Optically filtered VSB modulation for data-center networks, The 8th International Conference on Smart Systems Engineering 2020, CL19, 2020.10

Kota Suzuki, Masaki Tasugi, Kenji Nozawa, K. I. Amila Sampath, and Katsumi Takano

Multiple Authorship (Only Japanese)

Optical QPSK signal generation based on the circular trajectory of phase-shifted optical VSB modulation using high-pass Hilbert transformers, The 24th OptoElectronics and Communications Conference, TuP4-B4 1-3, 2019.07

Daichi Sato, Kariyawasam Indipalage Amila Sampath, and Katsumi Takano

Multiple Authorship (Only Japanese)

50-km transmission experiment of phase-shift method-based carrier-emitted optical SSB signal without dispersion compensation, The 12th IEEE International Conference on Industrial and Information Systems, 1-4, 2017.12

Kariyawasam Indipalage Amila Sampath, Masaki Shiraiwa, Yoshinari Awaji, Joji Maeda, and Katsumi Takano

Multiple Authorship (Including Foreigners)

Experimentally observed field trajectories of optical BPSK-SSB/VSB modulated signals, The 24th Congress of the International Commission for Optics (ICO-24), Tu2E-04 , 2017.08

Kariyawasam Indipalage Amila Sampath, Masaki Shiraiwa, Yoshinari Awaji, Joji Maeda, and Katsumi Takano

Multiple Authorship (Including Foreigners)

Numerical analysis on delay time and wavelength increase of inverse multiplexing using parallel routes in upgrade scenario of optical path networks, Microsystem Technologies, 23(5) 1153-1160, 2017.05

Katsumi Takano, Hiroki Sayama

Multiple Authorship (Including Foreigners)

Phase-shift Method-based Optical VSB Modulation using High-pass Hilbert transform, IEEE Photonics Journal, 8(5) 5501513, 2016.08

K. I. Amila Sampath, Katsumi Takano

Multiple Authorship (Including Foreigners)

Self-phase modulation based signal distortions of optical SSB-SC signal with pilot carrier, The 21th OptoElectronics and Communications Conference, ThB1-3, 2016.07

K. I. Amila Sampath, Katsumi Takano, Manabu Sato

Multiple Authorship (Including Foreigners)

Transmission performance of peak-clipped carrier-suppressed optical SSB signal with variable clipping voltage, The 10th IEEE International Conference on Industrial and Information Systems, CIT-3(5) , 2015.12

K. I. Amila Sampath, Katsumi Takano, Manabu Sato

Multiple Authorship (Including Foreigners)

Optical single sideband modulation with pre-processing of phase rotation for IoT networks, The 3rd International Conference on Smart Systems Engineering 2015, CL(10) , 2015.10

Takahiro Suzuki, Katsumi Takano

Multiple Authorship (Including Foreigners)

Performance evaluation of peak-clipped optical BPSK-SSB modulated signal, Optics Express, 23(15) 19813-19820, 2015.07

K. I. Amila Sampath, Katsumi Takano

Multiple Authorship (Including Foreigners)

PAPR reduction technique for optical SSB modulation using peak folding, The 20th OptoElectronics and Communications Conference, JTuA(35) , 2015.06

K. I. Amila Sampath, Katsumi Takano

Multiple Authorship (Including Foreigners)

Impact of wavelength grouping method on waveband switching size in Japan topology network, 2015 IEEE International Broadband and Photonics Conference, P1(2) 19-22, 2015.04

Katsumi Takano, Ryo Karube

Multiple Authorship (Including Foreigners)

100-km standard SMF transmission of Japanese digital terrestrial television broadcasting signal with EDFA and optical single sideband modulation, 2014 International Topical Meeting on Microwave Photonics/ The 9th Asia-Pacific Microwave Photonics Conference, TuEF(11) 436-438, 2014.10

Katsumi Takano, Tomoaki Yamada

Multiple Authorship (Including Foreigners)

Optical VSB modulation based on phase-shift method and its PAPR characteristics for optical BPSK transmission, 2014 OptoElectronics and Communications Conference, WEPS2(55) 776-777, 2014.07

