Two-Fiber Optical Channel Shared Protection Ring with 4×4 Thermal-Optic Switches

Li, Mingjun; Tebben, D.J.; Soulliere, M.J.; Hilbert, S.; Zhao, Mingming; Lelic, I.; Hoefer, Dina; Gauland, M.; Kaliniouk, V.; Guiziou, L.; Jouanno, J.-M.; Wagner, Richard E.

doi:10.1364/ofc.2001.tuo7

Cited by 6 publications

(4 citation statements)

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“…Last year, Corning reported a transparent two fiber optical channel shared protection ring at OFC'2001and NFOEC'2001 [12,13]. The node design was a wavelength-layered architecture shown in Figure 7.…”

Section: Two-fiber Ringmentioning

confidence: 99%

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<title>Optical protection ring architectures and applications</title>

2002

SPIE Proceedings

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This paper surveys recent progress in optical protection rings with the focus on transparent optical protection rings. Generic requirements and attributes for optical protection rings, different optical protection ring architectures such as dedicated and shared protection rings in both the optical channel layer and the optical multiplex section layer are described. In particular, optical channel shared protection rings are discussed in detail including node architecture designs, ring protocols, triggers and messaging channels. Feasibility studies and experimental results from Corning Incorporated and other companies are reviewed. The paper also discusses how protection switching times scale with number of nodes and number of wavelengths, and shows examples of applications using the scaling rules for practical optical networks such as metro, regional and long haul ring network. Finally, the paper discusses remaining issues and future developments in the optical protection ring area.

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Section: Two-fiber Ringmentioning

confidence: 99%

“…It offers excellent resilience to failures and potentially a very short switching time (<50 ms) that is similar to SONET self-healing rings. Several experimental demonstrations on optical protection rings including dedicated protection rings and shared protection rings have been reported recently [4][5][6][7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

<title>Optical protection ring architectures and applications</title>

2002

SPIE Proceedings

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“…Corning's WSS uses diffractive or holographic gratings for demux/mux in combination with liquid crystal (LC) switches as switch array [74]. It has proven to be very good and flexible building block and has found many applications [75][76].…”

Section: Switching-based Oadmmentioning

confidence: 99%

“…As outlined in section 5, the next generation ADM or PADM must possess additional node characteristics namely: wavelength aggregation and segmentation (WAS), increased connectivity, client layer configurability, and automatic optical layer protection [76,77]. In this section, we will discuss only the first two new requirements and their subsequent functions.…”

Section: Functional Requirements and Challenges To Padmmentioning

confidence: 99%

<title>Photonic add-drop multiplexing perspective for next-generation optical networks</title>

Dingel

Dutta

2001

SPIE Proceedings

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An add/drop multiplexer (ADM) is recognized as one of the basic building blocks to extend DWDM networks from a static point-to-point system into a next generation, dynamic, re-configurable, programmable optical network. The objective of this paper is twofold: (1) provide an extensive overview tutorial of the numerous existing implementations of ADM, (2) categorize these different ADM implementations, and (3) assess their respective limitations and impacts on an evolving optical network. Toward this goal, a clear distinction between an OADM and a WADM node is made in terms of add/drop port configuration using a functional black box approach, and the types of component and device technologies that support these structures. Our second objective is to use this classification scheme to project, what we believe, is the functional form of the next generation ADM module. This is accomplished by taking into account major trends and developments in the optical networking arena. Lastly, some technical perspectives and directions toward the form of the next generation ADM are presented.

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