Tetsuya KAWANISHI


High-Speed Coherent Transmission Using Advanced Photonics in Terahertz Bands
Atsushi KANNO Pham TIEN DAT Norihiko SEKINE Iwao HOSAKO Tetsuya KAWANISHI Yuki YOSHIDA Ken'ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1071-1080
Type of Manuscript:  INVITED PAPER (Special Section on Terahertz Waves Coming to the Real World)
Category: 
Keyword: 
terahertz waveradio over fiberwaveform transportcoherent detectionmulti-level modulationradio on radio
 Summary | Full Text:PDF

Performance of Uplink Packetized LTE-A Signal Transmission on a Cascaded Radio-on-Radio and Radio-over-Fiber System
Pham TIEN DAT Atsushi KANNO Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 840-848
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: RoF and Applications
Keyword: 
radio-over-fiber (RoF)millimeter-wave wireless (MMW)fiber-wireless convergenceburst-mode EDFA
 Summary | Full Text:PDF

Generation of Arbitrarily Patterned Pulse Trains in the THz Range by Spectral Synthesis of Optical Combs
Isao MOROHASHI Takahide SAKAMOTO Norihiko SEKINE Tetsuya KAWANISHI Akifumi KASAMATSU Iwao HOSAKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 793-798
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Subsystem
Keyword: 
optical combMach-Zehnder modulatorterahertzultra-wideband
 Summary | Full Text:PDF

Millimeter-Wave Radar Receiver Using Z-Cut LiNbO3 Optical Modulator with Orthogonal-Gap-Embedded Patch-Antennas on Low-k Dielectric Material
Yusuf Nur WIJAYANTO Atsushi KANNO Hiroshi MURATA Tetsuya KAWANISHI Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 783-792
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Device and Application
Keyword: 
LiNbO3 optical modulatorpatch-antennalow-k dielectric materialmillimeter-wave radar
 Summary | Full Text:PDF

Compact Electro-Optic Single Sideband Modulators Utilizing Miniaturized Branch-Line Couplers on LiNbO3 Substrate
Katsuyuki YAMAMOTO Tadashi KAWAI Akira ENOKIHARA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 769-776
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Device and Application
Keyword: 
electro-optic modulatorssingle sideband modulationmicrowave photonicsbranch-line coupler
 Summary | Full Text:PDF

Low Chirp Modulation by Electro-Optic Intensity Modulator Using Microwave 180-Degree Hybrid Directly Formed on LiNbO3 Substrate
Akira ENOKIHARA Masashi YAMAMOTO Tadashi KAWAI Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 777-782
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Device and Application
Keyword: 
light-frequency chirpelectro-optic modulatorrat-raceMach-Zehnder interferometer
 Summary | Full Text:PDF

New Burst-Mode Erbium-Doped Fiber Amplifier with Wide Linearity and High Output Power for Uplink Analog Radio-over-Fiber Signal Transmission
Masaki SHIRAIWA Yoshinari AWAJI Naoya WADA Atsushi KANNO Toshiaki KURI Pham TIEN DAT Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 832-839
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: RoF and Applications
Keyword: 
radio-over-fiber (RoF)burst-mode erbium-doped amplifier (BM-EDFA)long-term evolution (LTE) advancedmobile fronthaul
 Summary | Full Text:PDF

A 1.55-µm Waveband Optical Absorption Characterization of an Electro-Absorption Device with a Highly Stacked InAs/InGaAlAs Quantum Dot Structure
Naokatsu YAMAMOTO Kouichi AKAHANE Toshimasa UMEZAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 878-881
Type of Manuscript:  BRIEF PAPER
Category: MWP Device and Application
Keyword: 
quantum dotelectro-absorptionoptical modulatorquantum confined stark effectwaveguide device
 Summary | Full Text:PDF

Re-Configurable Wavelength De-Multiplexer in Wavelength Division Multiplexed Radio-over-Fiber Systems for Frequency-Modulated Continuous-Wave Signal Delivery
Toshiaki KURI Atsushi KANNO Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 849-856
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Sensing Technique
Keyword: 
wavelength division multiplexing (WDM)radio-over-fiber (RoF)wavelength de-multiplexerfrequency-modulated continuous-wave (FM-CW)
 Summary | Full Text:PDF

