Takemi Hasegawa

Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion

Kunimasa Saitoh, M. Koshiba, Takemi Hasegawa et al. · Optics Express · 2003 · 669 citations · Full text

Engineering, Optical Transmission System, Fiber-optic Communication +16

Measurement of Brillouin Gain Spectrum Distribution along an Optical Fiber Using a Correlation-Based Technique - Proposal, Experiment and Simulation -

Kazuo Hotate, Takemi Hasegawa · 2000 · 308 citations

Photonics, Engineering, Optical Amplification +8

The First 0.14-dB/km Loss Optical Fiber and its Impact on Submarine Transmission

Yoshiaki Tamura, Hirotaka Sakuma, Morita Keisei et al. · Journal of Lightwave Technology · 2018 · 166 citations

Waveguides, Optical Materials, Engineering +19

Record-Low Spatial Mode Dispersion and Ultra-Low Loss Coupled Multi-Core Fiber for Ultra-Long-Haul Transmission

Tetsuya Hayashi, Yoshiaki Tamura, Takemi Hasegawa et al. · Journal of Lightwave Technology · 2016 · 159 citations

Photonics, Engineering, Optical Transmission System +15

Randomly-Coupled Multi-Core Fiber Technology

Tetsuya Hayashi, Taiji Sakamoto, Yusuke Yamada et al. · Proceedings of the IEEE · 2022 · 86 citations · Full text

Photonics, Randomly-coupled Mcfs, Engineering +9