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Low-Loss Transponder Aggregator Using Spatial and Planar Optical Circuit

Author:
Ikuma, Yuichiro  Suzuki, Kenya  Nemoto, Naru  Hashimoto, Etsu  Moriwaki, Osamu  Takahashi, Tetsuo  


Journal:
JOURNAL OF LIGHTWAVE TECHNOLOGY


Issue Date:
2016


Abstract(summary):

We propose a compact transponder aggregator (TPA) consisting of a wavelength selective switch (WSS) array and a direction switch array. It has no intrinsic splitting loss and therefore the number of ports can exceed that of a conventional multicast switch. Awaveguide-based frontend that incorporates spatial beam transformers enables us to increase the number of ports and integrate multiple WSSs in a simple optical system. The direction switch array is integrated in the frontend. We describe an 8 x 24 prototype, which is the largest port count yet achieved for a TPA with no intrinsic splitting loss.


Page:
67---72


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