論文誌
・光無線通信(Li-Fi)技術関係 1.永瀬 賢尚, 笠 史郎, "ノンイメージングレンズを用いたZF推定によるMIMO光無線通信システムに関する検討," 電子情報通信学会論文誌B,Vol.
J105-B, No. 7, pp. 515-516, 2022年7月.
2. 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.
・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. S. Ryu, “Continuous time-domain measurement method of Rayleigh backscattered
light with coherent detection, “IEEE Photonics Technology Letters, Vol.
35, No. 9, pp. 497-500, May 2023.
国際会議 ・光無線通信(Li-Fi)技術関係 1.K. Seitaibashi and S. Ryu, “Carrier-phase estimation techniques for MIMO
optical wireless communication systems,” OECC2023, OECC2023-0320-30, Shanghai,
China, July 2023.
2. J. Kishi and S. Ryu, "Study on angle diversity receiving system
for visible light communications," ACP2018, paper S4D.6, Hangzhou,
China, October 2018.
3. 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. 4. S. Ryu, "(Invited talk) Application of angle diversity technique
to optical wireless communication systems for smartphones," Interphotonics
2018, Antalya, Turkey, October 2018.
5. 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. S. Ryu, "[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, Edinburgh, UK, October 2024. 2. S. Ryu, "Optical delay interferometer system for the measurement
of optical phase noise and polarization fluctuation," ECOC2024, paper
W2A.106, Frankfurt, Germany, September 2024. 3. S. Ryu, "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, Incheon, Korea, August 2024.
4.S. Ryu, "Optical phase noise and polarization fluctuation measurement
with delay interferometer," CLEO2023, paper JTu2A.60, San Jose, CA,
May 9, 2023. 5. S. Ryu, "[基調講演] Optical time domain reflectometry for continuous
time-domain measurement of Rayleigh backscattered light," Optics-Laser
2023, London, UK, March 27, 2023.
6. N. Takei and S. Ryu, "Dynamic measurement of fiber-birefringence
spatial distribution by coherent heterodyne detection of Rayleigh backscattered
light," CLEO 2021, paper SM1E.7, May 2021.
7. 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.
8. 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. 9. 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.
10. 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.
11. 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.