Faculty Database - RYU SHIRO

Books and Papers

Conference Presentations

Academic Qualifications

Career History

Major Subjects

Academic Associations Membership

Research Topics, Consignment Studies & KAKENHI Researches

Web Sites

Award History

Current Specialized Field

（Last updated : 2024-11-02 16:36:21）

RYU SHIRO
Department Undergraduate School , School of Interdisciplinary Mathematical Sciences

Position Professor

■ Books and Papers

1.	2024/09	Book	Optical delay interferometer system for the measurement of optical phase noise and polarization fluctuation ECOC 2024 paper W2A.106 (Single)
2.	2024/08	Book	Phase noise measurement with delay interferometer during fast polarization fluctuation CLEO-PR 2024 (16th Pacific Rim Conference on Lasers and Electro-Optics) paper Tu1E-4 (Single)
3.	2023/07	Book	Carrier-phase estimation techniques for MIMO optical wireless communication systems OECC 2023 (Collaboration)
4.	2023/05	Article	Continuous time-domain measurement method of Rayleigh backscattered light with coherent detection IEEE Photonics Technology Letters 35(9),pp.497-500 (Single)
5.	2023/05	Article	Optical phase noise and polarization fluctuation measurement with delay interferometer CLEO2023 (Single)
6.	2022/07	Article	A Study on the application of MIMO technology in optical wireless communications pp.515-516 (Collaboration)
7.	2021/05	Book	Dynamic measurement of fiber-birefringence spatial distribution by coherent heterodyne detection of Rayleigh backscattered light CLEO2021 (Collaboration)
8.	2020/08	Book	Rapid measurement of spatial distribution of birefringence in optical fibers by coherent heterodyne detection of Rayleigh backscattered light CLEO Pacific Rim 2020 Concurrent 10F (Collaboration)
9.	2020/06	Article	Application of angle diversity technique to optical wireless communication systems for smartphones Acta Materialia Turcica 4(1) (Single)
10.	2020/05	Book	Novel measurement method of fiber-birefringence spatial distribution by coherent heterodyne detection of Rayleigh backscattered light CLEO2020 (Collaboration)
11.	2019/11	Book	Novel optical time/frequency domain reflectometry capable of continuous time-domain measurement of Rayleigh backscattered light Interphotonics 2019 (Single)
12.	2019/07	Book	Novel optical time domain reflectometry with continuous time-domain measurement of backscattered light OECC/PSC 2019 pp.WP4-C4 (Collaboration)
13.	2019/03	Article	Investigation of optical phase characteristics of Stokes and transmitted light in fiber Brillouin scattering OFC2019 M4C.1 (Collaboration)
14.	2018/10	Article	Application of angle diversity technique to optical wireless communication systems for smartphones Interphotonics 2018 (Single)
15.	2018/10	Article	Simultaneous dual data stream transmission using RGB and phosphor-based white LEDs ACP2018 M3D.6 (Collaboration)
16.	2018/10	Article	Study on angle diversity receiving system for visible light communications ACP2018 S4D.6 (Collaboration)
17.	2017/08	Article	Study on diversity receiving techniques in optical wireless communication system 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (Single)
18.	2012/03	Article	Wavelength unbundling in existing GE-PON OFC/NFOEC 2012 NTu2F.2 (Single)
19.	2010/08	Book	High Spectral Density Optical Communication Technologies pp.215-225 (Collaboration)
20.	2010/07	Article	Macrobending indicator for evaluation of fiber macrobending and splice loss OECC2010 7P-34 (Collaboration)
21.	2009/07	Article	Second-order PMD compensation by all-optical regenerator based on optical parametric amplification OECC2009 ThQ4 (Collaboration)
22.	2009/03	Article	Simultaneous PMD mitigation by optically clocked reshaper for two-channel 80-Gbit/s RZ-DQPSK signals OFC/NFOEC 2009 JThA62 (Collaboration)
23.	2008/02	Article	Field trial of 160-Gbit/s, polarization-division multiplexed RZ-DQPSK transmission system using automatic polarization control OFC/NFOEC 2008 OThT7 (Collaboration)
24.	2007/03	Article	All-optical 2R-regenerative interconnection node for DPSK polarization-division multiplexed systems OFC/NFOEC 2007 OThR3 (Collaboration)
25.	2006/09	Article	All-optical wavelength-path service with quality assurance by multilayer integration system IEEE Journal of Lightwave Technology 24(9),pp.3376-3383 (Collaboration)
26.	2006/09	Article	Measurement of fibre nonlinearity coefficient with coherent heterodyne detection technique ECOC2006 We3.P.2 (Single)
27.	2005/09	Article	Field trial of optical 3R regenerator over installed cable ECOC2005 Th3.5.4 (Collaboration)
28.	2005/05	Article	Field Trial of All-Optical 2R Regeneration in 40-Gbit/s WDM Transmission Systems with Optical Add/Drop Multiplexing IEICE Trans. Comm. E88-B(5),pp.1934-1946 (Collaboration)
