Publications since April 2016
(Ryu Lab has started research on April 2016.)
Previous publicaions of Shiro Ryu can be found here.
Academic Journal Optical wireless communication technology 1. S. Ryu, "Application of angle diversity technique to optical wireless
communication systems for smartphones," Acta Materialia Turcica, Vol.
4, No. 1, pp. 1-8, June 2020.
International Conference Optical wireless communication technology
1. J. Kishi and S. Ryu, "Study on angle diversity receiving system
for visible light communications," ACP2018, paper S4D.6, Hangzhou,
China, October 2018.
2. H. Ando and S. Ryu, "Simultaneous dual data stream transmission
using RGB and phosphor-based white LEDs," ACP2018, paper M3D.6, Hangzhou,
China, October 2018. 3. S. Ryu, "(Invited talk) Application of angle diversity technique
to optical wireless communication systems for smartphones," Interphotonics
2018, Antalya, Turkey, October 2018.
4. S. Ryu, "Study on diversity receiving techniques in optical wireless
communication systems," 2017 Conference on Lasers and Electro-Optics
Pacific Rim (CLEO-PR), P4-008, 2017.
Optical measurement technology using coherent heterodyne detection and
digital signal processing 1. N. Takei and S. Ryu, "Rapid measurement of spatial distribution
of birefringence in optical fibers by coherent heterodyne detection of
Rayleigh backscattered light," CLEO Pacific Rim 2020, Concurrent 10F,
August 2020. 2. N. Takei and S. Ryu, "Novel measurement method of fiber-birefringence
spatial distribution by coherent heterodyne detection of Rayleigh backscattered
light," CLEO 2020, paper SF3P.3, May 2020. 3. S. Ryu, "(Invited talk) Novel optical time/frequency domain reflectometry
capable of continuous time-domain measurement of Rayleigh backscattered
light," Interphotonics 2019, Antalya, Turkey, November 2019. 4. S. Ryu, T. Tsuboya, H. Murata, and D. Fukushima, "Novel optical
time domain reflectometry with continuous time-domain measurement of backscattered
light, OECC/PSC 2019, paper WP4-C4, Fukuoka, Japan, July 2019. 5. S. Nozawa and S. Ryu, "Investigation of optical phase characteristics
of Stokes and transmitted light in fiber Brillouin scattering," OFC2019,
paper M4C.1, San Diego, CA, March 2019.
Technical Committee Meeting
Optical wireless communication technology
1. S. Ryu, "Study on two-dimensional signal-to-noise ratio distribution
in optical wireless communications (in Japanese)," Technical Committee
on Optical Communicatin Systems, IEICE, OCS2017-63, Osaka, November 2017.
Optical measurement technology using coherent heterodyne detection and digital signal processing 1. T. Tsuboya and S. Ryu, "Optical time/frequency domain reflectometry
for continuous time-domain measurement of Rayleigh backscattered light,"
Technical Committee on Optical Fiber Technologies (in Japanese), IEICE,
OFT2020-35, October 2020. 2. S. Nozawa and S. Ryu, "Theoretical study of fiber Brillouin scattering
using FDTD method," Technical Committee on Optical Fiber Technologies
(in Japanese), IEICE, OFT2020-26, October 2020. 3. N. Takei and S. Ryu, "Measurement of spatial distribution of fiber
birefringence by coherent heterodyne detection of Rayleigth backscattered
light," Technical Committee on Optical Fiber Technologies (in Japanese),
IEICE, OFT2020-25, October 2020. 4. Nozawa and S. Ryu, "Study of optical phase characteristics of Stokes
and transmitted light in fiber Brillouin scattering," Technical Committee
on Optical Fiber Technologies (in Japanese), IEICE, OFT2019-28, Kushiro,
August 2019.
SDN technology 1. J. Tomaki and S. Ryu, "Dynamic rerouting experiments by cooperation
of SDN and optical wireless communication," Technical Committee on
Optical Communicatin Systems (in Japanese)," OCS2019-25, Kushiro,
August 2019.
Nanional Convention
Optical wireless communication technology 1. J. Kishi and S. Ryu, "A study on angle diversity optical receiver
for visible light communications (in Japanese)," IEICE Convention
Record, B-10-21, March 2020.
2. K. Nagase and S. Ryu, "A study on diversity receiving system for
visible light communications (in Japanese)," IEICE Convention Record,
B-10-20, March 2020.
