Koji Nonaka: Dr. of Engineering

Prof. of Kochi Univ. of Technology, School of Systems Engineering

Editor of KUT University Journals, Core member of IRC,  Leader of JST Ikusei Contract Research

Committee of Contract research foundation Selection Board of NICT,

Committee Member of OPE, IEICE, APCC, Member of IEEE, IEICE, JSAP, Group of Optics

 

<Research Activity Field : Cathegolly A-F>

A. High Quality Semiconductor Diode: Very Flexible Repetitious Rate, Pulse Width , and Low time Jitter Pulse Generator Laser Diode

B. Wide Range Environment Measurement Technique: Pulsed correlation fiber sensing

C. Optical Free-space Communication: Optical Micro-cell Technique for Moving Users Multiple PtoP Gbps data-com.

D. Wide region Distributed Ubiquitous Environment Monitoring System : Optical IC-Tag

E. Functional Laser Diode:Tunable Visible, Ultra-Violet and Digitally Bistable Laser Diodes

F. Fossil Process Monitoring Technique using Aging Acceleration Technique.

 

 

===============================＜Review/Invited Papers＞========================================

B(1) Koji Nonaka,”Friutful collaboration between Universities, also Technology combination between different academic regions” Keynote speech of 2nd International Symposium on Frontier Technology(ISFT), Harbin, VChina,September, 2009

 

A(2) 野中弘二　”パルス発振半導体レーザのタイムジッターの光帰還回路による低減”　応用物理学会誌「応用物理」　73巻11号、p.1446-1449、2004年

 

C(3) 野中弘二”バックボーン通信用光パルスおよび高速光無線アクセス技術の研究”高知工科大学紀要vol1, No.1, pp.110-114, March, 2004

 

C(４):Technology Trend “光インターコネクションの最近の動向“光技術協会技報2000年９月

 

B(５)野中弘二“超高速光通信の実現をめざして：光横注入型双安定レーザを用いた高速光信号処理”日本光学会誌『光学』27巻3号　最近の技術から、pp.146-147(1998)

 

E (６) K. Nonaka, and T. Kurokawa," Laser-diode swiches for optical digital signal processing," NTT Review, vol. 7,No. 5,September, pp. 41-46, 1995

 

E (７) 野中、黒川“デジタル再生型光スイッチとその応用”NTT R&D, vol. 44, No. 7, pp. 571(27)-578(34), 1995

=======================================International Activity=================================

--------------＜International Journal papers＞-----------------------------------------------@ KUT----------------------------------------

1.     H. Kobayashi, T. Tsuzuki, T. Onishi, Y. Masaoka, X. Xu, and K. Nonaka, “Suppression of instability on sensing signal of optical pulse correlation measurement in remote fiber sensing”, J. Sens. 2012, 107847 (2012)

2.     H. Kobayashi, G. Puentes, and Y. Shikano, “Extracting joint weak values from two-dimensional spatial displacements”, Phys. Rev. A 86, 053805 (2012)

3.     H. Kobayashi, K. Nonaka, and M. Kitano, “Helical mode conversion using conical reflector”, Opt. Express 20, 14064 (2012)

4.     電気学会論文誌Ａ（基礎・材料・共通部門誌）
Vol. 132 (2012) No. 10 P 901-906光伝送信号品質評価装置に用いる低ジッタ短光パルス発生器の提案と評価 新井 茂雄1), 大谷 昭仁1), 野中 弘二2)

5.     M. Hanawa and K. Nonaka, To be Published at IET journals (2010)

6.     X. Xunjian, A. Bueno, K. Nonaka, and S. Sales, To be published at Journal of Sensors (2010)

7.      X. Xunjan and K. Nonaka, To be published at Measurement Sci. and Technol.(2010)

8.     Xu Xunjian and Koji Nonaka, “High Sensitivity Fiber Optic Temperatur Sensing System Based on Optical Pulse Correlation and Time-Division Multiplexer Technique” Vol. 48, 102403, Jpn. J of Applied Physics,(2009)

