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Furukawa Review No.22

Development of a Heater-Control AWG Module

Jun-ichi Hasegawa, Tsunetoshi Saito, Hiroyuki Koshi and Kazuhisa Kashihara


Arrayed waveguide gratings (AWGs) have an important role in the dense-wavelength division multiplexing (DWDM) systems that are coming into wider use both in North America and elsewhere around the world. The authors have accordingly developed a heater-control AWG module that is only 12mm thick and consumes less than 5W of power. It also achieves optical characteristics that are stable with respect to changes in ambient temperature and tension on optical fibers. Optical characteristics and reliability were confirmed with the fabrication of prototype 100-GHz, 40-channel AWG modules.

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