Industrial Technology Research Institute

Chi-Yu Ni

Shih-Jung Chang

Yin-Chieh Huang

Yung-Jui Chen

A wide passband optical interleaver includes a first optical splitter, having a first output terminal and a second output terminal. A first optical route is coupled to the first output terminal. A second optical route is coupled to the second output terminal. A delay is coupled on the second optical route. A second optical splitter having two input terminals is receiving the first optical route and the second optical route. A plurality of optical filter respectively having transmission coefficients &#x3c1;is coupled to the first optical route and the second optical route. The transmission coefficients &#x3c1;are determined by satisfying a desired quantity of effective group delay ratio T, defined as where Sis +1 or &#x2212;1.

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Chi-Yu Ni