9.      Anotonio Bueno, Koji Nonaka, and Salvador Sales “Hybrid Interrogation System for Distributed Fiber Strain and point Temperature Sensors Based on Optical Pulse Correlation and FBGs” Vol. 21, No.22, pp.1671-1673, IEEE Photonic. Technol. Lett. (2009)

10.   Koji Nonaka, Hiroaki Mizuno Hongbin Song, Nobuyasu Kitaoka and Akihito Otani "Low-Time-Jitter Short-Pulse Generator Using Compact  Gain-Switching Laser Diode Module With Optical Feedback Fiber Line" Vol.47 No.8B,JJAP(2008)

11.   Tangtronbenchasil and K. Nonaka "Tunable UV-C generation basing on second harmonic generation using tunable blue laser diode system" Vol.47, No.4A,JJAP(2008)

12.  C. Tangtronbenchasil and K. Nonaka "Comparison of different coherent deep UV generations using SHG with blue lase diode excitation" SPIE JNOPM, Vol.17, No.1(2008)

13.   Charoen TANGTRONGBENCHASIL, Koji Nonaka" Optical wireless communication and autonomous beam control moving user terminal"IEICE vol. E90-B, No. 11,pp. 3224-3231, Nov. , (2007)

14.   H. Songbin, Koji Nonaka et. al. " Polarization fluctuation suppression and sensitivity enhancement of an optical correlation sensing system" IoP Meas. Sci. Technol., No. 18, pp.3230-3234, (2007)

15.  Charoen TANGTRONGBENCHASIL, Kenji OHARA, Tsuyoshi ITAGAKI, Pratkasem VESARACH, and Koji NONAKA"219-nm Range UV Generation Using a Blue Laser Diode and an External Cavity" 45, No. 8A,  Jpn. J. of Appl. Phys.  (2006)

16.  Optical Micro Cell System: Smart Optical Wireless Access Data-Communication for Moving-User Terminals." Koji Nonaka, Yoshiyuki Isobe and Masayoshi Tachibana, J of Jpn. Appl. Phys. Special Issue, 査読有,Vol. 45, No.8B,pp.6762-6766, (2006.)

17.   H.B. Song, T. Suzuki, M. Sako and K. Nonaka "High Time Resolution Distributed Fiber Optic Sensing System Based on Correlation and Differential Technique" Meas. Sci. Technol. 17 631-634. (2006)

18.  Koji Nonaka and Hiroaki Mizuno, "Sub-picosecond Timing Jitter Suppression Using an Optical Feedback Mechanism for a Laser Diode Short Pulse Generator" Meas. Sci. Technol. 15, pp. 1581-1585 (2004)

19.  Kentaro Uchiyama, Koji Nonaka, and Hidehiko Takara"Sub-picosecond Timing Control Using Optical Double Pulses Correlation Measurement" IEEE Photonic Technology Letters, Vol.16, No.2,  Feb. , pp. 626-628 (2004)   

        -------------------------------------------------@NTTlabs--------------------------------------

20.  K. Nonaka, H.Takara, A. Takada, K. Uchiyama and Y. Yamabayashi : Bit-rate flexible picosecond pulse width conversion with all-optical mono-stable multivibrator,  laser diode, Optical Review., vol.5, No. 6, pp. 331-333 (1998)

21.  Koji Nonaka, Fumihiko Kobayashi, Takashi Tadokoro, Kenji Kishi, Chikara Amano, Yoshio Itoh and Takashi Kurokawa: Direct Optical Demux from 10Gbit/s to 2.5Gbit/s NRZ Signals Using a Side-Injection-Light-Controlled Bistable Laser Diode, IEEE Photonics Tech. Lett. vol.10, No. 10, pp.1484-1486 (1998)

22.  K. Nonaka, Y. Noguchi and T. Kurokawa: Simultanious time- and wavelength-division optical digital processing with a side-injection-light-controlled bistable laser diode, Jap. J. of Appl. Phys., vol.36, pp.4326-4331 (1997)

