Analysis of almost-periodic distributed feedback slab waveguides via a fundamental matrix approach

Makoto Yamada, Kyohei Sakuda

Applied Optics

PhotonicsWaveguidesEngineeringOptical PropertiesAntenna +8

Broadband and gain-flattened amplifier composedof a 1.55 µm-band and a 1.58 µm-band Er ³⁺ -doped fibre amplifierin a parallel configuration

Makoto Yamada, Hirotaka Ono, T. Kanamori, +2

Electronics Letters

Self-Healing Capability of Fiber-Reinforced Cementitious Composites for Recovery of Watertightness and Mechanical Properties

Tomoya Nishiwaki, Sukmin Kwon, Daisuke Homma, +2

Materials

409-Tb/s + 409-Tb/s crosstalk suppressed bidirectional MCF transmission over 450 km using propagation-direction interleaving

Akihide Sano, H. Takara, Takayuki Kobayashi, +18

Optics Express

Fluoride-based erbium-doped fiber amplifier with inherently flat gain spectrum

Makoto Yamada, T. Kanamori, Y. Terunuma, +4

IEEE Photonics Technology Letters

Amplification CharacteristicsPhotonicsFlat Gain SpectrumEngineeringOptical Properties +7

2 344 Tb/s propagation-direction interleaved transmission over 1500-km MCF enhanced by multicarrier full electric-field digital back-propagation

Toru Kobayashi, K. Hiraga, Makoto Yamada, +15

Wireless CommunicationsElectrical EngineeringSpread SpectrumEngineeringSdm Transmission +10

1.58-μm band gain-flattened erbium-doped fiber amplifiers for WDM transmission systems

Hirotaka Ono, Makoto Yamada, T. Kanamori, +2

Journal of Lightwave Technology

Amplification CharacteristicsEngineeringOptical AmplificationGain FlatnessOptical Transmission System +9

Gain-flattened Er/sup 3+/-doped fiber amplifier for a WDM signal in the 1.57-1.60-μm wavelength region

Hirotaka Ono, Makoto Yamada, Yasutake Ohishi

IEEE Photonics Technology Letters

Photonics1.57-1.60-μM Wavelength RegionOptical AmplificationEngineeringOptical Transmission System +12

Concentration effect on optical amplification characteristics of Er-doped silica single-mode fibers

Mitsuaki Shimizu, Makoto Yamada, M. Horiguchi, +1

IEEE Photonics Technology Letters

Optical MaterialsEngineeringEr ConcentrationFiber OpticsFiber Lasers +15

Erbium-doped fibre amplifiers with an extremely high gain coefficient of 11.0 dB/mW

Mitsuaki Shimizu, Makoto Yamada, M. Horiguchi, +2

Electronics Letters

Optical MaterialsEngineeringOptical Transmission SystemLaser ApplicationsFiber Lasers +18