| Novel chromatic dispersion measurement method over continuous gigahertz tuning range S Ryu, Y Horiuchi, K Mochizuki Journal of lightwave technology 7 (8), 1177-1180, 1989 | 94 | 1989 |
| Coherent lightwave communication systems S Ryu (No Title), 1995 | 70 | 1995 |
| Long-haul coherent optical fiber communication systems using optical amplifiers S Ryu, S Yamamoto, H Taga, N Edagawa, Y Yoshida, H Wakabayashi Journal of lightwave technology 9 (2), 251-260, 1991 | 63 | 1991 |
| Signal linewidth broadening due to nonlinear Kerr effect in long-haul coherent systems using cascaded optical amplifiers S Ryu Journal of lightwave technology 10 (10), 1450-1457, 1992 | 46 | 1992 |
| Optical communication system S Ryu US Patent 5,793,512, 1998 | 44 | 1998 |
| Field trial of 160-Gbit/s, polarization-division multiplexed RZ-DQPSK transmission system using automatic polarization control M Yagi, S Satomi, S Ryu Optical Fiber Communication Conference, OThT7, 2008 | 43 | 2008 |
| Method for measuring dispersion characteristics of an optical fiber S Ryu, K Mochizuki, Y Horiuchi US Patent 4,984,884, 1991 | 30 | 1991 |
| Measurement of direct frequency modulation characteristics of DFB-LD by delayed self-homodyne technique S Ryu, S Yamamoto Electronics letters 22 (20), 1052-1054, 1986 | 30 | 1986 |
| Novel coherent heterodyne optical time domain reflectometry for fault localization of optical amplifier submarine cable systems Y Horiuchi, S Ryu, K Mochizuki, H Wakabayashi IEEE Photonics Technology Letters 2 (4), 291-293, 1990 | 29 | 1990 |
| Optical add-drop device S Ryu US Patent 5,940,197, 1999 | 28 | 1999 |
| Apparatus for detecting a fault location in an optical fiber line Y Horiuchi, S Ryu US Patent 6,185,020, 2001 | 26 | 2001 |
| Optical frequency multiplex carrier control system T Miyazaki, S Ryu US Patent 5,387,992, 1995 | 26 | 1995 |
| Dynamic polarization fluctuation characteristics of optical fiber submarine cables under various environmental conditions Y Namihira, Y Horiuchi, S Ryu, K Mochizuki, H Wakabayashi Journal of lightwave technology 6 (5), 728-738, 1988 | 25 | 1988 |
| Coherent optical receiver having optically amplified local oscillator signal Y Horiuchi, S Ryu US Patent 5,463,461, 1995 | 24 | 1995 |
| First sea trial of FSK heterodyne optical transmission system using polarisation diversity S Ryu, S Yamamoto, Y Namihira, K Mochizuki, H Wakabayashi Electronics Letters 24 (7), 399-400, 1988 | 20 | 1988 |
| Signal linewidth broadening due to fibre nonlinearities in long-haul coherent optical fibre communication systems S Ryu Electronics Letters 17 (27), 1527-1529, 1991 | 18 | 1991 |
| Use of an optical amplifier in a coherent receiver S Ryu, Y Horiuchi IEEE Photonics technology letters 3 (7), 663-665, 1991 | 17 | 1991 |
| Polarisation-insensitive operation of coherent FSK transmission system using polarisation diversity S Ryu, S Yamamoto, K Mochizuki Electronics Letters 23 (25), 1382-1384, 1987 | 16 | 1987 |
| Polarization diversity techniques for the use of coherent optical fiber submarine cable systems S Ryu, S Yamamoto, Y Namihira, K Mochizuki, H Wakabayashi Journal of lightwave technology 9 (5), 675-682, 1991 | 14 | 1991 |
| Controller for semiconductor laser light source S Ryu, K Mochizuki US Patent 4,977,564, 1990 | 14 | 1990 |
