CHIBA Akito

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Name
CHIBA Akito
Affiliation
Gunma University
Degree
Master of Engineering(Hokkaido University), Bachelor of Engineering(Hokkaido University), Ph. D.(Hokkaido University)

Research Areas

 
 

Academic & Professional Experience

 
2018
 - 
2018
Univ. of California, Los Angeles
 
2010
 - 
2011
Faculty of Engineering, Shizuoka University
 
2011
   
 
- Graduate school of Engineering, Gunma University
 
2005
 - 
2010
National Institute of Information and Communications Technology
 

Education

 
 
 - 
2005
Division of Electronic and Information Engineering, Graduate School of Engineering, Hokkaido University
 
 
 - 
2000
Electric and Precision Engineering, Faculty of Engineering, Hokkaido University
 
 
 - 
2002
Division of Electronic and Information Engineering, Graduate School of Engineering, Hokkaido University
 

Awards & Honors

 
Mar 2000
Prof. Yoshimachi Memorial award, Faculty of Engineering, Hokkaido University
 

Published Papers

 
T. Sakamoto and A. Chiba
Optics Letters   Vol.42(No. 21) 4462-4465   Oct 2017   [Refereed]
A. Chiba, Y. Akamatsu and K. Takada
Electronics Letters   Vol.52(No.9) 736-738   Apr 2016   [Refereed]
Chiba A, Akamatsu Y, Takada K
Optics express   23(20) 26259-26267   Oct 2015   [Refereed]
Chiba A, Akamatsu Y, Takada K
Optics letters   40(15) 3651-3654   Aug 2015   [Refereed]
Y.Akamatsu, A. Chiba, and K. Takada
Proc. OFC/NFOEC 2015   2015(1) 1-3   Mar 2015   [Refereed]
A. Chiba, T. Kawanishi, T. Sakamoto, K. Higuma, K. Takada and M. Izutsu
IEEE Journal of selected topics in quantum electronics   Vol. 19(Issue 6) 3400307-1-7   May 2013   [Refereed]
A. Chiba, S. Tanaka, W. Inami, A. Sugita, K. Takada and Y. Kawata
Optical Materials   35(11) 1887-1889   Sep 2013   [Refereed]
K. Takada, M. Seino, A. Chiba and K. Okamoto
Applied Optics   Vol. 52(No. 12) 2555-2563   Apr 2013   [Refereed]
Y. Nawa, W. Inami, A. Chiba, A. Ono, A. Miyakawa, Y. Kawata, S. Lin and S. Terakawa
Optics Express   Vol.20(No. 5) pp. 5629-5635.   Feb 2012   [Refereed]
Lu GW, Sakamoto T, Chiba A, Kawanishi T, Miyazaki T, Higuma K, Sudo M, Ichikawa J
Optics express   19(6) 5596-5601   Mar 2011   [Refereed]
T. Sakamoto, A. Chiba and T. Kawanishi
Proc. OFC/NFOEC 2011   2011(1) 1-3   Mar 2011   [Refereed]
G.-W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma, M. Sudou and J. Ichikawa
Optics Express   Vol. 19(Issue 6) pp. 5596?5601   Mar 2011   [Refereed]
A. Chiba, T. Sakamoto, T. Kawanishi, K. Higuma, M. Sudou and J. Ichikawa
IEEE Photonics Technology Letters   Vol. 23(No. 14) 977-979   Jul 2011   [Refereed]
Isao Morohashi,Takahide Sakamoto,Masaaki Sudo,Atsushi Kanno,Akito Chiba,Junichiro Ichikawa,Tetsuya Kawanishi
IEICE Transactions   94-B(7) 1809-1814   Jul 2011   [Refereed]
A. Kanno,T. Sakamoto, A. Chiba, M. Sudo, K. Higuma, J. Ichikawa and T. Kawanishi
IEICE Transactions   94-C(7) 1179-1186   Jul 2011   [Refereed]
T. Sakamoto, G.-W. Lu, A. Chiba and T. Kawanishi
Proc. OFC/NFOEC 2010   2010(1) 1-3   Mar 2010   [Refereed]
G.-W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma, M. Sudo, and J. Ichikawa
Proc. ECOC2010   2010(1) Mo.1.F.3, pp. 1-2   Sep 2010   [Refereed]
I. Morohashi, M. Sudo, T. Sakamoto, A. Kanno, A. Chiba, J. Ichikawa and T. Kawanishi
Proc. ECOC 2010   2010(1) P3.14, pp. 1-2   Sep 2010   [Refereed]
T. Sakamoto, A. Chiba, A. Kanno, I. Morohashi and T. Kawanishi
Proc. ECOC 2010   2010(1) P3.12, pp. 1-2   Sep 2010   [Refereed]
