Mitsuru Ekawa

An ultrawide-band semiconductor optical amplifier having an extremely high penalty-free output power of 23 dBm achieved with quantum dots

T. Akiyama, Mitsuru Ekawa, Mitsuru Sugawara et al. · IEEE Photonics Technology Letters · 2005 · 196 citations

Photonics, Electrical Engineering, Optical Materials +14

Tapered thickness MQW waveguide BH MQW lasers

Hirokazu Kobayashi, Mitsuru Ekawa, N. Okazaki et al. · IEEE Photonics Technology Letters · 1994 · 96 citations

Thickness Waveguide, Photonics, Engineering +9

High-output-power polarization-insensitive semiconductor optical amplifier

Ken Morito, Mitsuru Ekawa, Tôru Watanabe et al. · Journal of Lightwave Technology · 2003 · 81 citations

Photonics, Electrical Engineering, Good Amplification Characteristics +13

1.3-$\mu$m AlGaInAs Multiple-Quantum-Well Semi-insulating Buried-Heterostructure Distributed-Feedback Lasers for High-Speed Direct Modulation

Kazuya Otsubo, M. Matsuda, K. Takada et al. · IEEE Journal of Selected Topics in Quantum Electronics · 2009 · 57 citations

Photonics, Engineering, Optical Amplification +12

Fabrication of InAs quantum dots on InP(100) by metalorganic vapor-phase epitaxy for 1.55 μm optical device applications

Kenichi Kawaguchi, Mitsuru Ekawa, Akito Kuramata et al. · Applied Physics Letters · 2004 · 46 citations

Optical Materials, Engineering, Optical Device Applications +19