29.	2005/04	Article	Field trial of GMPLS triple plane integration for 40 Gbit/s dynamically reconfigurable wavelength path network Electronics Letters 41(8),pp.492-494 (Collaboration)
30.	2005/03	Article	Field test of GMPLS all-optical path rerouting IEEE Photonics Technology Letters 17(3),pp.723-725 (Collaboration)
31.	2005/03	Article	Field trial of 40-Gbit/s wavelength path quality assurance using GMPLS-controlled all-optical 2R regenerator OFC2005 OThP3 (Collaboration)
32.	2005/01	Article	Field trial of automatic chromatic dispersion compensation for 40-Gb/s-based wavelength path protection IEEE Photonics Technology Letters 17(1),pp.229-231 (Collaboration)
33.	2004/09	Article	Field trial of GMPLS multilayer integration for dynamic 40-Gbit/s wavelength path switching (postdeadline paper) Th4.5.1 (Collaboration)
34.	2004/07	Article	Field trial of all-optical 2R regeneration in 40-Gbit/s WDM transmission systems with optical add/drop multiplexing OECC/COIN2004 13B1-1 (Collaboration)
35.	2004/02	Article	Field test of GMPLS all-optical path rerouting (postdeadline paper) OFC2004 PDP2 (Collaboration)
36.	2004/02	Article	Field trial of GMPLS-based 40-Gbit/s wavelength path protection by photonic crossconnect with automatic chromatic dispersion compensation OFC 2004 WH3 (Collaboration)
37.	2003/10	Article	Application of automatic chromatic dispersion compensation for realization of all-optical network OECC'2003 15D4-4,pp.579-580 (Collaboration)
38.	2003/09	Article	Rapid automatic chromatic dispersion compensation using GMPLS signaling enhancement for dynamically reconfigurable all-optical network ECOC-IOOC 2003 Mo4.7.6 (Collaboration)
39.	2003/03	Article	Prototype demonstration of on-demand/ scheduled wavelength path service OFC 2003 pp.555-557 (Collaboration)
40.	2001/11	Article	Transmission performance improvement in differential phase-shift keying wavelength-division multiplexed transmission systems using all-optical 2R repeaters The 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2001 (LEOS 2001) 2,pp.677-678 (Collaboration)
41.	2000/10	Article	Wavelength-division multiplexing metropolitan area network architecture with a "dual-ring" configuration IEICE Transactions, Special issue on Advanced Internetworking Based on Photonic Network Technologies E83-B(10),pp.2368-2369 (Collaboration)
42.	2000/07	Article	"Dual-ring" network architecture for wavelength-division multiplexing metropolitan area networks OECC'2000 12A3-5 (Collaboration)
43.	1998/07	Article	In-service accurate optical path surveillance method using fiber Bragg grating marker in passive optical networks (postdeadline paper) OECC'98 PD1-7 (Collaboration)
44.	1996/05	Article	2.5 Gbit/s, 8-channel, 1056 km densely spaced coherent WDM transmission experiment Electronics Letters 32(10),pp.907-908 (Collaboration)
45.	1995/08	Article	All-optical 2R repeater for coherent lightwave communication systems Electronics Letters 31(18),pp.1589-1590 (Collaboration)
46.	1995/01	Book	Coherent Lightwave Communication Systems (Single)
47.	1994/09	Article	Eight-wavelength, densely-spaced coherent WDM recirculating-loop experiments at 2.5 Gbit/s over 600 km Electronics Letters 30(19),pp.1613-1614 (Collaboration)
48.	1994/07	Article	2.5 Gbit/s, 4 channel, 1200 km densely spaced coherent WDM recirculating-loop experiments Electronics Letters 30(15),pp.1240-1241 (Single)
49.	1994/07	Article	2.5-Gb/s, 2700-km, coherent CPFSK transmission experiments using dispersion compensation OEC'94 (Optoelectronics Conference) 14C4-5,pp.196-197 (Single)
50.	1994/07	Article	2.5-Gb/s, 8-channel, densely-spaced coherent WDM recirculating-loop experiments over 600 km (postdeadline paper) OEC'94 PDI-2 (Collaboration)
51.	1994/06	Article	Frequency stabilization of FDM optical signals using an electronic counter IEEE Photonics Technology Letters 6(6),pp.744-746 (Collaboration)
52.	1993/07	Article	Elongation of transmission distances by dispersion compensation in coherent in-line amplifier systems OAA'93 (Topical Meeting on Optical Amplifiers and Their Applications) SuC2-1,pp.26-29 (Single)
53.	1993/03	Article	Field demonstration of 195 km long coherent unrepeatered submarine cable system using optical booster amplifier SUBOPTIC'93 (International Conference on Optical Fiber Submarine Telecommunication Systems) 14.15,pp.225-230 (Collaboration)
54.	1992/11	Article	Change of field spectrum of signal light due to fibre nonlinearities and chromatic dispersion in long-haul coherent systems using in-line optical amplifiers Electronics Letters 28(24),pp.2212-2213 (Single)
55.	1992/10	Article	Field demonstration of 195km-long coherent unrepeatered submarine cable system using optical booster amplifier Electronics Letters 28(21),pp.1965-1967 (Collaboration)
