Takahide Sakamoto

发表

95-Gb/s NRZ-DPSK modulation with full-ETDM technique

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, 36th European Conference and Exhibition on Optical Communication.

Optical trellis-coded modulation with multi-parallel MZM

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, 2009 35th European Conference on Optical Communication.

Flexible and scalable wavelength multicast of coherent optical OFDM with tolerance against pump phase-noise using reconfigurable coherent multi-carrier pumping.

Tianwai Bo, Calvin Chun-Kit Chan, Naokatsu Yamamoto, 2016, Optics express.

Amplitude modulation on millimeter-wave signal with low driving voltage using reciprocating optical modulator

Tetsuya Kawanishi, Takahide Sakamoto, Satoshi Shinada, 2005, IEICE Electron. Express.

Optical comb-based versatile wavelength division multicasting add-drop node for efficient WDM networks

Naoya Wada, Jun Sakaguchi, Yoshinari Awaji, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Experimental and analytical study for detectability of the back-side flaws of flat ferromagnetic plates by RFECT

Takahide Sakamoto, Naoya Kasai, Syotaro Matsuzaki, 2011 .

Generation of optical MSK using a monolithically integrated quad Mach-Zehnder IQ modulator

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, 2009 14th OptoElectronics and Communications Conference.

Evaluation of back-side flaws of the bottom plates of an oil-storage tank by the RFECT

Yasuhiro Fujiwara, Takahide Sakamoto, Naoya Kasai, 2008 .

Frequency measurement of THz waves by electro-optic sampling using Mach-Zehnder-modulator-based flat comb generator

Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako, 2016, SPIE OPTO.

Simplified self-homodyne detection for optical OFDM with inserted pilot sub-samples and its application in downstream of optical access networks

Xun Guan, Calvin Chun-Kit Chan, Naokatsu Yamamoto, 2017, 2017 Conference on Lasers and Electro-Optics (CLEO).

Generation of optical 32QAM using two tandem IQ modulators with simplified electronics

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2013, CLEO: 2013.

Integrated reciprocating optical modulator using phase-shifted fiber Bragg grating

Tetsuya Kawanishi, Takahide Sakamoto, Satoshi Oikawa, 2005, IEICE Electron. Express.

Simple, low fluctuation voltage signal generation for 8-Gb/s quadrature amplitude modulation using dual-parallel Mach-Zehnder modulator

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2008, IEICE Electron. Express.

Efficient generation of twin photons at telecom wavelengths with 2.5 GHz repetition-rate-tunable comb laser

Masahide Sasaki, Masahiro Takeoka, Shigehito Miki, 2014, Scientific Reports.

Precise and high-speed lightwave control for huge-capacity transmission and advanced optical signal processing

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, 2009 11th International Conference on Transparent Optical Networks.

Advanced Photoreceiver Technology for Space Division Multiplexing Communication

Naokatsu Yamamoto, Takahide Sakamoto, Toshimasa Umezawa, 2018 .

Non-uniform distortion in optical QAM receiver

Takahide Sakamoto, 2015 .

Pump-phase-noise-tolerant wavelength multicasting for QAM signals using flexible coherent multi-carrier pump

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Coherently-pumped 20Gbaud 16QAM optical wavelength shifting free of phase noise from pumps

Miguel Drummond, Naoya Wada, Benjamin J. Puttnam, 2014, 2014 OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology.

Time-Frequency Domain Signaling/Multiplexing for Optical Filter-less Networking

Takahide Sakamoto, 2013 .

Optoelectronic Circuits for Control of Lightwaves and Microwaves

Takahide Sakamoto, 2011 .

Reconfigurable Optical Network Intermediate Node With Full-Quadrature Regeneration and Format Conversion Capacity

Yuefeng Ji, Hongxiang Wang, Naokatsu Yamamoto, 2018, Journal of Lightwave Technology.

Efficient QAM signal generation

Tetsuya Kawanishi, Masahiro Tsuchiya, Takahide Sakamoto, 2008 .

Multifunctional all-optical signal processing scheme for simultaneous multichannel WDM multicast and XOR logic gates based on FWM in QD-SOA

Jun Qin, Tetsuya Kawanishi, Min Zhang, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Study of precise optical modulation using Mach-Zehnder interferometers for advanced modulation formats

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2007 .

A 10-GHz Resonant-Type LiNbO Optical

Satoru Kurokawa, Takahide Sakamoto, Satoshi Shinada, 2007 .