A. Kanno, T. Sakamoto, A. Chiba, T. Kawanishi, M. Sudo, K. Higuma and J. Ichikawa
Proc. ECOC 2010   2010(1) Mo.2.F.5, pp.1-2   Sep 2010   [Refereed]
A. Kanno, T. Sakamoto, A. Chiba, T. Kawanishi, K. Higuma, M. Sudou and J. Ichikawa
Proc. OFC/NFOEC 2010   2010(1) 1-3   Sep 2010   [Refereed]
T. Sakamoto, G.-W. Lu, A. Chiba and T. Kawanishi
Proc. OFC/NFOEC 2010   2010(1) 1-3   Sep 2010   [Refereed]
G.-W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma and J. Ichikawa
Proc. OFC/NFOEC 2010   2010(1) 1-3   Sep 2010   [Refereed]
G.-W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma, M. Sudo and J. Ichikawa
Proc. CLEO/IQEC 2010   2010(PDP) 1-2   May 2010   [Refereed]
T. Sakamoto and A. Chiba
IEEE Journal of selected topics in quantum electronics   Vol. 16(No.5) 1140-1149   Oct 2010   [Refereed]
A. Chiba
Electronics Letters   Vol. 46(No. 3) p. 186   Mar 2010   [Refereed]
A. Chiba, T. Sakamoto, T. Kawanishi, K. Higuma, M. Sudou and J. Ichikawa
Electronics letters   Vol. 46(No. 3) 220-221   Feb 2010   [Refereed]
Atsushi Kanno,Takahide Sakamoto,Akito Chiba,Tetsuya Kawanishi,Kaoru Higuma,Masaaki Sudou,Junichiro Ichikawa
IEICE Electronic Express   7(11) 817-822   Jul 2010   [Refereed]
G. -W. Lu , T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma and J. Ichikawa
Optics Letters   34(14) 2144-2146   Jul 2009   [Refereed]
T. Sakamoto, A. Chiba, I.Morohashi and T. Kawanishi
Proc. ECOC2009   2009(1) P3.17, pp. 1-2   Sep 2009   [Refereed]
A. Chiba, T. Kawanishi, T. Sakamoto, K. Higuma and M. Izutsu
Proc. OFC/NFOEC 2009   2009(1) 1-3   Mar 2009   [Refereed]
A. Kanno, T. Sakamoto, A. Chiba, T. Kawanishi, K. Higuma, M. Sudou and J. Ichikawa
Proc. ECOC2009   2009(1) P2.09, pp.1-2   Sep 2009   [Refereed]
G.-W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma and J. Ichikawa
Proc. ECOC2009   2009(1) No. 5.2.1, pp. 1-2   Sep 2009   [Refereed]
T. Sakamoto, A. Chiba and T. Kawanishi
Proc. OFC/NFOEC 2009   2009(3) 1-3   Mar 2009   [Refereed]
T. Sakamoto, A. Chiba, and T. Kawanishi
Proc. OFC/NFOEC 2009   2009(1) 1-3   Mar 2009   [Refereed]
A. Chiba, T. Kawanishi, T. Sakamoto, K. Higuma and M. Izutsu
Proc. OFC/NFOEC 2009   2009(3) 1-3   Mar 2009   [Refereed]
T. Kawanishi, T. Sakamoto and A. Chiba
IEICE Trans. Electronics   E92-C(No. 7) 915-921   Jul 2009   [Refereed]
Tetsuya Kawanishi,Takahide Sakamoto,Akito Chiba
IEICE Transactions   92-C(7) 915-921   Jul 2009   [Refereed]
Chiba A, Sakamoto T, Kawanishi T
Optics express   16(26) 21647-21655   Dec 2008   [Refereed]
T. Kawanishi, T. Sakamoto, A. Chiba, M. Izutsu, K. Higuma, J. Ichikawa, T. Lee and V. Filsinger
Proc. OFC/NFOEC 2008   2008(1) 1-3   Mar 2008   [Refereed]
T. Sakamoto, A. Chiba and T. Kawanishi
Proc. ECOC2008   2008(1) Tu.1.E.3, pp. 1-2   Sep 2008   [Refereed]
T. Kawanishi, T. Sakamoto, A. Chiba, M. Izutsu and P.J. Winzer
Proc. OFC/NFOEC 2008   2008(1) 1-3   Mar 2008   [Refereed]
A. Chiba, T. Kawanishi, T. Sakamoto, K. Higuma and M. Izutsu
IEEE Photonics Technology Letters   Vol. 20(No. 10) 872-874   Oct 2008   [Refereed]
Akito Chiba,Takahide Sakamoto,Tetsuya Kawanishi,Masayuki Izutsu
IEICE Electronic Express   5(14) 497-502   Jul 2008   [Refereed]
T. Sakamoto, A. Chiba, T. Kawanishi and M. Izutsu
Proc. OFC/NFOEC 2007   2007(1) 1-3   Mar 2007   [Refereed]
T. Kawanishi, T. Sakamoto, A. Chiba and M. Izutsu
Proc. ECOC2007   2007(1) 6.2.3, pp. 1-2   Sep 2007   [Refereed]
T. Kawanishi, T. Sakamoto, A. Chiba and M. Izutsu
Proc. CLEO/IQEC 2007   2007(1) 1-3   May 2007   [Refereed]