56.	1992/10	Article	Signal linewidth broadening due to nonlinear Kerr effect in long-haul coherent systems using cascaded optical amplifiers IEEE Journal of Lightwave Technology 10(10),pp.1450-1457 (Single)
57.	1992/09	Article	Influence of fiber nonlinear effects on transoceanic coherent optical fiber communication systems using in-line optical amplifiers Proceedings of 1992 URSI International Symposium on Signals, Systems, and Electronics (ISSSE'92) pp.553-556 (Collaboration)
58.	1991/08	Article	Signal linewidth broadening due to fibre nonlinearities in long-haul coherent optical fibre communication systems Electronics Letters 27(17),pp.1527-1528 (Single)
59.	1991/07	Article	Use of an optical amplifier in a coherent receiver IEEE Photonics Technology Letters 3(7),pp.663-665 (Collaboration)
60.	1991/05	Article	Polarization diversity techniques for the use of coherent optical fiber submarine cable systems IEEE Journal of Lightwave Technology 9(5),pp.675-682 (Collaboration)
61.	1991/02	Article	Long-haul coherent optical fiber communication systems using optical amplifiers IEEE Journal of Lightwave Technology 9(2),pp.251-260 (Collaboration)
62.	1990/07	Book	Coherent Optical Communications and Photonic Switching pp.85-89 (Collaboration)
63.	1990/07	Article	Realization of gigabit range FSK modulation using a LiNbO₃external-cavity laser module OEC'90 (Third Optoelectronics Conference) 11D2-2 (Single)
64.	1990/06	Article	Over 1000km FSK heterodyne transmission system experiment using erbium-doped optical fiber amplifiers and conventional single-mode fibers IEEE Photonics Technology Letters 2(6),pp.428-430 (Collaboration)
65.	1990/04	Article	Novel coherent heterodyne optical time domain reflectometry for fault localization of optical amplifier submarine cable systems IEEE Photonics Technology Letters 2(4),pp.291-293 (Collaboration)
66.	1989/12	Article	546km, 140Mbit/s FSK coherent transmission experiment through 10 cascaded semiconductor laser amplifiers Electronics Letters 25(25),pp.1682-1683 (Collaboration)
67.	1989/10	Article	Influence of nondegenerate four-wave mixing on coherent transmission system using in-line semiconductor laser amplifiers IEEE Journal of Lightwave Technology 7(10),pp.1525-1529 (Collaboration)
68.	1989/09	Article	Recent developments in coherent transmission systems for application to submarine cable systems Proceedings of the Fourth Tirrenia International Workshop on Digital Communications (Collaboration)
69.	1989/08	Article	Novel chromatic dispersion measurement method over continuous gigahertz tuning range IEEE Journal of Lightwave Technology 7(8),pp.1177-1180 (Collaboration)
70.	1989/07	Article	Pattern independent FSK polarization diversity transmission experiment using a laser module with built-in LiNbO3 waveguide phase modulator as external cavity IOOC'89 (Conference on Integrated Optics and Optical Fiber Communication) 18C2-2 (Collaboration)
71.	1989/02	Article	Influence of nondegenerate four-wave mixing on coherent transmission systems using in-line semiconductor laser amplifiers OFC89 (Optical Fiber Communication Conference) THC4 (Collaboration)
72.	1988/10	Article	Measurement of chromatic dispersion of single-mode optical fiber over continuous GHz tuning range OEC'88 (Second Optoelectronics Conference) 2A2-2 (Collaboration)
73.	1988/05	Article	Dynamic polarization fluctuation characteristics of optical fiber submarine cables under various environmental conditions IEEE Journal of Lightwave Technology 6(5),pp.728-738 (Collaboration)
74.	1988/05	Article	Polarisation fluctuations of optical fibre submarine cable in 6000 m deep sea trial Electronics Letters 24(10),pp.582-583 (Collaboration)
75.	1988/03	Article	First sea trial of FSK heterodyne optical transmission system using polarisation diversity Electronics Letters 24(7),pp.399-400 (Collaboration)
76.	1987/12	Article	Polarisation-insensitive operation of coherent FSK transmission system using polarisation diversity Electronics Letters 23(25),pp.1382-1384 (Collaboration)
77.	1987/08	Article	Dynamic polarization fluctuation characteristics of a single-mode optical fiber cable during cable installation COCT'87 (Conference on Optical Communication Theory) pp.70-73 (Collaboration)
78.	1986/09	Article	Measurement of direct frequency modulation characteristics of DFB-LD by delayed self-homodyne technique Electronics Letters 22(20),pp.1052-1054 (Collaboration)
79.	1983/06	Article	Polarization-diversity receiver for heterodyne/coherent optical fiber communications IOOC'83 (International Conference on Integrated Optics and Optical Fiber Communication) 30C3-2 (Collaboration)
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■ Conference Presentations

