Nippon Telegraph and Telephone Corporation

Ntt Electronics Corporation

Yuji Moriya

Yasuyuki Inoue

Takashi Saida

Shin Kamei

Shigeo Nagashima

Daisuke Ogawa

An arrayed waveguide grating optical multiplexer/demultiplexer according to the present invention including an input channel waveguide, an input slab waveguide, an arrayed waveguide, a polarization dependence eliminating means, an output slab waveguide, a temperature compensating means, and an output channel waveguide is characterized in that the temperature compensating means compensates for the temperature dependence of the optical path lengths in the channel waveguides of the arrayed waveguide, and the polarization dependence eliminating means eliminates the temperature dependence and the polarization dependence of the arrayed waveguide grating optical multiplexer/demultiplexer at the same time.

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Yokohama, Japan

Yuji Moriya