Optical 8QAM and 8PSK synthesis by cascading arbitrary 2QAM with squared QPSK.

Naoya Wada, Tetsuya Kawanishi, Takahide Sakamoto, 2015, Optics express.

Error-free and laser-phase-noise-insensitive optical coherent transmission of uplink radio-over-fiber signal

Takahide Sakamoto, Toshiaki Kuri, Guo-Wei Lu, 2014, OFC.

Dual coherent sampling with low-speed digital signal processing for monitoring carrier-phase-drifted constellations

Takahide Sakamoto, 2016, 2016 Conference on Lasers and Electro-Optics (CLEO).

C-14-10 Offset-Frequency-Spaced Two-Tone Optical Coherent Detection Scheme with Digital Signal Processing Technique for Radio-over-Fiber Signal

Tetsuya Kawanishi, Takahide Sakamoto, Toshiaki Kuri, 2014 .

10 x 107-Gb/s NRZ-DQPSK Transmission at 1.0 b/s/Hz over 12 x 100 km Including 6 Optical Routing Nodes

Tetsuya Kawanishi, Sethumadhavan Chandrasekhar, Takahide Sakamoto, 2007, OFC 2007.

Optical frequency comb generation using asymmetrically Mach-Zehnder modulator

Takahide Sakamoto, Tetsuya Kawanishi, Masayuki Izutsu, 2005 .

Optical frequency comb generator using optical fiber loops with single-sideband modulation

Tetsuya Kawanishi, Takahide Sakamoto, Satoshi Shinada, 2004, IEICE Electron. Express.

Monolithically integrated quad machzehnder IQ modulator for generation of advanced optical modulation formats

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2010 .

Wavelength Conversion of Optical 64QAM and its Performance Optimization by Constellation Monitoring

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2013 .

Ultrashort optical pulse source using Mach-Zehnder-modulator-based flat comb generator

Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako, 2016, Nano Commun. Networks.

Laser-phase-fluctuation-insensitive offset-frequency-spaced two-tone optical coherent detection scheme with digital-signal-processing technique for radio-over-fiber systems

Tetsuya Kawanishi, Takahide Sakamoto, Toshiaki Kuri, 2015, Photonics West - Optoelectronic Materials and Devices.

Advances and challenges in vector modulation technologies

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, OPTO.

Spatial Coherent Matched Detection Using High-Speed Two Dimensional Photo-Diode Array for Full-Channel Demultiplexing and Demodulation of Mode-Division-Multiplexed Signals

Tetsuya Kawanishi, Atsushi Matsumoto, Atsushi Kanno, 2017, 2017 European Conference on Optical Communication (ECOC).

Optical Subcarrier Processing for Nyquist SCM via Coherent Spectrum Overlapping in FWM with Coherent Pump

Naokatsu Yamamoto, Ruben S. Luís, Takahide Sakamoto, 2017, 2017 European Conference on Optical Communication (ECOC).

Broadband optical comb generation using a MZM-based flat comb generator and a dispersion-shifted fiber for high accurate terahertz wave generation

Norihiko Sekine, Iwao Hosako, Tetsuya Kawanishi, 2014, 2014 OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology.

Adaptive threshold adjustment for signal-distortion-free digital-coherent optical demodulation system.

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2008, Optics express.

High-speed and presice lightwave modulation technologies

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, 2009 14th OptoElectronics and Communications Conference.

400-Gbps Space Division Multiplexing Optical Wireless Communication Using Two-Dimensional Photodetector Array

Tetsuya Kawanishi, Atsushi Matsumoto, Atsushi Kanno, 2018, 2018 European Conference on Optical Communication (ECOC).

Flexible high-order QAM transmitters for elastic optical networks

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2014, 2014 13th International Conference on Optical Communications and Networks (ICOCN).

90 Gbaud NRZ-DP-DQPSK Modulation with Full-ETDM Technique Using High-Speed Optical IQ Modulator

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2011, IEICE Trans. Electron..

Real-time homodyne reception of 40-Gb/s BPSK signal by digital optical phase-locked loop

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, 36th European Conference and Exhibition on Optical Communication.

Adaptive symbol discrimination method for distorted multi-level optical signal and its application to decoding of high-speed optical quadrature amplitude modulation

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

Optical FSK/IM Signal Generation Using an Integrated Optical FSK Modulator

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2004, IEICE Electron. Express.