Conference Activities & Talks

 
Sextupled frequency-spacing optical two-tone signals using selective polarization-rotation by a negative-index modulation (INVITED)
A. Chiba, Y. Akamatsu and K. Takada
2018 International Conference on Sensor Networks and Signal Processing (SNSP 2018)   28 Oct 2018   
Generation of wide frequency-spacing optical two-tone signal utilizing polarization and optical phase shift induced by RF phase (Invited)
A. Chiba, Y. Akamatsu and K. Takada
Progress In Electromagnetics Research Symposium 2018   3 Aug 2018   
Optical two-tone signal generation based on bidirectional optical modulation in one polarization mode of polarization-maintaining Sagnac interferometer (Invited)
A. Chiba
International Conference on Mechanical, Electrical and Medical Intelligent System 2017   30 Nov 2017   
Advances and Challenges in vector modulation technologies (invited)
SPIE Photonics WEST2009, 7234-11   2009   
High-bit-rate optical QAM (invited)
OFC/NFOEC 2009, OWG5   2009   
High-speed and Precise Lightwave Modulation for Millimeter- or Micro-wave Generation (invited)
Progress In Electromagnetics Research Symposium (PIERS) 2009, 1P1-4   2009   
Precise and High-Speed Lightwave Control for Huge-Capacity Transmission and Advanced Optical Signal Processing (Invited)
11th International Conference on Transparent Optical Networks (ICTON) 2009, No. We.A2.1   2009   
High-Speed and Precise Lightwave Modulation Technologies (invited)
The 14th Opto-Electronics and Communications Conference (OECC2009), No. ThQ1   2009   
Reports on OFC/OFOEC 2007
2007   
Advanced LiNbO3 modulation (Invited)
CLEO/IQEC 2007, CMH1   2007   
Proposal of RF phase measurement utilizing two-electrodes optical phase modulator and low-speed photodiode
International Conference on Mechanical, Electrical and Medical Intelligent System 2017   2017   
Phase measurement of high-frequency RF signal using optical phase modulation and frequency down conversion by photo mixing
The 24th Congress of the International Commission for Optics (ICO-24),   2017   
Generation of wide frequency-spacing optical frequency comb composed of odd/even multiple harmonics
The 22nd OptoElectronics and Communications Conference (OECC 2017)   2017   
Even/Odd Mode-Selective Double Frequency-Spaced Optical Comb Generation By Quad-Parallel Phase Modulator
The 22nd OptoElectronics and Communications Conference (OECC 2017)   2017   
RF Frequency Sextupling Utilizing a Single Mach-Zehnder Optical Modulator possessing external-load RF terminals
CLEO:2016   2016   
Wavelength-independent optical two-tone signal generator composed of one single Mach-Zehnder optical modulator and a polarizer
2016 IEEE Photonics Conference   2016   
Adjustment of optical path-length difference of nested Mach-Zehnder structure utilizing optical phase shift in waveguide junction
CLEO/IQEC 2014   2014   
Evaluation of Crosstalk in optical cross-bar switch driven by high-frequency signal
2014 International topical meeting on Microwave photonics   2014   
Evaluation of high-frequency region crosstalk in interferometric-type optical switch and its suppression using optical-intensity trimmer structures
IEICE-OPE Workshop   2014   
Luminescence Enhancement in an amorphous Silicon Nitride film by Cerium ion Implantation
