13 February 2016 Spatial and planar optical circuit for flexible ROADM
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A high port count wavelength selective switch (HPC-WSS) is a key component when constructing colorless, directionless, and contentionless ROADM because it provides increased flexibility and scalability. We have been developing HPC-WSSs by combining a waveguide-based optical frontend and free-space optics, which we call a spatial and planar optical circuit (SPOC) platform. In this paper, we present an HPC-WSS and a low-loss transponder aggregator based on a SPOC platform, and we also describe the reliability of the frontend, which is a key enabler for the SPOC platform.
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Kota Shikama, Kota Shikama, Yuichiro Ikuma, Yuichiro Ikuma, Kenya Suzuki, Kenya Suzuki, Tetsuo Takahashi, Tetsuo Takahashi, "Spatial and planar optical circuit for flexible ROADM", Proc. SPIE 9773, Optical Metro Networks and Short-Haul Systems VIII, 97730B (13 February 2016); doi: 10.1117/12.2218509; https://doi.org/10.1117/12.2218509

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