Densely packed NxN wavelength cross-connect switch module

Hisato Uetsuka; Masao Tachikura; Hitoshi Kawashima; Kazuhiko Ikeda; Keisuke Sorimoto; Hiroyuki Tsuda; Keiichi Sasaki; Yuto Yamashita

doi:10.1117/12.2078608

7 February 2015 Densely packed NxN wavelength cross-connect switch module

Hisato Uetsuka, Masao Tachikura, Hitoshi Kawashima, Kazuhiko Ikeda, Keisuke Sorimoto, Hiroyuki Tsuda, Keiichi Sasaki, Yuto Yamashita

Author Affiliations +

Proceedings Volume 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV; 93890C (2015) https://doi.org/10.1117/12.2078608
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

A wavelength cross-connect switch (WXC) is proposed and demonstrated. The cross-connect optics have orthogonal imaging systems that operate differently in the switching and spectral planes. The switching plane has 2f Fourier optics with a Rayleigh length. On the other hand, the spectral plane has 4f imaging optics. Two types of switching engines, microelectromechanical system (MEMS) mirrors and liquid crystal on silicon (LCOS), are applied for the same cross-connect optics. The 5×5 WXC with MEMS mirrors has a 100 GHz channel spacing, which is compatible with the International Telecommunication Union (ITU) grid. On the other hand, the WXC with LCOS has a variable channel spacing. The characteristics of two types of WXC are compared. In addition, the port count, which is one of the important parameters, is discussed.

Citation Download Citation

Hisato Uetsuka, Masao Tachikura, Hitoshi Kawashima, Kazuhiko Ikeda, Keisuke Sorimoto, Hiroyuki Tsuda, Keiichi Sasaki, and Yuto Yamashita "Densely packed NxN wavelength cross-connect switch module", Proc. SPIE 9389, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IV, 93890C (7 February 2015); https://doi.org/10.1117/12.2078608

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