23.  K. Nonaka and T. Kurokawa: Simultanious time- and wavelength-domain optical demultiplexing of NRZ signals by using a side-injection-light-controlled bistable laser diode, Electronic. Lett. Vol. 31, No. 21, pp1865-1866 (1995)

24.  K. Nonaka, H. Tsuda and T. Kurokawa : Digitally signal-regenerating optical-fiber loop memorry with side-injection-light-controlled bistable laser diode, Jpn. J. Appl. Phys. Vol. 34,Part 1, No.11, pp6092-6097(1995)

25.  K. Nonaka, Y. Noguchi, H. Tsuda and T. Kurokawa : Digital signal regeneration with  side-injection-light-controlled bistable laser diode as a wavelength converter, IEEE Photon. Technol. Lett., vol.7, No.1, pp29-31 (1995)

26.  K. Nonaka, H. Tsuda, T. Kurokawa, H. Uenohara and H. Iwamura: "Optical Nonlinear Characteristics of a Side-Injection Light-Controled Bistable Laser Diode with a Multiple-Quantum-Well  Saturable Absorption Region,"  IEEE Photon.Tech.Lett., 5(2),139-141,(1993) .

27.  K. Nonaka, Y. Kawamura, H. Kawaguchi and Kubodera" Electronic optical bistability in an InGaAs/InAlAs multiple quantum well etalon at 1.5 mm wavelength," Appl. Phys. Lett., pp.2062-2064, 56 (21), May (1990)

28.   K. Nonaka, H. Kawaguchi, Y. Kawamura, H. Tsuda and K. Kubodera:" Thermal Optical Bistability in InGaAs/InAlAs MQW Etalons at 1.5 mm Wavelength" IEEE Photon Technol. Lett., vol. 1, No. 3, pp. 55-58, March, (1989)

29.  T. Tadokoro, F. Kobayashi, K. Nonaka, K. Kenji, C. Amano, Y. Itoh, and T. Kurokawa2.5Gbps operation characteristics of semi-insulating buried heterostructure side-injection-light-controlled bistable laser diode, Appl. Phys. Lett. , vol.70, pp.2946-2948 (1997)

30.   H. Uenohara, Y. Kawamura, H. Iwamura, K. Nonaka, H. Tsuda and T. Kurokawa," Operation Characteristics of a Side-Light-Injection Multiple-Quantum-Well Bistable Laser for All-Optical Switching." J. J. Appl. Phys. Vol. 33, Pt. 1, No. 1B, Jan., pp.815-821(1994)

31.   H.Tsuda, K.Nonaka, K. Hirabayashi, H. Uenohara, H. Iwamura, and T. Kurokawa: " Wide range wavelength conversion experiments using a side-injection light-controlled bistable laser diode",Appl. Phys. Lett. 63 (23),6, 3116-3118, (1993).

32.   H. Uenohara, Y. Kawamura, H. Iwamura, K. Nonaka, H. Tsuda and T. Kurokawa:" Set and Reset Operation Dependence on Input Light Intensity of a Side-light-injection MQW bistable laser", Electron. Lett., vol. 29, No. 18, pp. 1610-1611, (1993)

33.  H. Uenohara, H. Kawamura, Y. IwamurA, K. Nonaka, H. Tsuda and T. Kurokawa:" Side-light-injection MQW bistable laser using saturable absorption and gain quenching," Electron. Lett., vol. 28, No. 21, pp.1973-1974, (1992)

34.  Y. Kawamura, K. Nonaka, O. Mikami," Low threshold current GaInAs/AlInAs ridge Mqw laser with InP cludding layer," Electronic. Lett., 12th, vol. 24, No.10, pp. 637-638, May, (1988)

 

 

------------------<International Conference>----------------------

<Invited Talk>

1. Koji Nonaka, TOC Invited Talk ”Recent revolutions of optical pulse correlation fiber sensing technique” 147, 15th Asia Pacific Conference on Communications(APCC’209), Shang-hai, China, Oct., 2009,

