Fabrication of periodic domain grating in LiNbO <sub>3</sub> by electron beam writing for application of nonlinear optical processesHiromasa Ito, Humio Inaba, Choichi Takyu|Electronics Letters|1991Cited by 153
Generalized study on angular dependence of induced second-order nonlinear optical polarizations and phase matching in biaxial crystalsHiromasa Ito, Humio Inaba, Hatsuhiko Naito|Journal of Applied Physics|1975Cited by 104
Efficient phase-matched second-harmonic generation method in four-layered optical-waveguide structureHiromasa Ito, Humio Inaba|Optics Letters|1978Cited by 85
Picosecond optical pulse generation from an r.f. modulated AlGaAs d.h. diode laserHiromasa Ito, Humio Inaba, Hiroyuki Yokoyama et al.|Electronics Letters|1979Cited by 81
10 km-long fibre-optic remote sensing of CH4 gas by near infrared absorptionK. Chan, Takeshi Furuya, Hiromasa Ito et al.|Applied Physics B|1985Cited by 68