota, W. Kobayashi, H. Yasaka
Applied Physics Express   8(2) 022701   Feb 2015   [Refereed]
K. Aoyama, R. Yoshioka, N. Yokota, W. Kobayashi, H. Yasaka
IEEE Photonics Technology Letters   27(4) 340-343   Feb 2015   [Refereed]
K. Aoyama, R. Yoshioka, N. Yokota, W. Kobayashi, H. Yasaka
Applied Physics Express   7(12) 122701   Dec 2014   [Refereed]
S. Mieda, S. Shiratori, W. Kobayashi, H. Yasaka
IEEE Photonics Technology Letters   26(23) 2319-2322   Dec 2014   [Refereed]
S. Mieda, S. Shiratori, N. Yokota, W. Kobayashi, H. Yasaka
2014 International Topical Meeting on Microwave Photonics (MWP2014)   TuEB-6   Oct 2014   [Refereed]
K. Aoyama, R. Yoshioka, N. Yokota, W. Kobayashi, H. Yasaka
2014 International Topical Meeting on Microwave Photonics (MWP2014)   TuEA-2   Oct 2014   [Refereed]
Compact Narrow Linewidth Semiconductor Laser Source
K. Aoyama, R. Yoshioka, N. Yokota, H. Yasaka
4th RIEC-RLE Meeting on Research Collaboration in Photonics   245   Jul 2014   [Refereed]
T. Yamamoto, T. Saikai, E. Yamada, H. Yasaka
IEICE Transactions on Electronics   97-C(3) 222-224   Mar 2014   [Refereed]
Study on Integrated Semiconductor Laser Source
H. Yasaka
3rd RIEC-RLE Meeting on Research Collaboration in Photonics   31-40   Sep 2013
T. Saikai, T. Yamamoto, E. Yamada, and H. Yasaka
The 25th International Conference on Indium Phosphide and Related Materials (IPRM2013)   MoD3-3   May 2013   [Refereed]
Optical Frequency Comb Block Generation Using InP Mach-Zehnder Modulator
H. Yasaka
2nd RIEC-RLE Meeting on Research Collaboration in Photonics   101-114   Jan 2013   [Invited]
T. Yamamoto, K. Hitomi, W. Kobayashi, and H. Yasaka
IEEE Photonics Technology Letters   25(1) 40-42   Jan 2013   [Refereed]
H. Ishihara, Y. Saito, W. Kobayashi, and H. Yasaka
IEICE Transactions on Electronics   E95-C(9) 1549-1551   Sep 2012   [Refereed]
High-Speed Control of Semiconductor Laser by Gain Modulation
H. Ishihara, H. Yasaka, and J. Shikata
The 3rd Student Organizing International Mini-Conference on Information Electronics Systems (SOIM-GCOE10)   F7P-6   Nov 2010
Surface-plasomon terahertz-wave resonator for high-resolution imaging beyond diffraction limit
J. Shikata, Y. Nomura, H. Yasaka
Interdisciplinary Science of Nanomaterials      Sep 2009   [Refereed]
N. Kikuchi, Y. Shibata, K. Tsuzuki, H. Sanjoh, T. Sato, E. Yamada, T. Ishibashi, H. Yasaka
IEEE Photonics Technology Letters   vol. 21(No. 12) 787-789   Jun 2009   [Refereed]
K. Tsuzuki, Y. Shibata, N. Kikuchi, M. Ishikawa, T. Yasui, H. Ishii, H. Yasaka
IEEE Journal of Selected Topics in Quantum Electronics   vol. 15(No. 3) 521-527   Jun 2009   [Refereed]
Terahertz imaging beyond diffraction limit
J. Shikata, Y. Nomura, H. Yasaka, H. Minamide, H. Ito
36th IEEE Nano-Spin Engineering Workshop      Apr 2009   [Refereed]