K. I. Amila Sampath, Katsumi Takano

Multiple Authorship (Including Foreigners)

Impact of waveband switching and equalizing of paths in a link on photonic core networks in Japan, Journal for Academic Comupting and Networking, 16 131-137, 2012.09

Katsumi Takano, Ryo Karube, Keita Saito, Toshihiro Taketa, Tomohiro Ito

Multiple Authorship (Only Japanese)

Development of sharepoint service for Gakunin by using ADFS, Journal for Academic Comupting and Networking, 16 33-40, 2012.09

Tomohiro Ito, Kazuhiro Tachibana, Sumio Okuyama, Katsumi Takano, Yasuhisa Tajima, Hiroshi Yoshida

Multiple Authorship (Only Japanese)

Construction of high availability access management federation by using multiple ISP and distributed database, 15 72-79, 2012.06

Tomohiro Ito, Katsumi Takano, Yasuhisa Tajima, and Hiroshi Yoshida

Multiple Authorship (Only Japanese)

Peak level mitigation of optical SSB modulation using highpass Hilbert transformations, Asia-Pacific Microwave Photonics Conference 2012, (WB-5) WB-5-1-WB-5-2, 2012.04

Katsumi Takano, Yoshiaki Ichijo, Koichi Oikawa, Masaru Sugimoto, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Construction of robust information infrastructures for disaster in decentralized campus, Journal for Academic Comupting and Networking, (15) 5-11, 2011.09

Tomohiro Ito, Katsumi Takano, Yasuhisa Tajima, and Hiroshi Yoshida

Multiple Authorship (Only Japanese)

Impact of waveband add/drop on optical cross connect size in waveband switching networks, The 16th OptoElectronics and Communications Conference , (7P3-014) 558-559, 2011.07

Ryo Karube, Katsumi Takano, Tomohiro Ito and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Influence of self-phase modulation effect on waveform degradation and spectral broadening in optical BPSK-SSB fiber transmission, Optics Express, 19(10) 9699-9707, 2011.05

Katsumi Takano, Takashi Murakami, Yuki Sawaguchi, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Pre-distortion to mitigate SPM effect in optical BPSK-SSB fiber transmission , Proceedings of SPIE on Optical Transmission Systems, Switching, and Subsystems VIII , 7988 79881N_1-79881N_6, 2011.02

Katsumi Takano, Yuki Sawaguchi, Yoshiaki Ichijo, Shun Sato and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

The impact of waveband size on the number of ports of cross-connect in waveband switching networks, Proceedings of SPIE on Network Architectures, Management, and Applications VIII , 7989 79890X_1-79890X_4, 2011.01

Ryo Karube, Katsumi Takano, Tomohiro Ito and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Mitigation of SPM effect using pilot carrier on optical BPSK-SSB transmission, The 15th OptoElectronics and Communications Conference, (8P-11) 588-589, 2010.07

Katsumi Takano, Masayuki Ishihara, Yoshiaki Ichijo, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Impact of grouping method on switch size in waveband switching networks, The 15th OptoElectronics and Communications Conference, (7P-05) 266-267, 2010.07

Ryo Karube, Kumi Saito, Katsumi Takano, Fumitaka Suzuki, Tetsuji Joken, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Numerical analysis on EDFA saturated-gain response to OFDM signals, The 5th Asia-Pacific Microwave Photonics Conference, (MB1-2) , 2010.04

Katsumi Takano, Akihiro Hashiba, Kumi Saito and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Sideband suppression characteristics of optical SSB generation filter with sampled FBG based 4-taps optical Hilbert transformer, The 15th Asia-Pacific Conference on Communications, (167) 622-625, 2009.10

Xiaoyan Wang, Masanori Hanawa, Kazuhiko Nakamura, Katsumi Takano, Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Performance comparison with various methods for optical single sideband signal generation, 2009 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (1A02) 2, 2009.08

Kohei Sasaki, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Delay time estimation for optical inverse multiplexing by parallel routes in WDM optical path networks with mesh topology, IEICE Electronics Express, 6(8) 461-466, 2009.04