Simple Self-Homodyne Detection Scheme for Optical OFDM With Inserted Pilot Subframes and Application in Optical Access Networks

Calvin Chun-Kit Chan, Naokatsu Yamamoto, Takahide Sakamoto, 2017, IEEE Access.

Optical frequency sweep technique using single sideband modulation

Takahide Sakamoto, Tetsuya Kawanishi, Masayuki Izutsu, 2005 .

20-Gb/s QPSK W-band (75-110GHz) wireless link in free space using radio-over-fiber technique

Iwao Hosako, Tetsuya Kawanishi, Atsushi Kanno, 2011, IEICE Electron. Express.

120-Gb/s NRZ-DQPSK signal generation by a thin-lithium-niobate-substrate modulator

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, IEICE Electron. Express.

Wavelength conversion of high-order QAM signals for future transparent all-optical networks

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2014, 2014 13th International Conference on Optical Communications and Networks (ICOCN).

Monolithically integrated quad Mach-Zehnder IQ modulator for optical 16-QAM generation

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2010, CLEO/QELS: 2010 Laser Science to Photonic Applications.

Traceback equalization for non-uniformly synthesized optical QAM signals

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2013, 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC.

Integrated Lithium Niobate Mach-Zehnder Interferometers for Advanced Modulation Formats

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, IEICE Trans. Electron..

Data overlay in optical networks through level-scalable flexible modulation and its application in multicast overlay for WDM-PON

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2014, 2014 IEEE Photonics Conference.

Two-Color Picosecond Pulse Generation Using Single-Stage Electro-Optic Mach-Zehnder Modulator

Tetsuya Kawanishi, Masahiro Tsuchiya, Takahide Sakamoto, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

Time-interleaved carrier-suppressed return-to-zero QPSK for filter-less dual-carrier transmission

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, 2014, OFC.

Experimental demonstration of SPM compensation using a complex-valued neural network for 40-Gbit/s optical 16QAM signals

Naokatsu Yamamoto, Takahide Sakamoto, Yuta Fukumoto, 2019, IEICE Communications Express.

Optical subcarrier processing for Nyquist SCM signals via coherent spectrum overlapping in four-wave mixing with coherent multi-tone pump.

Guo-Wei Lu, Naokatsu Yamamoto, Takahide Sakamoto, 2018, Optics express.

10 GHz-200 fs Pulse Generation with High Extension Ratio Using Mach-Zehnder-Modulator-Based Optical Comb Generator

Iwao Hosako, Tetsuya Kawanishi, Masahiro Tsuchiya, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

Sub-THz radio-over-fiber signal generation using external modulation

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2015, IEICE Electron. Express.

Offset-frequency-spaced two-tone coherent transmission of radio-over-fiber signal with recovered-constellation combining technique

Naokatsu Yamamoto, Takahide Sakamoto, Toshiaki Kuri, 2016, SPIE OPTO.

Wavelength conversion of optical 64QAM through FWM in HNLF and its performance optimization by constellation monitoring.

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2014, Optics express.

Optical FSK transmission with group delay compensated balance detection

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2005, IEICE Electron. Express.

Nonlinear distortion of 16QAM constellations in intradyne coherent receiver

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2011, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC).

Variable-linewidth light source based on Brownian motion random walk in optical phase

Tetsuya Kawanishi, Atsushi Kanno, Naokatsu Yamamoto, 2020, IEICE Electron. Express.

Loop-assisted multi-input-multi-output coherent matched detector for ultra high-bandwidth parallel optical time-frequency domain sampling

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Investigation on electro-optic optical comb generation with higher spectral resolution and bandwidth

Takahide Sakamoto, Isao Morohashi, 2016, SPIE OPTO.

Ultrafast demultiplexing of optical time-division multiplexed signals by parallel opto-electronic time-frequency domain sampling

Naokatsu Yamamoto, Takahide Sakamoto, Guo-Wei Lu, 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC).

Simultaneous Compensation of Fiber Nonlinearity and Dispersive Fading Effects by Conjugated-Paired Radio-on-Fiber Transmission with Phase-Shifted Dual-Sideband Downconversion

Tetsuya Kawanishi, Naokatsu Yamamoto, Takahide Sakamoto, 2019, 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC).

Numerical investigation on spatial coherent matched detection for detection of spatially multiplexed signals

Naokatsu Yamamoto, Toshimasa Umezawa, Takahide Sakamoto, 2019, OPTO.