Generation of Millimeter Waves with Fine Frequency Tunability Using Mach-Zehnder-Modulator-Based Flat Comb Generator
Isao MOROHASHI Yoshihisa IRIMAJIRI Takahide SAKAMOTO Tetsuya KAWANISHI Motoaki YASUI Iwao HOSAKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 192-196
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Mach-Zehnder modulatoroptical combmillimeter waveterahertz wavephotomixing
 Summary | Full Text:PDF

Quadrature-Phase-Shift-Keying Radio-over-Fiber Transmission for Coherent Optical and Radio Seamless Networks
Atsushi KANNO Pham TIEN DAT Toshiaki KURI Iwao HOSAKO Tetsuya KAWANISHI Yoshihiro YASUMURA Yuki YOSHIDA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 156-162
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
radio over fiberdigital signal processingcoherent detectionmillimeter-wave radio
 Summary | Full Text:PDF

Phase Noise Measurement of Optical Heterodyning Two-Tone Signal Generated by Two Free-Running Lasers
Ryuta YAMANAKA Taka FUJITA Hideyuki SOTOBAYASHI Atsushi KANNO Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 241-244
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
phase noisemillimeter waveradio-over-fibertwo free-running lasersMach-Zehnder modulator
 Summary | Full Text:PDF

Standardization Activities for Radio on Fiber Transmitter within IEC TC103/WG5
Satoru KUROKAWA Junichiro ICHIKAWA Tetsuya KAWANISHI Hiroyo OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 138-146
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Radio on Fiber transmitterO/E converterE/O converterstandardizationTC103TC103/WG5
 Summary | Full Text:PDF

10-GHz High-Repetition Optical Short Pulse Generation from Wavelength-Tunable Quantum Dot Optical Frequency Comb Laser
Naokatsu YAMAMOTO Kouichi AKAHANE Tetsuya KAWANISHI Hideyuki SOTOBAYASHI Yuki YOSHIOKA Hiroshi TAKAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 187-191
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Quantum dot laserOptical frequency combMode locking techniqueOptical pulse generationand Wavelength-tunable laser
 Summary | Full Text:PDF

Synthesis of 16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator
Isao MOROHASHI Takahide SAKAMOTO Masaaki SUDO Atsushi KANNO Akito CHIBA Junichiro ICHIKAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1809-1814
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
modulation format electro-optic vector digital-to-analog converterquadrature amplitude modulationquad-parallel Mach-Zehnder modulatorpolarization multiplexing
 Summary | Full Text:PDF

90 Gbaud NRZ-DP-DQPSK Modulation with Full-ETDM Technique Using High-Speed Optical IQ Modulator
Atsushi KANNO Takahide SAKAMOTO Akito CHIBA Masaaki SUDO Kaoru HIGUMA Junichiro ICHIKAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/07/01
Vol. E94-C  No. 7  pp. 1179-1186
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
Ti:LiNbO3 optical modulatoroptical IQ modulatorquadrature phase shift keyingelectrically time-division multiplexing
 Summary | Full Text:PDF

Integrated Lithium Niobate Mach-Zehnder Interferometers for Advanced Modulation Formats
Tetsuya KAWANISHI Takahide SAKAMOTO Akito CHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/07/01
Vol. E92-C  No. 7  pp. 915-921
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Ultra-high-speed Photonic Devices for Next-generation Optical Fiber Communications)
Category: 
Keyword: 
optical modulatorquadrature amplitude modulationlithium niobateMach-Zehnder interferometer
 Summary | Full Text:PDF

A Resonant Type LiNbO3 Optical Modulator Array with Micro-Strip Antennas
Satoshi SHINADA Tetsuya KAWANISHI Masayuki IZUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/05/01
Vol. E90-C  No. 5  pp. 1090-1095
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: LiNbO3 Devices
Keyword: 
radio on fiber systemoptical modulatorantenna arrayLiNbO3resonant type modulatormicro-strip antenna
 Summary | Full Text:PDF

