Ultrafast coherent optical oscilloscope for multidimensional analysis

2012 Fiscal Year Final Research Report

• Project/Area Number: 22686039
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Single-year Grants
• Research Field: Measurement engineering
• Research Institution: National Institute of Information and Communications Technology
• Principal Investigator: SAKAMOTO Takahide 独立行政法人情報通信研究機構, 光通信基盤研究室, 主任研究員 (70392727)
• Project Period (FY): 2010 – 2012
• Keywords: 計測機器 / 光通信

Research Abstract

In this research, new technologies related ultrafast multidimensional coherent oscilloscope have been proposed and demonstrated. It has been proved that we can measure and characterize ultrafast optical signals at high resolution without relying on all-optical signal processing.

Research Products

• [Journal Article] Generation of Millimeter Waves with Fine Frequency Tunability Using Mach-Zehnder-Modulator-Based Flat Comb Generator (2013)
  • Author(s): I. Morohashi, Y. Irimajiri, T. Sakamoto, T. Kawanishi, M. Yasui, I. Hosako
  • Journal Title: IEICE TRANSACTIONS on Electronics Volume: vol. E96-C, No.2 Pages: 192-196
  • Peer Reviewed
• [Journal Article] Flexible high-order QAM transmitter using tandem IQ modulators for generating 16//32/64-QAM with balanced complexity in electronics and optics (2013)
  • Author(s): G.W. Lu, T. Sakamoto, and T. Kawanishi
  • Journal Title: OSA Optics Express Volume: vol. 21, no. 5 Pages: 6213-6223
  • Peer Reviewed
• [Journal Article] Synthesis of 16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator (2011)
  • Author(s): I. Morohashi, T. Sakamoto, M. Sudo, A. Kanno, A. Chiba, J. Ichikawa, and T. Kawanishi
  • Journal Title: IEICE TRANSACTIONS on Communications Volume: vol. E94-B, no. 7 Pages: 1809-1814
  • Peer Reviewed
• [Journal Article] Coherent Synthesis of Optical Multilevel Signals by Electrooptic Digital-to-Analog Conversion Using Multiparallel Modulator (invited paper) (2010)
  • Author(s): T. Sakamoto, and A. Chiba
  • Journal Title: IEEE J. Selected Topics in Quantum Electron Volume: vol. 16, no. 5 Pages: 1140-1149
  • Peer Reviewed
• [Journal Article] Multi-tone coherent matched detection for demultiplexing of superchannels
  • Author(s): T. Sakamoto, G.W. Lu, and T. Kawanishi
  • Journal Title: OSA Optics. Express Volume: accepted
  • Peer Reviewed
• [Presentation] Optimization of Discrimination Filters for Orthorgonal Time-Frequency Domain Multiplexing (2013)
  • Author(s): T. Sakamoto, R.P. Scott, and S.J.B. Yoo
  • Organizer: The 18th OptoElectronics and Communications Conference (OECC2013)OECC2013)
  • Place of Presentation: Kyoto International Conference Center, Kyoto, Japan(MR1-7)
  • Year and Date: 2013-07-04
• [Presentation] Traceback Equalization against Modulation Non-uniformity in QAM Transmitters (2013)
  • Author(s): T. Sakamoto, G.W. Lu, T. Kawanishi
  • Organizer: The 18th OptoElectronics and Communications Conference (OECC2013)
  • Place of Presentation: Kyoto International Conference Center, Kyoto, Japan(MR1-5)
  • Year and Date: 2013-07-04
• [Presentation] Improved Phase Matching by Paired-Fiber Coherent Matched Detection for Time-Frequency Domain Demultiplexing (2013)
  • Author(s): T. Sakamoto, R.P. Scott, And S.J.B. Yoo
  • Organizer: Conference on Laser and Electro Optics (CLEO2013)
  • Place of Presentation: San Jose Convention Center, San Jose, USA, (CF1F4)
  • Year and Date: 2013-06-09
• [Presentation] Traceback Equalization for Non-Uniformly Synthesized Optical QAM Signals (2013)
  • Author(s): T. Sakamoto, G.-W. Lu, T. Kawanishi
  • Organizer: The European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/Europe-IQEC 2013)
  • Place of Presentation: ICM Centre of the New Munich Trade Fair Centre, Munich, Germany(CI-1.4)
  • Year and Date: 2013-05-12
• [Presentation] Filter-less "Multi-Tone Coherent Orthogonal Detection for Multi-Channel Reception of Super-Channel/OFDM Signals (2013)
  • Author(s): T. Sakamoto, G.-W. Lu, T. Kawanishi
  • Organizer: the 2013 Optical Fiber Communication Conference (OFC2013)
  • Place of Presentation: Anaheim Convention Center, Anaheim, USA(JTh2A.47)
  • Year and Date: 2013-03-09
• [Presentation] Optical 64QAM Transmitter Using Tandem IQ Tandem Modulators with Balanced Complexity in Electronics and Optics (2013)
  • Author(s): G.-W. Lu, T. Sakamoto, T. Kawanishi
  • Organizer: the 2013 Optical Fiber Communication Conference (OFC2013)
  • Place of Presentation: Anaheim Convention Center, Anaheim, USA(JTh2A.47)
  • Year and Date: 2013-03-09
• [Presentation] Optical Multicarrier Source for Orthogonal Time/Frequency Division Multiplexing (2012)
