H. Yanagawa

Index-and-dimensional taper and its application to photonic devices

H. Yanagawa, Tetsuo Shimizu, S. Nakamura et al. · Journal of Lightwave Technology · 1992 · 48 citations

Waveguides, Optical Materials, Engineering +18

Polarization- and wavelength-insensitive guided-wave optical switch with semiconductor Y junction

H. Yanagawa, K. Ueki, Y. Kamata · Journal of Lightwave Technology · 1990 · 28 citations

Photonics, Electrical Engineering, Optical Switch +13

Broad-band high-silica optical waveguide star coupler with asymmetric directional couplers

H. Yanagawa, S. Nakamura, I. Ohyama et al. · Journal of Lightwave Technology · 1990 · 17 citations

Photonics, Asymmetric Directional Couplers, Optical Materials +10

Filter-embedded design and its applications to passive components

H. Yanagawa, Tetsuyuki Ochiai, Hisao Hayakawa et al. · Journal of Lightwave Technology · 1989 · 15 citations

Waveguides, Optical Materials, Engineering +24

Mode field profile converting optical channel waveguide with tapered refractive index and cross-section

H. Yanagawa, S. Nakamura, Kazuhiro Watanabe et al. · Electronics Letters · 1989 · 10 citations

Photonics, Waveguides, Engineering +9