4th International Workshop on Photoluminescence in Rare Earths: Photonic Materials and Devices   2012   
16 QAM Generation by Angular Superposition of Polarization Using Polarization-Multiplexing QPSK Modulator
IEICE OPE Workshop   2011   
Nonlinear Distortion of 16QAM Constellations in Intradyne Coherent Receiver
CLEO/Europe-EQEC 2011, CI.P.5   2011   
160-Gb/s Optical DQPSK Signal Generation Using a Thin-LiNbO3-Substrate Modulator with a Ridge-Type Optical Waveguide Structure
CLEO/IQEC 2010, CFL7   2010   
16-level Optical Quadrature Amplitude Modulation using Monolithic Quad-Parallel Mach-Zehnder Optical Modulator and Signal Transmission over 75-km Single-Mode Fiber
CLEO/IQEC 2010, CThC1   2010   
160 Gb/s full-ETDM NRZ-DQPSK modulation by a broadband optical IQ modulator
IEICE-OPE Workshop   2010   
Electro-optic synthesis of high-speed optical multilevel signals
IEICE-OPE Workshop   2010   
Monolithically integrated Quad Mach-Zehnder IQ Modulator for Optical 16-QAM Generation (Postdeadline Paper)
CLEO/IQEC 2010, CPDA7   2010   
360-Gb/s NRZ-DP-DQPSK Modulation with Full-ETDM Technique
The 15th OptoElectronics and Communications Conference (OECC2010), 8B2-2   2010   
40Gb/s DP-NRZ-QPSK Signal Generation Using a Dual-Polarization Quad-Parallel Mach-Zehnder Modulator
The 15th OptoElectronics and Communications Conference (OECC2010), 8B2-3   2010   
16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator
The 15th OptoElectronics and Communications Conference (OECC2010), 8B1-3   2010   
Monolithically Integrated Quad Mach-Zehnder IQ Modulator for Generation of Advanced Optical Modulation Formats (invited)
9th international conference on optical communications and networks   2010   
Optical signal wavelength swapping based on optical sideband generation in interferometric-type optical switch with intensity trimmers
IEICE-OPE Workshop   2009   
Frequency Swapping Using an Optical Switch with Embedded Mach-Zehnder Structures for Wavelength-Converted Optical Signal Routing Without Lightsources
CLEO/IQEC 2009, CMJJ5   2009   
Effect of histogram resolution on demodulation of optical quadrature amplitude modulation signal by adaptive threshold adjustment
CLEO/Europe-EQEC 2009, CI1.5   2009   
Electro-Optic Synthesis of Multi-Level Coherent Signals (invited)
The 14th Opto-Electronics and Communications (OECC2009), ThP5   2009   
Generation of Optical MSK Using a Monolithically Integrated Quad Mach-Zehnder IQ Modulator
The 14th Opto-Electronics and Communications Conference (OECC2009), ThQ3   2009   
Pure Intensity Modulated Frequency Doubled Optical Clock Signal Generation by Using Ultra Low-Chirp and High Extinction-Ratio Optical Modulation
The 14th Opto-Electronics and Communications Conference (OECC2009), TuG4   2009   
Discrimination of Distorted Multilevel Optical Signal for Decoding of a High-Speed Optical QAM signal
IEICE-OPE Workshop   2008   
Highly Pure 160-GHz Two-Tone Lightwave Generation using High Extinction-Ratio Optical Intensity Modulator and Delay Interferometer
IEICE-OPE Workshop   2008   
Measurement of Mach-Zehnder interferometer based modulators by using optical spectrum analysis
IEICE-OPE Workshop   2008   
Highly Pure 160-GHz Two-Tone Lightwave Generation using High Extinction-Ratio Optical Intensity Modulator and Delay Interferometer