Low-Loss InP Optical Waveguide for Integrated Light Sources
K. Kasaya, H. Oohashi, Y. Shibata, H. Yasaka, H. Tsuchiya
IEICE Transactions on Electronics (Japanese Edition)   vol. J92-C(No. 4) 119-129   Apr 2009   [Refereed]
N. Kikuchi, K. Tsuzuki, T. Kurosaki, Y. Shibata, H. Yasaka
IEICE Transactions on Electronics   vol. E92-C(No. 2) 205-211   Feb 2009   [Refereed][Invited]
Y. Shibata, N. Kikuchi, K. Tsuzuki, W. Kobayashi, H. Yasaka
IET Electronics Letters   vol. 44(No. 21) 1269-1270   Oct 2008   [Refereed]
H. Fukano, T. Sato, M. Mitsuhara, Y. Kondo, H. Yasaka
Japanese Journal of Applied Physics, Part 1   vol. 47(No. 10) 7909-7914   Oct 2008   [Refereed]
K. Tsuzuki, Y. Shibata, N. Kikuchi, M. Ishikawa, T. Yasui, H. Ishii, H. Yasaka
21th International Semiconductor Laser Conference (ISLC2008)   MB6   Sep 2008   [Refereed]
N. Kikuchi, K. Tsuzuki, Y. Shibata, M. Ishikawa, T. Yasui, H. Ishii, H. Oohashi, T. Ishibashi, T. Akeyoshi, H. Yasaka, F. Kano
2008 European Conference on Optical Communications (ECOC2008)   Mo.3.C.4   Sep 2008   [Refereed]
S. Matsuo, T. Kakitsuka, T. Segawa, R. Sato, Y. Shibata, R. Takahashi, H. Oohashi, H. Yasaka
IEEE Photonics Technology Letters   vol. 20(No. 17) 1494-1496   Sep 2008   [Refereed]
T. Yasui, Y. Shibata, K. Tsuzuki, N. Kikuchi, M. Ishikawa, Y. Kawaguchi, M. Arai, H. Yasaka
IEEE Photonics Technology Letters   20(13) 1178-1180   Jul 2008   [Refereed]
M. Ishikawa, K. Tsuzuki, N. Kikuchi, K. Kasaya, Y. Shibata, H. Ishii, H. Oohashi, H. Yasaka
Opto-Electronics and Communications Conference (OECC) and the Australian Conference on Optical Fibre Technology (ACOFT) (OECC/ACOFT2008)   WeR3   Jul 2008   [Refereed]
InP Mach-Zehnder Modulators for Advanced Modulation Formats
N. Kikuchi, K. Tsuzuki, M. Ishikawa, T. Yasui, Y. Shibata, H. Yasaka
Topical Meeting on Integrated Photonics and nanophotonics Research and Applications (IPNRA2008)   IMA4   Jul 2008   [Refereed][Invited]
H. Yasaka, N. Kikuchi, K. Tsuzuki, N. Ishikawa, T. Yasui, Y. Shibata
20th International Conference on Indium Phosphide and Related Materials (IPRM2008)   ThA1.1   May 2008   [Refereed][Invited]
T. Yasui, Y. Shibata, N. Kikuchi, K. Tsuzuki, Y. Kawaguchi, M. Arai, H. Yasaka
20th International Conference on Indium Phosphide and Related Materials (IPRM2008)   ThA1.2   May 2008   [Refereed]
Extended Transmission Reach Using Optical Filtering of Frequency Modulated Widely Tunable SSG-DBR Laser
S. Matsuo, T. Kakitsuka, T. Segawa, N. Fujiwara, Y. Shibata, H. Oohashi, H. Yasaka, H. Suzuki
IEEE Photonics Technology Letters   20(4) 294-296   Feb 2008   [Refereed]
T. Yasui, Y. Shibata, K. Tsuzuki, N. Kikuchi, Y. Kawaguchi, M. Arai, H. Yasaka
2008 Optical Fiber Communications Conference (OFC’08)   OThC5   Feb 2008   [Refereed]

