65 /spl times/ 22.8 Gb/s WDM transmission over 8,398 km employing symmetrically collided transmission with Aeff managed fiber

Shimizu, K.; Ishida, K.; Kinjo, K.; Kobayashi, Teiichi; Kajiya, S.; Tokura, T.; Kogure, T.; Motoshima, K.; Matsukawa, Takashi

doi:10.1109/ofc.2002.1036418

Cited by 8 publications

(2 citation statements)

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“…As a result, the signal power in the symmetric configuration is never attenuated as deeply as that in the asymmetric configuration, leading to much better Raman noise figure performance of the symmetric design. In addition to its excellent noise properties, the symmetric arrangement may also cancel certain types of nonlinear penalties [11], [20], [21]. All these advantages have made the symmetric DMF the preferred fiber choice for high-capacity ULH DWDM transmission experiments [22]- [25].…”

Section: Symmetric Dispersion-managed Fibermentioning

confidence: 99%

Transparent ultra-long-haul DWDM networks with "broadcast-and-select" OADM/OXC architecture

Vasilyev

Tomkos

Mehendale

et al. 2003

J. Lightwave Technol.

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We describe an experimental realization of ultralong-haul (ULH) networks with dynamically reconfigurable transparent optical add-drop multiplexers (OADMs) and optical cross-connects (OXCs). A simple new approach to dispersion management in ULH dense-wavelength-division-multiplexing (DWDM) transparent optical networks is proposed and implemented, which enables excellent transmission performance while avoiding dispersion compensation on a connection-by-connection basis. We demonstrate "broadcast-and-select" node architectures that take full advantage of this method. Our implementation of signal leveling ensures minimum variations of path-averaged power among the wavelength-division-multiplexing (WDM) channels between the dynamic gain-equalizing nodes and results in uniform nonlinear and spontaneous-emission penalties across the WDM spectrum. We achieve 80 10.7-Gb/s DWDM networking over 4160 km (52 spans 80 km each) of all-Raman-amplified symmetric dispersion-managed fiber and 13 concatenated OADMs or 320 320 wavelength-port OXCs with 320-km node spacing. The WDM channels use 50-GHz grid in band and the simple nonreturn-to-zero (NRZ) modulation format. The measured values exhibit more than a 1.8-dB margin over the forwarderror correction threshold for 10 15 bit-error-rate operation. We compare these results with point-to-point transmission of 80 10-Gb/s NRZ WDM signals over 4160 km without OADM/ OXC and provide detailed characterization of penalties due to optical signal-to-noise-ratio degradation, filter concatenation, and crosstalk. Index Terms-Add-drop multiplexer, dispersion management, optical communication, optical cross-connect (OXC), Raman amplification, transparent optical networks. I. INTRODUCTION T RANSPARENT ultra-long-haul (ULH) network systems have gained strong importance in the past few years, as the longer transparent reach distance of optical circuit connection promises network cost reduction through elimination of costly optical-to-electrical-to-optical (O/E/O) data regenerators.

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Section: Symmetric Dispersion-managed Fibermentioning

confidence: 99%

Transparent ultra-long-haul DWDM networks with "broadcast-and-select" OADM/OXC architecture

Vasilyev

Tomkos

Mehendale

et al. 2003

J. Lightwave Technol.

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“…For example, dispersion deviation was ±0.05 ps/nm/km over the whole C-band. Using new SMF-E plus IDF-45E type fiber, many experimental transmission results have been reported, and high performance was confirmed with SMF-E plus IDF-E [33][34][35][36][37][38][39][40][41][42]. The aggregate of 10 and 40 Gb/s transmission experimental results reported in ECOC'03 and OFC'04 are summarized in Fig.…”

Section: System Experiments Using Improved Idfmentioning

confidence: 97%

Dispersion compensating fiber used as a transmission fiber: inverse/reverse dispersion fiber

et al. 2006

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This paper gives an overview of IDF/RDF fiber design and development for submarine system. It starts with the concept of dispersion management line and its difference from the conventional DCF used in a module. Then it reviews the fiber design details and optical properties of various types of fibers used as parts of dispersion management lines. Fiber splicing issues using MFD expanding method and a brief summary of transmission experiments using the dispersion management lines are also included. Finally, we discussed a medial dispersion alternative comprising a positive and negative medial dispersion fiber and future optical properties improvements possibilities.

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Ultra-Long-Haul Submarine and Terrestrial Applications

Kidorf¹,

Nissov²,

Foursa³

Raman Amplifiers for Telecommunications 2

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65 /spl times/ 22.8 Gb/s WDM transmission over 8,398 km employing symmetrically collided transmission with Aeff managed fiber

Cited by 8 publications

References 0 publications

Transparent ultra-long-haul DWDM networks with "broadcast-and-select" OADM/OXC architecture

Transparent ultra-long-haul DWDM networks with "broadcast-and-select" OADM/OXC architecture

Dispersion compensating fiber used as a transmission fiber: inverse/reverse dispersion fiber

Ultra-Long-Haul Submarine and Terrestrial Applications

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