IEEE-LEOS Annual Meeting, WB2   2008   
Ultra high extinciton-ratio and ultra low chirp optical intensity modulation for pure two-tone lightwave signal generation
CLEO/IQEC 2008, CFA1   2008   
High-speed optical QAM signal generation and quality estimation method
IEICE-OPE Workshop   2007   
Complex digital-to-analog convertor for optical vector modulation
IEICE-OPE Workshop   2007   
Performance Improvement of High-Extinction-Ratio LiNbO3 Optical Intensity Modulator by Means of Polarization Crosstalk Reduction
IEICE-OPE Workshop   2007   
Ultra Wideband Light Source for optical Coherence Tomography Using Optical SSB Frequency Sweep Technique
International Symposium on Contemporary Photonics Technology 2007 (CPT2007), G-25   2007   
Ultra fast optical frequency sweep with an integrated lithium niobate modulator
OECC/IOOC 2007, 13D3-6   2007   
Demonstration of optical quadrature amplitude modulation by using a high-speed optical DQPSK modulator and precise voltage-control technique
12th Optoelectronics and Communications Conference / 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007), 12B3-4   2007   
Agile Wideband Light Source for Optical Coherence Tomography Using Optical SSB Frequency Sweep Technique
IEEE-LEOS Summer Topicals 2007, WB2.4   2007   
High-extinction-ratio (>55dB) port selection by using a high-speed LiNbO3 optical switch with intensity trimmers
IEEE-LEOS Photonics in Switching 2007, TuB1.4   2007   
50-Gb/s 16 QAM by a quad-parallel Mach-Zehnder modulator (Postdeadline Paper)
33th European Conference and Exhibition on Optical Communication (ECOC2007), PD2.6   2007   
Performance improvement of high-extinction-ratio LiNbO3 optical intensity modulator by means of polarization crosstalk reduction
2007 IEEE INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS(MWP2007), B4P-E   2007   
Ultra Wideband Light Source Using 136-Wavelengths SSB Frequency Sweep Technique for Optical Coherence Tomography
2007 IEEE INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS (MWP2007), B4P-F   2007   
Low-Crosstalk LiNbO3 Optical Switch with Embedded Sub Mach-Zehnder Structures
IEEE-LEOS 2006 Annual Meeting, ThF4   2006   
Fano resonance in transmission spectra of a tapered optical fiber coupled with a microsphere
SPIE Photonics West, LASE 2006 (lasers and applications in science and engineering), 6101A-73   2006   
Quantum phase gate using single atom nonlinearity
17th International Conference on Laser Spectroscopy, No.M90   2005   
Change of asymmetric lineshape in transmission spectra of a tapered fiber coupled with a microspherical cavity
International Conference on Quantum Electronics 2005 / the Pacific Rim Conference on Lasers and Electro-Optics 2005 (IQEC/CLEO-PR 2005), CWAB3-P68   2005   
A microspherical cavity coupled with a tapered fiber - Nano optical device for quantum phase gate -
The International Symposium on Quantum Info-Communications and Related Quantum Nanodevices, No. P-18   2004   
Characterization of a microspherical cavity with a stem by observing resonantly scattered far-field incident light
Nonlinear Optics: Materials, Fundamentals, and Applications, WD19   2004   
Manipulation of optical coupling to whispering-gallery mode of microspherical cavity