An optical grating filter dry-etched on a LiNbO3 substrate

Tetsuya Kawanishi, Takahide Sakamoto, Satoshi Shinada, 2006, IEICE Electron. Express.

High extinction ratio optical modulator using active intensity trimmers

Masahiro Tsuchiya, Takahide Sakamoto, Tetsuya Kawanishi, 2005 .

16 Quadrature amplitude modulation using polarization-multiplexing QPSK modulator

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, OECC 2010 Technical Digest.

Pulse-carving technique for suppressing transient state in external wideband FSK modulation

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2005, IEICE Electron. Express.

Laser-phase-fluctuation-insensitive optical coherent transmission of 16-QAM radio-over-fiber signal with offset-frequency-spaced two-tone local light

Tetsuya Kawanishi, Takahide Sakamoto, Toshiaki Kuri, 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

Experimental demonstration of SPM compensation based on digital signal processing using a three-layer neural-network for 40-Gbit/s optical 16QAM signal

Naokatsu Yamamoto, Takahide Sakamoto, Yuta Fukumoto, 2018 .

Flexible high-order QAM transmitters for elastic optical networks

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2014 .

Generation of Arbitrarily Patterned Pulse Trains in the THz Range by Spectral Synthesis of Optical Combs

Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako, 2015, IEICE transactions on electronics.

Optical filter characterization by using optical frequency sweep technique with a single sideband modulator

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2006, IEICE Electron. Express.

OOK/FSK WDM system using external optical FSK modulation

Takahide Sakamoto, Kaoru Higuma, Junichiro Ichikawa, 2005 .

Opto-electronic time-frequency domain sampling for ultra high-bandwidth multi-carrier signal detection

Takahide Sakamoto, 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

Multiple optical code-label processing using multi-wavelength frequency comb generator and multi-port optical spectrum synthesizer.

Yuki Komai, Kashiko Kodate, Naoya Wada, 2007, Optics express.

Effect of histogram resolution on demodulation of optical quadrature amplitude modulation signal by adaptive threshold adjustment

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference.

Flexible high-order QAM transmitter using tandem IQ modulators for generating 16/32/36/64-QAM with balanced complexity in electronics and optics.

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2013, Optics express.

Optical 36QAM transmitter based on two tandem IQ modulators with simplified driving electronics

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2013, 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC.

High-speed Two-dimensional Photodetector Array for 4-WDM 25-Gbaud FSO Communication

Tetsuya Kawanishi, Atsushi Matsumoto, Atsushi Kanno, 2018, 2018 Optical Fiber Communications Conference and Exposition (OFC).

470GHz Optical Clock Signal Generation Using Reciprocating Optical Modulation

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2006, 2006 European Conference on Optical Communications.

Perspective of New Infrastructure of Fiber Communication: The Role of Coherent Light in SDM Er

Yoshinari Awaji, Tetsuya Kawanishi, Ying Li, 2015 .

Experimental Demonstration of SPM Compensation Based on Digital Signal Processing Using a Complex-Valued Neural Network for 40-Gbit/s Optical 16QAM Signals

Naokatsu Yamamoto, Takahide Sakamoto, Yuta Fukumoto, 2018, 2018 23rd Opto-Electronics and Communications Conference (OECC).

10Gbit/s FSK transmission over 95km SMF using a LiNbO3 modulator

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2005, IEICE Electron. Express.

Fiber nonlinearity tolerance of traceback equalization for non-uniformly distorted QAM signals

T. Kawanishi, Takahide Sakamoto, G.-W Lu, 2015, 2015 Conference on Lasers and Electro-Optics (CLEO).

Digital optical phase locked loop for real-time coherent demodulation of multilevel PSK/QAM

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2010, 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference.

Generation of Millimeter Waves with Fine Frequency Tunability Using Mach-Zehnder-Modulator-Based Flat Comb Generator

Iwao Hosako, Tetsuya Kawanishi, Yoshihisa Irimajiri, 2013, IEICE Trans. Electron..

40 Gbit/s versatile LiNbO/sub 3/ lightwave modulator

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2005 .

Broadband wavelength-tunable ultrashort pulse source using a Mach-Zehnder modulator and dispersion-flattened dispersion-decreasing fiber.

Iwao Hosako, Tetsuya Kawanishi, Takahide Sakamoto, 2009, Optics letters.