Hiroki Sayama, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Comparison of audio packet loss concealment method using LPC interpolation on the time-frequency MDCT frame, The 37th International Congress and Exposition on Noise Control Engineering (Inter-noise 2008), (PO-3-0452 ) , 2008.10

Yuuki Akiba, Kazuhiro Kondo, Katumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Delay time increase for path demand by inverse-multiplexing with parallel routes in WDM optical path networks, The 14th Asia-Pacific Conference on Communications , The 7th International Conference on Optical Internet(APCC/COIN2008), (C-15-PM2-2) , 2008.10

Hiroki Sayama, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Optical single sideband modulation using optical Hilbert transformation with arrayed-waveguide gratings and spatial phase filter, 2008 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (2A26) 47, 2008.08

Mitsuhiro Abe, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Robust detection method for self-phase modulation effect of emitted carrier-optical single sideband modulation, 2008 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (2A27) 48, 2008.08

Masayuki Ishihara, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Post-equalization for SPM in optical BPSK-SSB transmission, The 13th OptoElectronics and Communications Conference and the Australian Conference on Optical Fibre Technology (OECC/ACOFT2008), (ThP-94) , 2008.07

Katsumi Takano, Yuki Sawaguchi, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

All-optical Hilbert transformer for optical single-side-band modulation by using sampled fiber Bragg grating based optical transversal filter, The 33rd European Conference on Optical Communication (ECOC2007), (Mo.1.5.6) , 2007.09

Masanori Hanawa, Kazuhiro Nakamura, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Technologies realizing optical single sideband modulation for optical fiber transmission, 2008 IEICE Society Conference, 1 88-89, 2007.09

Katsumi Takano

Single Author

Waveform degradation and spectral broadening due to self-phase modulation in optical BPSK-SSB transmission, OSA Conference Proceedings on Nonlinear Photonics (NP2007), (JWA19) , 2007.09

Katsumi Takano, Takashi Murakami, Yuki Sawaguchi, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Power stable fiber loop buffers with EDFA followed by SOA, The 12th Optoelectronics and Communications Conference and The 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC2007/IOOC2007),, (11A1-2) 98-99, 2007.07

Katsumi Takano, Yutaka Takahashi, Daisuke Morita, Kiyoshi Nakagawa, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Reduction of power fluctuation in pulsed lightwave frequency sweepers with SOA following EDFA, IEEE Photonics Technology Letters, 19(7) 525-527, 2007.04

Katsumi Takano, Kiyoshi Nakagawa, Yutaka Takahashi, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Experimental demonstration of optically phase-shifted SSB modulation with fiber-based optical Hilbert transformers, OFC/NFOEC2007, (JThA48) , 2007.03

Katsumi Takano, Nobutomo Hanzawa, Sadayuki Tanji, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Influence of optical filters on pulse circulation in fiber rings with a frequency shifter and EDFA, OSA Optics Express, 14(22) 10313-10323, 2006.10

Katsumi Takano, Kiyoshi Nakagawa, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Optical tunable delay lines using fiber ring with acousto-optic frequency shifters and EDFAs: I. experimental demonstration, IEICE Electronics Express, 3(20) 442-446, 2006.10

Katsumi Takano, Kiyoshi Nakagawa, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Optical tunable delay lines using fiber ring with acousto-optic frequency shifters and EDFAs: II. SNR analysis, IEICE Electronics Express, 3(20) 447-452, 2006.10

Katsumi Takano, Kiyoshi Nakagawa, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Analog signal transmission in optical multimode fiber with WDM-pulse-position-modulation, 2006 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (1A18) 18, 2006.08

Hideyasu Hinokuma, Katsumi Takano, Kazuhiro Kondo, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Influence of un-balanced optical FIR Hilbert transformers on optical SSB standard single-mode fiber transmission, 2006 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (1A15) 15, 2006.08

Yuki Sawaguchi, Katsumi Takano, Takashi Murakami, Nobutomo Hanzawa, Kazuhiro Kondo, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

The third order optically phase-shifted Hilbert transformers for optical single side-band modulation, 2006 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (1A16) 16, 2006.08

