64-channel very low crosstalk arrayed-waveguide grating multi/demultiplexer module using a cascade connection technique

Shin Kamei; Motohaya Ishii; Takeshi Kitagawa; Mikitaka Itoh; Yoshinori Hibino

Optical Fiber Communications Conference
OSA Trends in Optics and Photonics (Optica Publishing Group, 2002),
paper TuK1

64-channel very low crosstalk arrayed-waveguide grating multi/demultiplexer module using a cascade connection technique

Shin Kamei, Motohaya Ishii, Takeshi Kitagawa, Mikitaka Itoh, and Yoshinori Hibino

Optical Fiber Communication Conference 2002

Anaheim, California United States
ISBN: 1-55752-700-8

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PLC Technologies (TuK)

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S. Kamei, M. Ishii, T. Kitagawa, M. Itoh, and Y. Hibino, "64-channel very low crosstalk arrayed-waveguide grating multi/demultiplexer module using a cascade connection technique," in Optical Fiber Communications Conference, A. Sawchuk, ed., Vol. 70 of OSA Trends in Optics and Photonics (Optica Publishing Group, 2002), paper TuK1.

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Abstract

The recent rapid spread of multimedia communication has led to an urgent need for even higher capacity transmission in dense wavelength division multiplexing (DWDM) systems. Arrayed-waveguide gratings (AWGs) founded on silica-based planar lightwave circuit (PLC) technology play a key role as practical multi/demultiplexers in high-channel-count DWDM systems with a large transmission capacity.¹ To meet the growing demand, we have already realized a large-scale AWG with as many as 400 channels.² However, the optical performance of AWGs tends to worsen as their scale is increased, because accumulated crosstalk increases in proportion to channel number.

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