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K. Nakagawa

Optical time domain reflectometry in a single-mode fiber
1981 · K. Aoyama, K. Nakagawa, et al. · IEEE Journal of Quantum Electronics · 145
Laser Mode Partition Noise Evaluation for Optical Fiber Transmission
1980 · Y. Okano, K. Nakagawa, et al. · IRE Transactions on Communications Systems · 103
Suppression of mode partition noise by laser diode light injection
1982 · K. Iwashita, K. Nakagawa · IEEE Journal of Quantum Electronics · 74
Trunk and distribution network application of erbium-doped fiber amplifier
1991 · K. Nakagawa, S. Nishi, et al. · Journal of Lightwave Technology · 62
Chirp pulse transmission through a single-mode fibre
1982 · K. Iwashita, K. Nakagawa, et al. · Electronics Letters · 52
An optical bit-rate flexible transmission system with 5-Tb/s-km capacity employing multiple in-line erbium-doped fiber amplifiers
1990 · K. Hagimoto, S. Nishi, et al. · Journal of Lightwave Technology · 50
Bidirectional 10-channel 2.5 Gbit/s WDM transmissionover 250 km using76 nm (1531–1607 nm) gain-band bidirectional erbium-doped fibre amplifiers
1997 · K.-I. Suzuki, H. Masuda, et al. · Electronics Letters · 36
250 km nonrepeated transmission experiment at 1.8 Gb/s using LD pumped Er 3+ -doped fibre amplifiers in IM/direct detection system
1989 · K. Hagimoto, K. Iwatsuki, et al. · Electronics Letters · 36
Improved sideband suppression of optical SSB modulation using all-optical Hilbert transformer
2002 · K. Tanaka, K. Takano, et al. · Electronics Letters · 26
20 Gb/s optical soliton data transmission over 70 km using distributed fiber amplifiers
1990 · K. Iwatsuki, K. Suzuki, et al. · IEEE Photonics Technology Letters · 22
Suppression of Mode Partition Noise by Laser Diode Light Injection
1982 · K. Iwashita, K. Nakagawa · IEEE Transactions on Microwave Theory and Techniques · 22
Fibrous radial structure of speckle patterns in polychromatic light
1980 · Y. Tomita, K. Nakagawa, et al. · Applied Optics · 19
SDH-based 10 Gbit/s optical transmission system
2002 · Y. Kobayashi, Y. Sato, et al. · Globecom · 18
DmB1M code and its performance in a very high-speed optical transmission system
1988 · S. Kawanishi, N. Yoshikai, et al. · IEEE Transactions on Communications · 16
Wavelength Evolution of Fiber Bragg Gratings Fabricated From Hydrogen-Loaded Optical Fiber During Annealing
2004 · Y. Masuda, M. Nakamura, et al. · Journal of Lightwave Technology · 15
Supervisory signal transmission methods for optical amplifier repeater systems
2002 · S. Matsuoka, Y. Yamabayashi, et al. · Globecom · 15
Er 3+ -doped fluorophosphate glass fibreamplifier for WDM systems
1996 · H. Ono, K. Nakagawa, et al. · Electronics Letters · 15
Average Contrast of White-light Image Speckle Patterns
1979 · K. Nakagawa, T. Asakura · Optica Acta International Journal of Optics · 15
SPM effect on carrier-suppressed optical SSB transmission with NRZ and RZ formats
2004 · K. Takano, N. Sakamoto, et al. · Electronics Letters · 14
Very-high-speed optical signal processing
1993 · S. Shimada, K. Nakagawa, et al. · Proceedings of the IEEE · 14
Contrast dependence of white light image speckles on surface roughness
1978 · K. Nakagawa, T. Asakura · Optics Communications · 14
Reliability of fluoride fiber module for optical amplifier use
1999 · Y. Nishida, K. Fujiura, et al. · IEEE Photonics Technology Letters · 13
Optical amplifiers in future optical communication systems
1990 · K. Nakagawa, S. Shimada · IEEE LCS · 13
Wavelength dependence of spliced graded-index multimode fibers
1979 · T. Matsumoto, K. Nakagawa · Applied Optics · 13
Time shared lightwave reference frequency distribution for photonics networks
1996 · K. Aida, K. Nakagawa · Journal of Lightwave Technology · 11
Works count: 72
Citation count: 1,017
H-index: 15
I10-index: 29
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