Highly stabilized frequency-locked optical frequency comb signal generation using amplified optical fiber loop with SSB-SC modulation

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2011, CLEO: 2011 - Laser Science to Photonic Applications.

Coherent demodulation of 10-Gb/s optical minimum-shift keying

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2010, 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference.

40 Gb/s W-band (75–110 GHz) 16-QAM radio-over-fiber signal generation and its wireless transmission

Iwao Hosako, Tetsuya Kawanishi, Yuki Yoshida, 2011, 2011 37th European Conference and Exhibition on Optical Communication.

Widely wavelength-tunable ultra-flat frequency comb generation using conventional dual-drive Mach-Zehnder modulator

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2007 .

An effect of detuning frequency in DSP-assisted offset-frequency-spaced two-tone optical coherent detection for radio-over-fiber signal

Tetsuya Kawanishi, Takahide Sakamoto, Toshiaki Kuri, 2014, 2014 IEEE Photonics Conference.

High-speed optical DQPSK and FSK modulation using integrated Mach-Zehnder interferometers.

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2006, Optics express.

All-optical time-division demultiplexing of 160 Gbit/s signal using cascaded second-order nonlinear effect in quasi-phase matched LiNbO3 waveguide device

Takahide Sakamoto, K. Taira, Kazuro Kikuchi, 2003 .

Reconfigurable multilevel transmitter using monolithically integrated quad Mach-Zehnder IQ modulator for optical 16-QAM and 8-PSK generation.

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2011, Optics express.

10 GHz-spaced, 20 THz-wide comb generation from CW light using Mach-Zehnder modulator based comb generator and dispersion-flattened dispersion-decreasing fiber

Tetsuya Kawanishi, Takahide Sakamoto, I. Hosako, 2009, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference.

Double-frequency-spaced optical comb generation technique based on quad-parallel phase modulators

Takahide Sakamoto, 2016, 2016 IEEE Photonics Conference (IPC).

Rectangular QPSK for generation of optical eight-ary phase-shift keying.

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2011, Optics express.

Digital optical Costas loop for coherent demodulation of 10-Gb/s BPSK

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, OECC 2010 Technical Digest.

Integrated LiNbO3 modulator for high-speed optical quadrature phase shift keying

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2006 .

Experimental investigation of phase-sensitive amplification in quantum-dot semiconductor optical amplifier

Benjamin J. Puttnam, Tianwai Bo, Calvin Chun-Kit Chan, 2016, 2016 Conference on Lasers and Electro-Optics (CLEO).

Picosecond Pulse Generation with a Single-Stage Standard Mach-Zehnder Modulator Employed

Tetsuya Kawanishi, Masahiro Tsuchiya, Takahide Sakamoto, 2006, 2006 European Conference on Optical Communications.

Integrated Reciprocating Optical Modulator for Optical High-Order Sideband Generation

Tetsuya Kawanishi, Takahide Sakamoto, Satoshi Oikawa, 2004 .

Electro-optic synthesis of multi-level coherent signals

T. Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, 2009 14th OptoElectronics and Communications Conference.

Initial phase control method for high-speed external modulation in optical minimum-shift keying format

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2005 .

Optoelectronic oscillator using LiNbO3 intensity modulator with resonant electrode

Tetsuya Kawanishi, Takahide Sakamoto, Satoshi Shinada, 2005 .

Optoelectronic oscillator employing reciprocating optical modulator for millimetre-wave generation

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2007 .

LiNbO3 high-speed optical FSK modulator

Tetsuya Kawanishi, Takahide Sakamoto, Kaoru Higuma, 2004 .

Observation of narrow linewidth beat signal for millimeter wave generation using MZM-based flat comb generator

Iwao Hosako, Tetsuya Kawanishi, Takahide Sakamoto, 2010, 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference.

Multiple-frequency-spaced flat optical comb generation using a multiple-parallel phase modulator.

Takahide Sakamoto, Akito Chiba, T. Sakamoto, 2017, Optics letters.

Flexible generation of 28 Gbps PAM4 60 GHz/80 GHz radio over fiber signal by injection locking of direct multilevel modulated laser to spacing-tunable two-tone light.

Yuefeng Ji, Naokatsu Yamamoto, Takahide Sakamoto, 2018, Optics express.

Coherent synthesis of optical multilevel signals by electrooptic digital-to-analog conversion using multiparallel modulator

Takahide Sakamoto, Akito Chiba, T. Sakamoto, 2010, IEEE Journal of Selected Topics in Quantum Electronics.

