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Journals / Uludağ Üniversitesi Mühendislik Fakültesi Dergisi / 2016 / Cilt: 21 - Sayı: 2

Analysis of Signal-to-Crosstalk Ratio Variations due to Four-Wave Mixing in Dense Wavelength Division Multiplexing Systems Implemented with Standard Single-Mode Fibers

STANDART TEK-MODLU FİBERLER İLE KURULMUŞ YOĞUN DALGABOYU BÖLMELİ ÇOĞULLAMA SİSTEMLERİNDE DÖRT DALGA KARIŞIMINDAN KAYNAKLANAN İŞARET ÇAPRAZ KARIŞIM ORANI DEĞİŞİMLERİNİN ANALİZİ

Sait Eser KARLIK
Pages
171–188
Publication Date
2016-10-14
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Simulation results display the combined effect of the optical fiber and system design parameters on FWM performance of DWDM systems and give important clues for not only long-haul but also access network implementations of DWDM systems.

📌 3 Key Takeaways

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Objective & Hypothesis:In this paper, variation of the signal-to-crosstalk ratio (SXR) due to effects of four-wave mixing (FWM) has been analyzed on center channels of 5-, 7-, 9-channel dense wavelength division multiplexing (DWDM) systems implemented with G.652 standard single-mode fibers (SSMFs) for 12.5 GHz, 25 GHz, 50 GHz and 100 GHz equal channel spacing values.
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Key Findings & Data:Therefore, results obtained are the worst-case values for the DWDM system performance and important for system design.
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Conclusion & Impact:Simulation results display the combined effect of the optical fiber and system design parameters on FWM performance of DWDM systems and give important clues for not only long-haul but also access network implementations of DWDM systems.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Dört Dalga Karışımı · Yoğun Dalgaboyu Bölmeli Çoğullama Sistemi · Optik Fiber

Abstract

In this paper, variation of the signal-to-crosstalk ratio (SXR) due to effects of four-wave mixing (FWM) has been analyzed on center channels of 5-, 7-, 9-channel dense wavelength division multiplexing (DWDM) systems implemented with G.652 standard single-mode fibers (SSMFs) for 12.5 GHz, 25 GHz, 50 GHz and 100 GHz equal channel spacing values. Center channels on such systems are the most severely impacted channels by FWM. Therefore, results obtained are the worst-case values for the DWDM system performance and important for system design. Simulations have been performed for systems using three different commercially available SMFs having different design parameter values for chromatic dispersion, dispersion slope, nonlinearity coefficient and attenuation coefficient which are all in the scope of the G.652 Recommendation of Telecommunication Standardization Sector of International Telecommunication Union (ITU-T) for SSMFs. In those simulations, under the impact of FWM, variation of SXR with variations in input powers, channel spacings and link lengths have been observed. Simulation results display the combined effect of the optical fiber and system design parameters on FWM performance of DWDM systems and give important clues for not only long-haul but also access network implementations of DWDM systems.

Özet

Bu makalede, G.652 standart tek-modlu optik fiber (SSMF) kullanan, 12.5 GHz, 25 GHz, 50 GHz ve 100 GHz eşit kanallar arası boşluk değerlerine sahip, 5, 7 ve 9 kanallı yoğun dalgaboyu bölmeli çoğullama sistemlerinin (DWDM) merkez kanallarında, dört dalga karışımı (FWM) etkisinden kaynaklanan işaret çapraz karışım oranlarının (SXR) değişimi incelenmiştir. Belirtilen tipteki sistemlerde, merkez kanallar, tüm kanallar arasında FWM olayından en ağır şekilde etkilenen kanallardır. Bu nedenle, incelemeden elde edilen sonuçlar DWDM sistem performansı için en kötü hal değerleri olup sistem tasarımı açısından önemlidir. Benzetimler, SSMF fiberler için Uluslararası Haberleşme Birliği Haberleşme Standardizasyon Birimi’nin (ITU-T) G.652 Tavsiyesi’nde belirtilen değerler aralığında bulunan farklı değerlerdeki kromatik dispersiyon, dispersiyon eğimi, doğrusalsızlık katsayısı ve zayıflama katsayısı tasarım parametrelerine sahip üç farklı SSMF ticari ürününü kullanan sistemler için gerçekleştirilmiştir. Benzetimlerde, FWM etkisi altında, kanal giriş güçlerindeki, kanallar arası boşluk değerlerindeki ve fiber uzunluklarındaki değişimler ile SXR’ın nasıl değiştiği gözlemlenmiştir. Sonuçlar, optik fiber ve sistem tasarım parametrelerinin DWDM sistemlerin FWM performansı üzerindeki birleşik etkisini göstermekte olup DWDM sistemlerin hem uzak mesafe hem de erişim ağı uygulamaları için önemli ipuçları vermektedir.

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Cite This Article

KARLIK, S. E. (2016). Analysis of Signal-to-Crosstalk Ratio Variations due to Four-Wave Mixing in Dense Wavelength Division Multiplexing Systems Implemented with Standard Single-Mode Fibers. Uludağ Üniversitesi Mühendislik Fakültesi Dergisi, Cilt: 21 - Sayı: 2, 171–188. https://ajindex.com/articles/708797

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References (4)

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