8th International Conference on Optics Within Life Science (OWLS 8), pp.70-71   2004   
Fine frequency tuning of a microspherical cavity by temperature control
Conference on Lasers and Electro-Optics /Europe (CLEO/Europe 2003), CM3M   2003   
Scattering analysis of a microsphere at the tip of an optical fiber
The XXIst International Conference on Photochemistry (ICP21), pp.226-227   2003   
High-speed DBPSK signal generation by low-V_pi modulator using thin LiNbO3 substrate
A. Kanno, T. Sakamoto, A. Chiba, T. Kawanishi, K. Higuma, M. Sudou and J. Ichikawa
European Conference on Optical Communication 2009, No. P2.09   Sep 2009   
High-Speed and Precise Lightwave Modulation Technologies (invited)
T. Kawanishi, T. Sakamoto and A. Chiba
The 14th Opto-Electronics and Communications Conference (OECC2009), No. ThQ1   Jul 2009   
Precise and High-Speed Lightwave Control for Huge-Capacity Transmission and Advanced Optical Signal Processing (Invited)
T. Kawanishi, T. Sakamoto and A. Chiba
11th International Conference on Transparent Optical Networks (ICTON) 2009, No. We.A2.1   Jun 2009   
High-speed and Precise Lightwave Modulation for Millimeter- or Micro-wave Generation (invited)
T. Kawanishi, T. Sakamoto, A. Chiba, D. Nanbu, H. Toda, H. Murata and A. Enokihara
Progress In Electromagnetics Research Symposium (PIERS) 2009, 1P1-4   Mar 2009   
Analysis of crosstalk impact on optical packet signals in an optical cross-bar switch by intensity-trimming method
A. Chiba, T. Kawanishi, T. Sakamoto, K. Higuma and M. Izutsu
OFC/NFOEC 2009, JWA19   Mar 2009   
Guard-time-free port selection by a LiNbO3 optical switch embedded intensity trimmers for optical packet switching
A. Chiba, T. Kawanishi, T. Sakamoto, K. Higuma and M. Izutsu
OFC/NFOEC 2009, JThA35   Mar 2009   
High-bit-rate optical QAM (invited)
T. Sakamoto, A. Chiba, and T. Kawanishi
OFC/NFOEC 2009, OWG5   Mar 2009   
Electro-optic synthesis of 8PSK by quad-parallel Mach-Zehnder modulator
T. Sakamoto, A. Chiba and T. Kawanishi
OFC/NFOEC 2009, OTuG4   Mar 2009   
Phase Division Analysis for Intradyne Coherent Detection in Nonlinear Regime
T. Sakamoto, A. Chiba and T. Kawanishi
OFC/NFOEC 2011, JWA19   Mar 2011   
95-Gb/s NRZ-DPSK Modulation with Full-ETDM Technique
A. Kanno, T. Sakamoto, A. Chiba, T. Kawanishi, M. Sudo, K. Higuma and J. Ichikawa
36th European Conference and Exhibition on Optical Communication (ECOC 2010), Mo.2.F.5   Sep 2010   
Real-Time Homodyne Reception of 40-Gb/s BPSK Signal by Digital Optical Phase-Locked Loop
T. Sakamoto, A. Chiba, A. Kanno, I. Morohashi and T. Kawanishi
36th European Conference and Exhibition on Optical Communication (ECOC 2010), P3.12   Sep 2010   
16 QAM Synthesis by Angular Superposition of Polarization using Dual-Polarization QPSK Modulator
I. Morohashi, M. Sudo, T. Sakamoto, A. Kanno, A. Chiba, J. Ichikawa and T. Kawanishi
36th European Conference and Exhibition on Optical Communication (ECOC 2010), P3.14   Sep 2010   
16-QAM Transmitter using Monolithically Integrated Quad Mach-Zehnder IQ Modulator
G.-W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi, T. Miyazaki, K. Higuma, M. Sudo, and J. Ichikawa
36th European Conference and Exhibition on Optical Communication (ECOC 2010), Mo.1.F.3   Sep 2010   

Research Grants & Projects

 
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