3. H. Ando and S. Ryu, "A study on simultaneous dual data stream transmission
using OFDM modulation (in Japanese)," IEICE Convention Record, B-10-13,
Tokyo, March 2019.
4. J. Kishi and S. Ryu, "A study on angle diversity system for visible
light communications (in Japanise)," IEICE Convention Record, B-10-14,
Tokyo, March 2019. 5. J. Kishi and S. Ryu, "A study on angle diversity reception method
for visible light communications (in Japanise)," IEICE Convention
Record, B-10-23, Kanazawa, September 2018.
6. J. Tomaki, S. Shinoda, and S. Ryu, "Optical receiver for optical
wireless communication using LED as light receiving device (in Japanese),"
IEICE Convention Record, B-10-24, Kanazawa, September 2018.
7. H. Ando and S. Ryu, "A study on simultaneous dual data stream transmission
using RGB LED (in Japanese)," IEICE Convention Record, B-10-25, Kanazawa,
September 2018.
8. S. Shinoda, H. Ando, and S. Ryu, "Ethernet data transmission experiment
using optical wireless communication (in Japanese)," IEICE Convention
Record, B-10-26, Kanazawa, September 2018. 9. S. Ryu, "Study on two-dimensional signal-to-noise ratio distribution
in optical wireless communications (in Japanese)," IEICE Convention
Record, B-10-49, Tokyo, September 2017.
10. H. Ando and S. Ryu, "Optimization of transmitter design in optical
wireless communications (in Japanese)," IEICE Convention Record, B-10-48,
Tokyo, September 2017.
11. S. Ryu, "Study on diversity receiving systems in optical wireless
communications (in Japanese)," IEICE Convention Record, B-10-60, Nagoya,
March 2017.
Optical measurement technology using coherent heterodyne detection and digital signal processing 1. T. Tsuboya and S. Ryu, "Time-domain continuous phase fluctuation
measurement for backscattered light in optical fibers (in Japanese),"
IEICE Convention Record, B-13-6, September 2020. 2. N. Takei and S. Ryu, "Measurement method of spatial distribution
of birefringence in optical fibers by coherent heterodyne detection (in
Japanese)," The 81st JSAP Fall Meeting 2020, 8p-Z19-22, September
2020. 3. N. Takei and S. Ryu, "Method of birefringence measurement by phase
measurement of backscattered light using coherent heterodyne detection
(in Japanese)," The 67th JSAP Spring Meeting 2020, 12p-B406-2, March
2020. 4. N. Takei and S. Ryu, "Analysis of phase characteristics of backscattered
light using coherent heterodyne detection (in Japanese)," IEICE Convention
Record, B-13-33, Osaka, September 2019.
5. S. Nozawa and S. Ryu, "Vibration measurement of optical fiber using
Brillouin frequency shift (in Japanese)," IEICE Convention Record,
B-13-34, Osaka, September 2019.
6. S. Nozawa and S. Ryu, "Study of optical phase characteristics of
Stokes light in Brillouin scattering (in Japanese)," IEICE Convention
Record, B-13-17, Tokyo, March 2019.
7. T. Tsuboya, H. Murata, D. Fukushima, and S. Ryu, "Phase fluctuation
measurement in continuous measurement method of optical fiber backscattered
light (in Japanese)," IEICE Convention Record, B-13-13, Tokyo, March
2019.
8. H. Murata, T. Tsuboya, D. Fukushima, and S. Ryu, "Frequency sweep
light generation in continuous measurement method of optical fiber backscattered
light (in Japanese)," IEICE Convention Record, B-13-14, Tokyo, March
2019.
9. S. Nozawa and S. Ryu, "Phase noise measurement of optical signal
using coherent heterodyne detection technique (in Japanese)," IEICE
Convention Record, B-10-53, Kanazawa, September 2018.
SDN technology
1. J. Tomaki and S. Ryu, "Dynamic routing by cooperation of SDN and
optical wireless communication (in Japanese)," EICE Convention Record,
B-12-4, September 2019.
2. J. Tomaki, S. Shinoda, and S. Ryu, "Dynamic routing by cooperation
of SDN and quality measurement of optical wireless signal (in Japanese),"
IEICE Convention Record, B-12-11, Tokyo, March 2019.
3. A. Horiguchi and S. Ryu, "Dynamic routing using SDN technology
and packet statistics (in Japanise)," IEICE Convention Record, B-6-30,
Kanazawa, September 2018.