1.	2024/10/21	[Plenary講演] History of coherent optical communication system technology–implications for young researchers from research and development experience (3rd International Conference and Expo on Lasers, Optics & Photonics)
2.	2024/03/07	Measurement of optical phase noise using differential phase
3.	2023/03/27	Optical time domain reflectometry for continuous time-domain measurement of Rayleigh backscattered light (Optics-Laser 2023)
4.	2017/11/23	Study on Two-Dimensional Signal-to-Noise Ratio Distribution in Optical Wireless Communications
5.	2017/09/11	A Study on Angle Diversity Reception Method for Visible Light Communications
6.	2003/10	[Invited] Recent progress on next generation photonic network research for realization of value-added telecommunication services (Photonic Network: Flexible Systems, Key Devices and Monitoring Technologies Workshop, OFS-16 (16th International Conference on Optical Fiber Sensors))
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■ Academic Qualifications

1.	1993/03/18 Degree Acquisition	The University of Tokyo,
2.	1981/04～1983/03	〔Master Course〕, Graduate School, Division of Engineering, The University of Tokyo, Completed,
3.	1977/04～1981/03	Faculty of Engineering, The University of Tokyo, Graduated,

■ Career History

2016/04～

Professor

■ Academic Associations Membership

1.	1982/05～	IEEE
2.	2014/01～2014/12	∟ Photonics Society Japan Chapter Vice Chair
3.	2015/01～2015/12	∟ Photonics Society Japan Chapter Chair
4.	2019/01～2020/12	∟ 東京支部　Nominations Committee Vice Chair
5.	2021/01～2022/12	∟ 東京支部 Nominations Committee Chair

■ Research Topics, Consignment Studies & KAKENHI Researches

2019/04～2022/03

Research on continuous measurement of optical fiber backscattered light (Key Word : )

■ Web Sites

Ryu Laboratory, Meiji University

■ Award History

1988/10

Second Optoelectronics Conference (OEC'88) Best Paper Award

■ Current Specialized Field

Communication and network engineering, Measurement engineering (Key Word：communication engineering, optical communication, engineering communication network, optical communication network, optical measurement technology)