Nobutomo Hanzawa, Tatsunori Yui, Katsumi Takano, Kazuhiro Kondo, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

A study on optical reference path in optical coherence tomography equipments, 2006 Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, (1A17) 17, 2006.08

Sadayuki Tanji, Hiromiti Seto, Tsutomu Ichimura, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Signal transition dependency of SPM effect in optical carrier-suppressed SSB transmission, The 11th Optoelectronics and Communications Conference (OECC2006), (5F2-1) , 2006.07

Takashi Murakami, Katsumi Takano, Yuki Sawaguchi, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Impact of Hilbert transformation order on SPM effect in optical BPSK-SSB transmission, OSA Conference Proceedings on Coherent Optical Technologies and Applications　(COTA2006), (CFD2) , 2006.06

Katsumi Takano, Takashi Murakami, Kazuhiro Kondo, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Power variable fiber ring combining EDFA and SOA for optical tunable delay lines, OSA Conference Proceedings on Optical Amplifiers and Their Applications (OAA2006), (JWB5) , 2006.06

Katsumi Takano, Kiyoshi Nakagawa, Katsuhiro Shimizu, Kuniaki Motoshima, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Evolution of optical single sideband modulation techniques to an epoch, 12-15, 2006.06

Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Only Japanese)

Optical Hilbert transformers with Mach-Zender interferometers for optical SSB modulation, The 2006 Asia-Pacific Microwave Photonics Conference (AP-MWP2006), (C-20) 113-114, 2006.04

Katsumi Takano, Nobutomo Hanzawa, Tatsunori Yui, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

On quality improvement of degraded MPEG audio due to packet loss using highly compressed overhead data, International Workshop on Frontiers in Speech and Hearing Research, 9, 2006.03

Tadaaki Niizeki, Kazuhiro Kondo, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

On a revised word-pair list for the Japanese intelligibility test, International Workshop on Frontiers in Speech and Hearing Research, 17, 2006.03

Masaya Fujimori, Kazuhiro Kondo, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Mitigation of SPM effect by using Manchester code on optical BPSK-SSB transmission, OFC/NFOEC2006, (OTuK2) , 2006.03

Katsumi Takano, Takashi Murakami, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

An optical tunable delay line using fiber ring with AO frequency shifters and EDFAs, The 9-th International Symposium on Contemporary Photonics Technology (CPT2006), 153-154, 2006.01

Katsumi Takano, Kiyoshi Nakagawa, and Hiromasa Ito

Multiple Authorship (Including Foreigners)

Power distribution of optical comb generated by fiber ring with AO frequency shifters, The 10th Optoelectronics and Communications Conference (OECC2005), (6D4-3) 254-255, 2005.07

Katsumi Takano, Takayuki Yumoto, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Performance analysis of optical single sideband modulation based on Mach-Zehnder interferometers and its dispersive fiber transmission, IEICE Transactions on Communications, E88-B(5) 1994-2003, 2005.05

Katsumi Takano, Yuuki Naganuma and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Influence of XPM for the capacity increase in the WDM systems, The 8-th International Symposium on Contemporary Photonics Technology (CPT2005), (P-3) 85-86, 2005.01

Yoshihisa Inuzuka, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

SPM effect on optical carrier-suppressed SSB signal generated by optical tapped-delay Hilbert transformer, The 8-th International Symposium on Contemporary Photonics Technology (CPT2005), (P-2) 83-84, 2005.01

Takashi Murakami, Katsumi Takano, and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats, Electronics Letters, 40(18) 1150-1151, 2004.09

Katsumi Takano, Norihiro Sakamoto and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Eye opening degradation in optical carrier-suppressed SSB modulation generated by optical FIR Hilbert transformer, The 9th Optoelectronics and Communications Conference (OECC2004), (16A1-4) 744-745, 2004.07

Takashi Murakami, Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Waveform degradation by SPM in carrier-suppressed optical SSB transmission with NRZ and RZ formats, 2004 IEEE/LEOS Workshop on Advanced Modulation Formats, (FA1) 27-28, 2004.07