2. Koji Nonaka, 2nd ISFT, Harbin, 2009, Keynote Speech “ Friutfull Collaboration between different Researches”

3. Koji Nonaka, "R&D activities about optical interconnection from device, module to ATM applications." in 15th Symposium on optical interconnects and relate technology for computers. (Invited) IBM Watson Center, NY, USA, May,2001

 

＜Reguloar Talk of International Conference＞

1.  H. Kobayashi, T. Tsuzuki, T. Onishi, Y. Masaoka, X. Xu, and K. Nonaka, “Suppression of long distance instability on remote sensing signal of pulse correlation measurement in optical fiber sensing”, International Conference on Optical Fiber Sensors, Beijing, China (2012年10月)

2.  Mifang Lu, Koji Nonaka, Hirokazu Kobayashi, Jun Yang, and Libo Yuan, “Region selectable gas sensing for long distance pipeline maintenance”, International Conference on Optical Fiber Sensors, Beijing, China (2012年10月)

3.   Xu Xunjian and Koji Nonaka , “Quasi-distributed Optical Pulse Correlation Sensing System Based on Partial Reflectors” L-50, 15th Microoptics Conference(MOC’09), Oct., Tokyo, Japan,(2009)

4.  Nobuyasu Kitaoka, Xu Xunjian and Koji Nonaka , “Optical feedback signals wavelength dependence on quality of low time jitter optical short pulse generation” J-73, 15th Microoptics Conference(MOC’09), Oct., Tokyo, Japan,(2009)

5.   Xu Xunjian and Koji Nonaka , “High Resolution and Wide Dynamic Range Fiber Optic Pulse Correlation System” 152, 15th Asia Pacific Conference on Communications(APCC’209), Shang-hai, China, Oct., 2009,

6.  Xu Xunjian and Koji Nonaka , “Regional Selectable Distributed Sensor Based on Reflected Optical Pulse Correlation Measurement” SPIE Proceedings : Vol. 7503, 75036J 20th International Conference on Optical Fiber Sensor(OFS’09), SEdimbura, UK, Oct., 2009,

7.  Antonio Bueno,Koji Nonaka and Salvador Sales, “Novel system to interrogate distributed fiber strain sensors and point temperature sensors Based on Pulse Correlation and FBGs” SPIE Proceedings : Vol. 7503, 75032L 20th International Conference on Optical Fiber Sensor(OFS’09), Edimbura, UK, Oct., 2009, OFS2009,

8.  N. Kitaoka, and Koji Nonaka""MOC'08

9.  Xu Xunjian and Koji Nonaka , “Regional Selectable Distributed Sensor Based on Reflected Optical Pulse Correlation Measurement” SPIE Proceedings : POEM2008 (Best Paper Awards)

10. H. Songbin, K. Nonaka," A novel stable and high-sensitive fiber strain sensor based on optical pulse correlation measurement" SMNT'07 S06-  6423-153, July, Harbin, China(2007)

11. H. Songbin, N. Kitaoka, and K. Nonaka" Time jitter investigation in compact and simple time jitter suppressed gain-switched DFB laser module" MOC' 07 , H-65, Oct. Takamatsu, Japan (2007)

12.C. Tangtronbenchasil and K. Nonaka "Widely tunable UV-C generation using wavelength selective external high-Q cavity and blue laser diode" ICPN2007, Dec.,2007, Pattaya. (Second Prize :Best Student Paper Award )

13.Hong Bin Son, Toshinori Suzuki, Minako Sako and Koji Nonaka"High Time Resolution Distributed Fiber-Optic Sensor Based on Optical Pulse Correlation Measurnment", MOC'05, Tu-H40,Tokyo, 2005

14.P. Vesarach, K. Nonaka,K.Ohara" Tunable UV Generation from Extended Cavity DVD Laser Diode and Nonlinear Optical Crystal" CLEO-PR'05 , CWAB3-P40, Tokyo,2005

15."Design of Transmitting and Recieving Section of Optical Wireless Access using PLL" Ampornrat Posri, Masayoshi Tachibana, pp1410-1411, CThC3-P31, IQEC and CLEO-PR 05, July,2005