Novel Functionality and Material for Si-Photonics: Two-Photon Absorption Switching and Antimonide Hetero-Genius Epitaxy
Tak-Keung LIANG Kouichi AKAHANE Naokatsu YAMAMOTO Luis Romeu NUNES Tetsuya KAWANISHI Masahiro TSUCHIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 409-414
Type of Manuscript:  INVITED PAPER (Special Section on Evolution of Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
silicon photonicstwo-photon absorptionoptical switchphotonic devicesheteroepitaxygallium antimonide
 Summary | Full Text:PDF

Low-Temperature Au-to-Au Bonding for LiNbO3/Si Structure Achieved in Ambient Air
Ryo TAKIGAWA Eiji HIGURASHI Tadatomo SUGA Satoshi SHINADA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/01/01
Vol. E90-C  No. 1  pp. 145-146
Type of Manuscript:  Special Section LETTER (Special Section on Microoptomechatronics)
Category: Micro/Nano Fabrication
Keyword: 
low-temperature bondingAu-to-Au bondingsurface-activated bondinglithium niobate/silicon structurehybrid integration
 Summary | Full Text:PDF

Programmable Coupler Ladder Based on Lithium Niobate Y-Junction Reflector
Jianxiao CHEN Tetsuya KAWANISHI Kaoru HIGUMA Satoshi SHINADA William S.C. CHANG Masayuki IZUTSU Paul K.L. YU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Vol. E88-C  No. 3  pp. 379-384
Type of Manuscript:  Special Section PAPER (Special Section on Optical Signal-Processing Devices for Photonic Networks)
Category: 
Keyword: 
lithium niobatesplittercoupler ladderloop resonator
 Summary | Full Text:PDF

A Novel Vector Spatial Field Mapping Technique Using Electro-Optic Sampling
Yoshiro MATSUO Tetsuya KAWANISHI Satoshi OIKAWA Kaoru HIGUMA Masayuki IZUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/02/01
Vol. E87-C  No. 2  pp. 246-249
Type of Manuscript:  LETTER
Category: Lasers, Quantum Electronics
Keyword: 
field distributionspatial field mappingelectro-optic samplingsandwich-like electro-optic crystal
 Summary | Full Text:PDF

Analysis of Tunable Delay-Line Using an Optical Single-Sideband Modulator
Tetsuya KAWANISHI Masayuki IZUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1230-1235
Type of Manuscript:  INVITED PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Signal Generation and Processing Based on MWP Techniques
Keyword: 
delay-lineoptical modulationsingle-sideband
 Summary | Full Text:PDF

Electro-Optic Sampling Measurement of the Electric Field Distribution on a Resonant Electrode for a Band-Operation Optical Modulator
Yoshiro MATSUO Tetsuya KAWANISHI Satoshi OIKAWA Kaoru HIGUMA Masayuki IZUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/01/01
Vol. E86-C  No. 1  pp. 100-103
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
electro-optic samplingelectric field distributionfrequency responseresonant stateasymmetric resonant electrode
 Summary | Full Text:PDF

Fidelity of Near-Field Intensity Distribution of Surface Plasmon on Slightly Rough Surfaces
Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 2065-2070
Type of Manuscript:  Special Section PAPER (Special Issue on Near-Field Optics and Its Applications)
Category: 
Keyword: 
scatteringnear-fieldplasmonstochasticfunctional
 Summary | Full Text:PDF

Design of LiNbO3 Optical Modulator with an Asymmetric Resonant Structure
Tetsuya KAWANISHI Satoshi OIKAWA Kaoru HIGUMA Masahide SASAKI Masayuki IZUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 150-155
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrafast Optical Signal Processing and Its Application)
Category: Optical Pulse Compression, Control and Monitoring
Keyword: 
optical modulatorresonanceasymmetric structurewaveguideimpedance matching
 Summary | Full Text:PDF

The Phase Shift at Brewster's Angle on a Slightly Rough Surface
Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/12/25
Vol. E83-C  No. 12  pp. 1844-1848
Type of Manuscript:  Special Section PAPER (Special Issue on Problems of Random Scattering and Electromagnetic Wave Sensing)
Category: Rough Surface Scattering
Keyword: 
scatteringrough surfaceBrewster's anglestochastic functional approach
 Summary | Full Text:PDF