Katsumi Takano, Norihiro Sakamoto and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Impact of Optical Filters on Pulse Lifetime in Fiber Rings with Frequency Shifter and EDFA, OSA Conference Proceedings on Optical Amplifiers and Their Applications (OAA2004), (JWB11) , 2004.06

Katsumi Takano, Takayuki Yumoto and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Possibility of Optical Single Sideband Transmission, 10-11, 2004.06

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Only Japanese)

Transmission bandwidth expansion of SI-POF using WDM-pulse-position modulations, The 8th Optoelectronics and Communications Conference (OECC2003), (15D1-3) 550-551, 2003.10

Katsumi Takano, Eiji Matsumoto and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Eye openings in WDM transmission systems with optical SSB modulation using a Hilbertt tansformer and with electrical low-frequency band equalization, ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS, 86(5) 1-11, 2003.05

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Frequency shifter type hop count indication method in WDM photonic networks, 44(3) 527-534, 2003.03

Nahoko Arai, Kiyoshi Nakagawa, Katsumi Takano and Yukio Hiranaka

Multiple Authorship (Only Japanese)

Eye-opening characteristics in WDM transmission systems with optical SSB modulation using all-optical Hilbert transformer, IEICE Transactions on Communications, J85-B(8) 1371-1381, 2002.08

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Only Japanese)

Evaluation of Network Size for Frequency Shifter Type Hop Count Indication Method in GMPLS Node, 2002 International Topical Meeting on Photonics in Switching (PS 2002) Co-located International Conference on Optical Internet (COIN 2002), (WeA1) 194-196, 2002.07

Nahoko Arai, Kiyoshi Nakagawa, Katsumi Takano and Yukio Hiranaka

Multiple Authorship (Including Foreigners)

Scalability of GMPLS Node using Optical Frequency Shifters Based on SNR Analysis, The 2002 International Conference on Circuits/Systems Computers and Communications (ITC-CSCC 2002), 880-883, 2002.07

Nahoko Arai, Kiyoshi Nakagawa, Katsumi Takano and Yukio Hiranaka

Multiple Authorship (Including Foreigners)

Basic Performance Analysis of Optical Single Sideband Modulator using Arrayed Waveguide Gratings, OSA Trends in Optics and Photonics Series, 78(IFA2) , 2002.07

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

An Optical Wavelength Converter using Cascaded Optical Frequency Shifters for Burst Mode GMPLS Nodes, Optoelectronics and Communications Conference (OECC2002), (10P-5) 198-199, 2002.07

Nahoko Arai, Kiyoshi Nakagawa, Katsumi Takano and Yukio Hiranaka

Multiple Authorship (Including Foreigners)

Eye openings in WDM transmission systems with optical SSB modulation using a Hilbert transformer and electrical low-frequency band equalization, IEICE Transactions on Communications, J85-B(2) 159-168, 2002.02

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Only Japanese)

Improved sideband suppression of optical SSB modulation using all-optical Hilbert transformer, Electronics Letters, 38(3) 133-134, 2002.01

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

All-Optical Hilbert Transformer Implementation for Fiber-Optic Single Sideband Modulator, International Symposium on Contemporary Photonics Technology (CPT'02), (E-4) 67-68, 2002.01

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Frequency Response of Rotating Shape Defect in 2-D Photonic Crystal for Optical Tunable Filter, IEEE Conference Proceedings of Laser & Electro-Optics Society (LEOS 2001), (TuJ2) 206-207, 2001.11

Katsumi Takano, Takayuki Sugano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Analysis and Improvement on Polarization Sensitivity of Pulsed Lightwave Frequency Sweeper, IEEE Conference Proceedings of Laser & Electro-Optics Society (LEOS 2001), (WS5) 548-549, 2001.11

Katsumi Takano, Yukiko Suzuki, Makoto Ueda and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Eye-opening Characteristics of Optical SSB Modulation using Hilbert Transformer, The 4th Pacific Rim Conference on Laser and Electro-Optics (CLEO/Pacific Rim 2001), II(ThB1-4) 554-555, 2001.07

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Characteristics of Fiber-Optic SSB Modulation using Optical Hilbert Transformer, Optoelectronics and Communications Conference (OECC2001), 600-601, 2001.07

