Author

Masaaki Naganuma

Observed names: M. NAGANUMA, M. Naganuma

Institutions: Women's & Children's Health Research Institute, Cardiovascular Research Center, Women and Children’s Health Research Institute

Observed institutions: Tokyo Institute of Technology, University of Southern California, University of Alberta, Tohoku University, NTT (Japan), Aomori Prefectural Central Hospital, Women's & Children's Health Research Institute, Cardiovascular Research Center, Women and Children’s Health Research Institute, Sendai Kousei Hospital

ORCID: 0000-0001-6084-8669

Observed ORCID: 0000-0001-6084-8669

OpenAlex ID: A5089529392

A simple laterally tapered waveguide for low-loss coupling to single-mode fibers

1993 · K. Kasaya, O. Mitomi, et al. · IEEE Photonics Technology Letters · 101

Clear energy level shift in ultranarrow InGaAs/InP quantum well wires fabricated by reverse mesa chemical etching

1991 · M. Notomi, M. Naganuma, et al. · Applied Physics Letters · 91

Chirping characteristic and frequency response of MQW optical intensity modulator

1992 · O. Mitomi, S. Nojima, et al. · Journal of Lightwave Technology · 73

High-speed InGaAlAs/InAlAs multiple quantum well optical modulators

1990 · K. Wakita, I. Kotaka, et al. · Journal of Lightwave Technology · 71

Monolithically integrated DBR lasers with simple tapered waveguide for low-loss fibre coupling

1993 · K. Kasaya, Y. Kondo, et al. · Electronics Letters · 54

High-speed and low-driving-voltage InGaAs/InAlAs multiquantum well optical modulators

1991 · I. Kotaka, K. Wakita, et al. · Electronics Letters · 45

Gain saturation coefficients of strained-layer multiple quantum-well distributed feedback lasers

1991 · H. Yasaka, K. Takahata, et al. · IEEE Photonics Technology Letters · 42

Integrated external-cavity InGaAs/InP lasers using cap-annealing disordering

1991 · T. Miyazawa, H. Iwamura, et al. · IEEE Photonics Technology Letters · 38

Design of InGaAs-InAlAs multiple-quantum-well (MQW) optical modulators

1992 · K. Kawano, K. Wakita, et al. · IEEE Journal of Quantum Electronics · 33

High-speed and low-drive-voltage monolithic multiple quantum-well modulator/DFB laser light source

1992 · K. Wakita, I. Kotaka, et al. · IEEE Photonics Technology Letters · 29

Guest editorial microwave photonics

2003 · A.J. Seeds, C.H. Lee, et al. · Journal of Lightwave Technology · 26

Design of a spotsize-converter-integrated laser diode (SS-LD) with a lateral taper, thin-film core and ridge in the 1.3-μm-wavelength region based on the 3-D BPM

1996 · K. Kawano, M. Kohtoku, et al. · IEEE Journal of Selected Topics in Quantum Electronics · 21

GaAs, GaP, and GaAs1−xPx films deposited by molecular beam epitaxy

1975 · M. Naganuma, K. Takahashi · physica status solidi (a) · 19

Measurement of gain saturation coefficients in strained-layer multiple quantum-well distributed feedback lasers

1992 · H. Yasaka, K. Takahata, et al. · IEEE Journal of Quantum Electronics · 18

Fully polarisation independent Mach-Zehnder opticalswitchusing a lattice-matched InGaAlAs/InAlAs MQW and high-mesawaveguide structure

1996 · N. Yoshimoto, Y. Shibata, et al. · Electronics Letters · 15

Coupling and conversion characteristics of spot-size-converter integrated laser diodes

1997 · K. Kawano, M. Kohtoku, et al. · IEEE Journal of Selected Topics in Quantum Electronics · 14

Two-wavelength demultiplexing p-i-n GaAs/AlAs photodetector using partially disordered multiple quantum well structures

1989 · T. Miyazawa, T. Kagawa, et al. · Applied Physics Letters · 14

Quantitative analysis of optical reflection in amultimode interference 3 dB coupler using a low-coherence interferometric reflectometer

1996 · Y. Shibata, S. Oku, et al. · Electronics Letters · 12

Optimized growth start and controlled formation of misfit dislocations for heteroepitaxial GaAs on (100) Si grown by migration-enhanced epitaxy

1989 · W. Stolz, Y. Horikoshi, et al. · Journal of Crystal Growth · 12

Semaglutide-induced loss of skeletal muscle mass is blunted by co-administration of ketone esters

2026 · Yasser Abuetabh, Mya A. Schmidt, et al. · JCI Insight · 9

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3-D semivectorical beam propagation analysis of a spotsize-converter-integrated laser diode in the 1.3-μm-wavelength region

1997 · K. Kawano, M. Kohtoku, et al. · IEEE Photonics Technology Letters · 9

InGaAs/InP quantum well wires fabricated by GSMBE, MOCVD, and selective chemical etching techniques

1990 · M. Naganuma, M. Notomi, et al. · Journal of Crystal Growth · 9

Nanobubble technology to treat spinal cord ischemic injury

2020 · Masaaki Naganuma, Yuriko Saiki, et al. · JTCVS Open · 8

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High-speed InGaAlAs-InAlAs MQW directional coupler waveguide switch modules integrated with a spotsize converter having a lateral taper, thin-film core, and ridge

2000 · M. Kohtoku, K. Kawano, et al. · Journal of Lightwave Technology · 8

Lasing mode behavior of a single-mode MQW laser injected with TM polarized light

1993 · H. Yasaka, M. Naganuma · IEEE Journal of Quantum Electronics · 8

Works count: 65

Citation count: 856

H-index: 15

I10-index: 19