Misc

 
CLEO2013ショート速報[光デバイス]
八坂洋
国際会議速報   (H25 - No. 15)    Jul 2013
通信用半導体レーザの現状と将来展望
八坂洋
2013化合物半導体技術大全、Electronic Journal別冊   25-28   Dec 2012
光変調技術・最新動向 - 半導体光変調器
八坂洋
月刊オプトロニクス   30(3) 103-106   Mar 2011
通信用半導体レーザの現状と将来展望
八坂
Electronic Journal別冊   25-28   Feb 2009
リポート国際会議「ECOC2007(光デバイス関連)」
八坂、菊池
オプトニュース   1(6)    Dec 2007

Books etc

 
Fiber Optic Communication - Key Devices
Hiroshi Yasaka, Yasuo Shibata (Part:Joint Work, Chapter 6, “Semiconductor-based Modulators”)
Springer-Verlag (Berlin, Heidelberg), pp. 227-280   Aug 2012   ISBN:978-3-642-20516-3
Fiber Optic Communication - Key Devices 2nd Edition
Hiroshi Yasaka, Yasuo Shibata (Part:Joint Work, Chapter 8, “Semiconductor-based Modulators”)
Springer-Verlag (Berlin, Heidelberg), pp. 359-416   Mar 2017   ISBN:978-3-319-42367-8

Conference Activities & Talks

 
Stable and Narrow Linewidth Semiconductor Laser Assembly with Coherent Optical Negative Feedback
K. Aoyama, S. Kobayashi, M. Wada, N. Yokota, H. Yasaka
Conference on Lasers and Electro-Optics (CLEO2017)   14 May 2017   
マッハツェンダ変調器を用いた光ナイキストパルス発生における制御性と直交性の数値解析評価
横田信英、五十嵐稜、八坂洋
2017年電子情報通信学会総合大会   22 Mar 2017   
混合変調法による半導体レーザの変調特性制御
三枝慈、横田信英、早崎嘉高、一色竜杜、小林亘、八坂洋
2017年電子情報通信学会総合大会   22 Mar 2017   
光源系一体化による光負帰還狭線幅レーザの長期安定化
青山康之祐、小林宗平、横田信英、八坂洋
2017年電子情報通信学会総合大会   22 Mar 2017   
スピン制御面発光レーザにおける発振円偏光度の複屈折依存性
横田信英、竹内隆太郎、八坂洋、池田和浩
量子エレクトロニクス研究会 (LQE)   18 Jan 2017   
マッハツェンダ変調器を用いたRaised-cosine型光周波数コム生成
横田信英、五十嵐稜、八坂洋
2016年電子情報通信学会ソサイエティ大会   20 Sep 2016   
光負帰還半導体レーザ光源用反射型Siリングフィルタ
青山康之祐、小林宗平、和田理志、横田信英、北智洋、八坂洋
2016年電子情報通信学会ソサイエティ大会   20 Sep 2016   
InAlGaAs量子井戸面発光レーザにおける発振円偏光度の複屈折依存性
横田信英、竹内隆太郎、八坂洋、池田和浩
応用物理学会秋季講演会   13 Sep 2016   
Tailoring of Semiconductor Laser's Frequency Response by Hybrid Modulation Scheme
S. Mieda, R. Isshiki, N. Yokota, W. Kobayashi, H. Yasaka
The 25th International Semiconductor Laser Conference (ISLC2016)   12 Sep 2016   
マッハツェンダ変調器の高調波重畳変調による光ナイキストパルス生成
五十嵐稜、横田信英、八坂洋
電気関係学会東北支部連合大会   30 Aug 2016   

Research Grants & Projects

 
新機能半導体光集積回路技術の研究
The Other Research Programs
Project Year: Apr 2008   
光・光制御半導体デバイス技術の研究
The Other Research Programs
Project Year: Apr 2008   
高機能半導体光デバイス技術の研究
The Other Research Programs
Project Year: Apr 2008   

Social Contribution

 
光交換機の実現へ道/波長の任意変換に成功
[Informant]  朝日新聞(夕刊)  18 Feb 1994
高速信号光の波長を変換/NTTが新技術開発
[Informant]  日本工業新聞  16 Feb 1994
NTT 光信号を10Gbpsで変換/直接波長変換技術を開発
[Informant]  電波新聞  16 Feb 1994
10ギガビット/秒の光信号 波長変換範囲 2倍/NTTが新技術
[Informant]  日刊工業新聞  16 Feb 1994
高速信号光 自由に波長変換/NTT,テラビット級伝送も
[Informant]  日経産業新聞  16 Feb 1994

Others

 
Dec 2015   狭線幅波長可変レーザの開発
Siフォトニクス技術を用いた狭線幅波長可変レーザ光源の実現へ向けた研究
Apr 2009   半導体レーザ高速制御の研究
半導体レーザの応答速度を極限まで高速化する研究