16. K. Ohara, P. Vesarach and K. Nonaka" 0.2オm Deep UV Generation using 0.4オm Blue Laser Diode with Wavelength Tunable  Cavity" CLEO-PR'05 , CFI3-6, Tokyo,2005

17.Koji  Nonaka and Hiroaki Mizuno "Simple, Small Size, Low cost and Low Time Jitter Optical Pulse Generator with Wide Range Tunable Repetition Rate”　LEOS  Summer Topical Meeting, TuB3.4, San-Diego, 2005

18. Koji Nonaka, Yoshinori Shima, Ampornrat Posri and MAsayoshi Tachibana  "Highspeed Optical Micro-cell Wirless System fro Moving User Access Terminal with VCSELs and Receivers-Array" LEOS  Summer Topical Meeting, TuA2.3, San-Diego, 2005

19.Koji Nonaka, Minako Sako and Toshinori Suzuki"Optical Pulse Timing Drift Sensing For Fiber Delay Monitoring Using Pulse Correlation and Differential Detection"Tu3, OFS-17, Bruge Belgim ,May, 2005

20.Koji  Nonaka and Hiroaki Mizuno "Low Time Jitter Optical Pulse Generator Module with Wide Range Tunable Repetition Rate”　LEOS  Annual Meeting, MK5, PuertoRico, 2004

21. Koji Nonaka and Isobe Yoshiyuki "Highspeed Optical Wirless Access with VCSEL-Array Beam Micre-cell Systems"30 th ECOC, We.P.127, Stockholm,2004

22. Koji Nonaka, Masanori Hamada, and Yoshiyuki Isobe,"Highspeed Optical Wireless Access with a Smart Beam Control Mechanism" APOC03,Wuhan,Cina,2003

23. Koji Nonaka ,Hiroaki Mizuno, Shintaro Kono, Haruyuki Kurita and Minako Sako "Sub-Picosecond Timing Jitter Suppression Using Optical Feedback Mechanism for LD Short Pulse Generation" 16th Optical Fiber Sensors (OFS-16), ThP-18,Nara,Oct.,2003

24. Kenji Ohara, Minako Sako, and Koji Nonaka "210 nm ULTRAVIOLET GENERATION USING BLUE-VIOLET LASER DIODE AND BBO SHG CRYSTAL" , in CLEO-Pacific Rim, Taipei, Dec. 2003.

25. Koji Nonaka ,Hiroaki Mizuno, Shintaro Kono, Haruyuki Kurita and Minako Sako "Pulse Timing Jitter Suppression Module Using Timing Controlled Optical Feedback Mechanism For GS-LD" LEOS Summer Topical Meetings 2003. MC3.3,Vancouver,2003

26. Koji Nonaka"Network Interactive Lecture Textnote: Clickable Web Site Text Note for Preparation and Reviewing." InSITE2002, Kochi, Jan. 2002

27. K. Nonaka, H.Takara, and K. Uchiyama :  Picosecond Optical Pulse Timing Control Using Double Pulses, TDM1-4, 25th European Conference on Optical Comunication (ECOC'99).

28. K. Nonaka, H.Takara, A. Takada, and K. Uchiyama : Bit-rate flexible all-optical RZ/NRZ transformation with saturable absorption laser diode, CLEO'98, CMA6, pp. 5-6 (1998)

29. Koji Nonaka, Fumihiko Kobayashi, Takashi Tadokoro, Kenji Kishi, Chikara Amano, Yoshio Itoh and Takashi Kurokawa "Direct Optical Demux from 10Gbit/s to 2.5Gbit/s NRZ Signals"Using a Side-Injection-Light-Controlled Bistable Laser Diode" OSA Topical meeting Photonics in Switching 97'

30. T. Tadokoro, F. Kobayashi,K.Kishi, K. Nonaka, C.Amano, Y.Itoh, H.Mori and T.Kurokawa, " Semi-insulating buried heterostructure side-injection light-controlled bistable laser diode" 15th IEEE Int.Semiconductor Laser Conference, M4.4, pp.33-44 ,1996

