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Optical Path Cross-Connect System Using Matrix Wavelength Division Multiplex Scheme
Kazunari HARADA Kenji SHIMIZU Nobuhiro SUGANO Teruhiko KUDOU Takeshi OZEKI
IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Circuit Switching and Cross-Connecting
optical cross connect, wavelength division multiplex, crosstalk, optical path, hierarchy,
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Wavelength division multiplex (WDM) photonic networks are expected as the key for the global communication infrastructure. Recent increase of communication demands require large-scale highly-dense WDM systems, which results in severe requirements for optical cross-connect systems, such as cross-talk specification. In this paper, we propose a new optical path cross-connect system (OPXC) using matrix-WDM scheme, which makes it possible to reduce cross-talk requirements of WDM filters and to construct OPXC in modular structures. The matrix-WDM scheme is a concept of two-layered optical paths, which provides wavelength group managements in the fiber dispersion equalization and EDFA gain equalization.