Optoelectronic oscillator using a LiNbO3 phase modulator for self-oscillating frequency comb generation.

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2006, Optics letters.

High-speed dual-parallel Mach-Zehnder modulator using thin lithium niobate substrate

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

Optical minimum-shift-keying transmitter based on a monolithically integrated quad Mach-Zehnder in-phase and quadrature modulator.

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, Optics letters.

Optical MSK transmitter using a monolithically integrated quad Mach-Zehnder IQ modulator

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2009, 2009 35th European Conference on Optical Communication.

Dynamic characteristics of 20-layer stacked QD-SOA with strain compensation technique by ultrafast signals using optical frequency comb

Atsushi Matsumoto, Atsushi Kanno, Naokatsu Yamamoto, 2017 .

Large Scale, Multiple, Optical Code-Label Generation and Processing Based on Multi-Port, Tuneable Spectrum Synthesizer and Electro-Optic Frequency Comb Generator

Yuki Komai, Kashiko Kodate, Naoya Wada, 2006, 2006 European Conference on Optical Communications.

Simultaneous multichannel wavelength multicasting and XOR logic gate multicasting for three DPSK signals based on four-wave mixing in quantum-dot semiconductor optical amplifier.

Yuefeng Ji, Tetsuya Kawanishi, Min Zhang, 2014, Optics express.

Fast optical frequency sweep for ultra-fine real-time spectral domain measurement

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2006 .

360-Gb/s NRZ-DP-DQPSK modulation with full-ETDM technique

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, OECC 2010 Technical Digest.

80-Gb/s optical MSK generation using a monolithically integrated quad-mach-zehnder IQ modulator

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2010, 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference.

10-GHz 32-pixel 2-D photodetector array for advanced optical fiber communications

Tetsuya Kawanishi, Atsushi Matsumoto, Atsushi Kanno, 2017, 2017 Conference on Lasers and Electro-Optics (CLEO).

All-optical modulation format conversion from frequency-shift-keying to phase-shift-keying.

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2005 .

Duobinary signal generation using high-extinction ratio modulation

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

Widely repetition-tunable 200 fs pulse source using a Mach-Zehnder-modulator-based flat comb generator and dispersion-flattened dispersion-decreasing fiber.

Iwao Hosako, Tetsuya Kawanishi, Masahiro Tsuchiya, 2008, Optics letters.

Pump-linewidth-tolerant optical wavelength conversion for high-order QAM signals using coherent pumps.

Miguel Drummond, Naoya Wada, Benjamin J. Puttnam, 2014, Optics express.

16-QAM transmitter using monolithically integrated quad Mach-Zehnder IQ modulator

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, 2010, 36th European Conference and Exhibition on Optical Communication.

Pump-phase-noise-free optical wavelength data exchange between QAM signals with 50-GHz channel-spacing using coherent DFB pump.

Miguel Drummond, Naoya Wada, Tetsuya Kawanishi, 2016, Optics express.

Optical minimum-shift keying with external modulation scheme.

Tetsuya Kawanishi, Takahide Sakamoto, Masayuki Izutsu, 2005, Optics express.

High accurate and broadband optical comb generation using MZM-based flat comb generator and soliton compression

Iwao Hosako, Tetsuya Kawanishi, Takahide Sakamoto, 2009, 2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves.

Multi-tone parallel coherent matched detection for demultiplexing of superchannels.

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2013, Optics express.

16 QAM synthesis by angular superposition of polarization using dual-polarization QPSK modulator

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, 36th European Conference and Exhibition on Optical Communication.

Experimental investigation of sampling phase sensitivity in baud-rate sampled coherent receiver for Nyquist Pulse-shaped high-order QAM signals

Tetsuya Kawanishi, Takahide Sakamoto, Guo-Wei Lu, 2014, 2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications.

160-Gb/s NRZ-DQPSK signal generation using a thin-LiNbO3-substrate modulator with a ridge-type optical waveguide structure

Tetsuya Kawanishi, Atsushi Kanno, Takahide Sakamoto, 2010, CLEO/QELS: 2010 Laser Science to Photonic Applications.

10 GHz, 2.4 ps pulse generation using a single-stage dual-drive Mach-Zehnder modulator.

Tetsuya Kawanishi, Masahiro Tsuchiya, Takahide Sakamoto, 2008, Optics letters.