Koichi Maru

Statistical analysis of correlated phase error in transmission characteristics of arrayed-waveguide gratings

Hisato Uetsuka, Okawa Masahiro, Koichi Maru, 2002 .

Demonstration of Compact and Low-Loss Athermal Arrayed-Waveguide Grating Module Based on 2.5%-Δ Silica-Based Waveguides

Hisato Uetsuka, Koichi Maru, Yukio Abe, 2008 .

Super-high-Δ athermal arrayed waveguide grating with resin-filled trenches in slab region

Hiroshi Ishikawa, Hisato Uetsuka, S. Himi, 2004 .

Low-loss, flat-passband and athermal arrayed-waveguide grating multi/demultiplexer.

K. Maru, Y. Abe, Koichi Maru, 2007, Optics express.

Low loss and wide passband arrayed waveguide grating demultiplexer

Hiroaki Okano, M. Okawa, T. Hakuta, 1998, 24th European Conference on Optical Communication. ECOC '98 (IEEE Cat. No.98TH8398).

Planar wave-guide interleaving filters

Hideaki Arai, Hisato Uetsuka, H. Nonen, 2002, The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society.

Spot-size converter using vertical ridge taper for low fibre-coupling loss in 2.5%-Δ silica waveguides

M. Ito, Hisato Uetsuka, S. Himi, 2006 .