・光無線通信（Li-Fi）技術関係 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.
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.
・コヒーレントヘテロダイン検波とディジタル信号処理技術を用いた光測定技術 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,
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.