Kikuji Tanaka, Katsumi Takano, Kazuhiro Kondo and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Frequency Analysis of Wavelength Demultiplexers and Optical Filters with Finite 2-D Photonic Crystals, IEICE Transactions on Communications, E84-B(5) 1295-1303, 2001.05

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Frequency Analysis of Wavelength Demultiplexers and Optical Filters with Finite 2-D Photonic Crystals, IEICE Transactions on Electronics, E84-C(5) 669-677, 2001.05

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Frequency difference of localized modes in 2-D photonic crystal with two point defects, The 7th International Workshop on Femtosecond Technology(FST2000), (FC-35) 185, 2000.06

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Flattened passband of the filter in 2-D photonic crystal, International Workshop on Photonic and Electromagnetic Crystal Structures(PECS 2000), (T4-6) , 2000.03

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Numerical Analysis of Wavelength Demultiplexer using Localized Mode in 2-D Photonic Crystal, Asia-Pacific Conference on Communications (APCC/OECC'99), (C2-S1) 327-328, 1999.10

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

An Optical Wavelength Demultiplexer using 2D Photonic Crystal, International Topical Workshop on Contemporary Photonic Technologies (CPT'99), (Th2-3-1) 91-92, 1999.01

Katsumi Takano and Kiyoshi Nakagawa

Multiple Authorship (Including Foreigners)

Automatic Gain Control of Erbium-Doped Fiber Amplifiers for WDM Transmission Systems, IEICE Transactions on Communications, E80-B(9) 1311-1320, 1997.09

Kuniaki Motoshima, Katsuhiro Shimizu, Katsumi Takano, Takashi Mizuochi, Tadayoshi Kitayama and Katsuyoshi Ito

Multiple Authorship (Including Foreigners)

10Gbit/s Repeaterless Transmission over 258Km Employing 24ps RZ Pulses, OFC'96, (TuD2) 15-16, 1996.03

Katsuhiro Shimizu, Takashi Mizuochi, Junichi Nakagawa, Katsumi Takano, Kuniaki Motoshima and Tadayoshi Kitayama

Multiple Authorship (Including Foreigners)

10 Gbit/s, 285 km repeaterless optical transmission experients with a highly sensitive optical preamplifier, Electronics Letters, 32(1) 48-49, 1996.01

Junichi Nakagawa, Takashi Mizuochi, Katsumi Takano, Kuniaki Motoshima, Katsuhiro Shimizu and Tadayoshi Kitayama

Multiple Authorship (Including Foreigners)

10 Gbit/s-270 km Non-repeated Optical Transmission Experiment with High Receiver Sensitivity, 1995 European Conference on Optical Communication (ECOC'95), (We.B.2.3) 601-604, 1995.09

Junichi Nakagawa, Katsuhiro Shimizu, Takashi Mizuochi, Katsumi Takano, Kuniaki Motoshima and Tadayoshi Kitayama

Multiple Authorship (Including Foreigners)

Eight-channel 2.5Gbit/s WDM Transmission over 275Km using Directly Modulated 1.55μm MQW DFB-LDs, OFC'95, (TuH3) 30-32, 1995.03

Kuniaki Motoshima, Katsumi Takano, Junichi Nakagawa and Tadayoshi Kitayama

Multiple Authorship (Including Foreigners)

EDFA with Dynamic Gain Compensation for Multiwavelength Transmission Systems, OFC'94, (ThC4) 191-192, 1994.03

Kuniaki Motoshima, Katsuhiro Shimizu, Katsumi Takano, Takashi Mizuochi and Tadayohi Kitayama

Multiple Authorship (Including Foreigners)

Grant-in-Aid for Young Scientists(B)，2005.04 - 2006.03

Grant-in-Aid for Young Scientists(B)，2004.04 - 2005.03

Grant-in-Aid for Young Scientists(B)，2003.04 - 2004.03

Grant-in-Aid for Scientific Research(B)，2001.04 - 2002.03

Grant-in-Aid for Scientific Research(B)，2000.04 - 2001.03

Grant-in-Aid for Scientific Research(B)，1999.04 - 2000.03