31. K. Nonaka and T. Kurokawa " All-optical clock recovery using a SILC-LD with a feedback loop" TuA3, International Topical meeting on Optical Computing96'

32.K. Nonaka, Y. Noguchi and T. Kurokawa," Wavelength convertor module with digital signal regeneration function" WJ4, pp83-84, CLEO-Pacific Rim95'

33.  K. Nonaka and T. Kurokawa, " Simultanious demultiplexing and wavelength conversion of NRZ optical signal using a side-injection-light-controlled bistable laser diode" TuA1-1, pp50-52, LEOS Summer meeting 95' Semiconductor Lasers

34. K. Nonaka, Y.Noguchi, H. Tsuda, and T. Kurokawa," Digital Signal Regeneration with Side-Injection Light-Controlled Bistable Laser Diode" 14th IEEE International Semiconductor Laser-diode Conferencee, TH2.4, 229-230, 1994.

35. H.Tsuda, K.Nonaka, K. Hirabayashi, H. Uenohara, H. Iwamura, and T. Kurokawa, "2.1GHz  wavelength conversion over a 100 nm input range with a side-injection light-controlled bistable laser diode", IPR'93, PD2, 6-10,1993.

36. K. Nonaka, H. Tsuda, K. Hirabayashi and T. Kurokawa," Digitally Regenerating Optical-Fiber-Loop Memory with a Side-Injection Light-Controlled Bistable Laser Diode", ECOC'93, TuC6.3, 285-288, 1993.

37. K. Nonaka, H. Tsuda, T. Kurokawa, H. Uenohara and H. Iwamura," Side-injection Light-controlled Bistable Laser Diode with InGaAs/InP MQW Saturable Absorption Region," 13th IEEE international Semiconductor Laser Conference, D-6, pp132-133, 1992

38. K. Nonaka, Y. Kawamura and K. Kubodera," Electronic optical bistability in an InGaAs/InAlAs MQW etalon at 1.5 _m wavelength," Topical meeting on Optical Computing 90' , Kobe, 9F4, pp. 124-125, 1990

 

==========================================Japanese Domestic Activity=======================================

 

<Domestic Conferences>「国内学会・研究会・シンポジウム（招待講演を含む）」多数

(招待講演)

1.  小林弘和, 都築寿理, 大西利武, 正岡裕平, 徐勲健, 野中弘二, “光パルス相関を用いた広域ファイバセンシングにおける不安定性の抑圧”, 電子情報通信学会光エレクトロニクス研究会, 岡山大学 (2012年3月)

2.  2008年1月18日　電気学会計測技術研究会(高知)　招待講演　野中弘二、宋紅彬、北岡伸康 "短光パルス時間相関を使った広域光ファイバセンシングの検討"

3.  CS-4-3　（招待講演）面発光レーザを用いた光マイクロセル方式屋内光無線通信 ○野中弘二・橘　昌良（高知工科大）

4.  光空間通信フォーラム2005”ラスト10メートル屋内光無線LANの研究と、ラスト10マイル地域無線ネットワークの課題”（招待講演）野中弘二、2005

 

・小原 健治, ベサラッチ, プラットカセム, 野中 弘二 ” 青色半導体レーザを用いた複合共振器による220nm紫外光の発生"Optics Japan、5pH2 ,2004

・野中弘二　”光マイクロセルビームを用いた移動に柔軟な屋内高速光無線システム"Optics Japan、4pH8、2004

・Pratkasem Vesarach, Kenji Ohara and Koji Nonaka "330nm Ultraviolet generation using DVD laser diode and BBO SHG crystal under the cavity condition." 電気関連四国支部連合大会17-26, p334, 2004(Best Presentation Awards)

・Koji Nonaka, *Keita Watanabe and Hiroshi Kanbe "Low timing jitter condition for optical  short pulse by using simple optical feedback circuit" 30th Meeting of Lightwave Sensing Technol. , LST30-4Tokyo,Dec., 2002