  • Author(s): T. Sakamoto
  • Organizer: The 16th OptoElectronics and Communications Conference (OECC2012)
  • Place of Presentation: BEXCO,Busan, Korea(P-1-19)
  • Year and Date: 2012-07-02
• [Presentation] Experiment Investigation of Nonlinear Distortion in QAM Constellation due to Imbalance in Intradyne Coherent Receiver (2012)
  • Author(s): G.W. Lu, T. Sakamoto, A. Chiba, T. Kawanishi
  • Organizer: The 16th OptoElectronics and Communications Conference (OECC2012)
  • Place of Presentation: BEXCO,Busan, Korea(P-1-17)
  • Year and Date: 2012-07-02
• [Presentation] Coherent Matched Detection with Multi-Input-Multi-Output Equalization for Demultiplexing/Demodulation of Orthogonally Time/Frequency Domain Multiplexed Signal (2012)
  • Author(s): T. Sakamoto
  • Organizer: Conference on Laser and Electro Optics (CLEO2012)
  • Place of Presentation: San Jose Convention Center, San Jose, USA, (CF1F4)
  • Year and Date: 2012-05-06
• [Presentation] Investigation of Linewidth of Comb Modes in MZM-Based Flat Comb Generator with Optical Feedback Loop (2012)
  • Author(s): I. Morohashi, T. Sakamoto, N. Yamamoto, Y. Ogawa, T. Kawanishi, and I. Hosako
  • Organizer: Conference on Laser and Electro Optics (CLEO2012)
  • Place of Presentation: San Jose Convention Center, San Jose, USA, (CTh2A.53)
  • Year and Date: 2012-05-06
• [Presentation] High Peak Power Pulse Generation Using Mach-Zehnder-Modulator-Based Flat Comb Generator Combined with Chirped Pulse Amplifier (2012)
  • Author(s): I. Morohashi, M. Oikawa, Y. Tamura, S. Aoki, T. Sakamoto, T. Kawanishi, and I. Hosako
  • Organizer: Conference on Laser and Electro Optics (CLEO2012)
  • Place of Presentation: San Jose Convention Center, San Jose, USA, (CF1N.7)
  • Year and Date: 2012-05-06
• [Presentation] Coherent reception of 80 GBd QPSK using integrated spectral slice optical arbitrary waveform measurement (2012)
  • Author(s): N.K. Fontaine, T. Sakamoto, D.J. Geisler, R.P. Scott, B. Guan and S. J. B. Yoo
  • Organizer: Conference on Laser and Electro Optics (CLEO2012), San Jose Convention Center
  • Place of Presentation: San Jose, USA
  • Year and Date: 2012-05-06
• [Presentation] Optical Comb and Pulse Generation from CW Lightwave (invited) (2011)
  • Author(s): T. Sakamoto
  • Organizer: Microwave Photonics (MWP 2011)
  • Place of Presentation: Furama RiverFront, Singapore
  • Year and Date: 2011-10-18
• [Presentation] 160-Gb/s Orthogonal Time-Frequency Domain Multiplexed QPSK for Ultra-High-Spectral-Efficient Transmission (2011)
  • Author(s): T. Sakamoto
  • Organizer: 37th European Conference on Optical Communication (ECOC2011)
  • Place of Presentation: Geneva Palexpo, Geneva, Switzerland
  • Year and Date: 2011-09-19
• [Presentation] Nonlinear Distortion of 16QAM Constellations in Intradyne Coherent Receiver (2011)
  • Author(s): T. Sakamoto
  • Organizer: Conference on Laser and Electro Optics-European Quantum Electronics Conference (CLEO/Europe-EQEC 2011)
  • Place of Presentation: ICM Center of the New Munich Trade Fair Centre, Munich, Germany
  • Year and Date: 2011-05-22
• [Presentation] Optical Comb and Pulse Generation from CW light (tutorial) (2011)
  • Author(s): T. Sakamoto
  • Organizer: Conference on Laser and Electro Optics (CLEO2011), , Baltimore Convention Center
  • Place of Presentation: Baltimore, USA
  • Year and Date: 2011-05-08
• [Presentation] Phase Division Analysis for Intradyne Coherent Detection in Nonlinear Regime (2011)
  • Author(s): T. Sakamoto, A. Chiba, T. Kawanishi
  • Organizer: the 2011 Optical Fiber Communication Conference (OFC2011)
  • Place of Presentation: San Diego Convention Center, San Diego, USA(JThA6)
  • Year and Date: 2011-02-13
• [Presentation] Real-Time Homodyne Reception of 40-Gb/s BPSK Signal by Digital Optical Phase-Locked Loop (2010)
  • Author(s): T. Sakamoto, A. Chiba, A. Kanno, I. Morohashi, and T. Kawanishi
  • Organizer: 36th European Conference on Optical Communication (ECOC2010)
  • Place of Presentation: Lingotto Congress Centre, Turin, Italy(P3.12)
  • Year and Date: 2010-09-19
• [Presentation] Digital Optical Costas Loop for Coherent Demodulation of 10-Gb/s BPSK (2010)
  • Author(s): T. Sakamoto, A. Chiba, A. Kanno, and T. Kawanishi
  • Organizer: The 15th OptoElectronics and Communications Conference (OECC2010)
  • Place of Presentation: Sapporo Convention Center, Sapporo, Japan(9B3-10)
  • Year and Date: 2010-07-05
• [Presentation] Time-Frequency Domain Signaling/Multiplexing for Optical Filter-less Networking (invited)
  • Author(s): T. Sakamoto
  • Organizer: OSA Topical Meeting
  • Place of Presentation: Rio Mar Beech Resort, Puerto Rico, USA. (accepted)