Assessment and mitigation of Erbium-doped fibre amplifiers (EDFA) gain transients in hybrid wavelength division multiplexing/time division multiplexing passive optical network (WDM/TDM PON) in the presence of packet-based traffic

被引：5

作者：

Neto, B. ^{[1
,2
]}

Reis, C. ^{[1
,3
]}

Dionisio, R. P. ^{[1
,4
]}

Ferreira, J. M. ^{[1
,5
]}

Lazaro, J. A. ^{[6
]}

Tosi-Beleffi, G. ^{[7
]}

Pinto, A. N. ^{[1
,3
]}

Nogueira, R. ^{[1
,5
]}

Teixeira, A. ^{[1
,3
]}

Prat, J. ^{[6
]}

Andre, P. S. ^{[1
,2
]}

机构：

[1] Inst Telecommun, P-3810193 Aveiro, Portugal

[2] Univ Aveiro, Dept Fis, P-3810193 Aveiro, Portugal

[3] Univ Aveiro, Dept Elect Telecomun & Informat, P-3810193 Aveiro, Portugal

[4] Escola Super Tecnol, Inst Politecn Castelo Branco, P-6000767 Castelo Branco, Portugal

[5] Nokia Siemens Networks, P-2720093 Alfragide, Portugal

[6] Univ Politecn Cataluna, Dept Signal Theory & Comm, E-08034 Barcelona, Spain

[7] Inst Ist Super Comunicaz & Tecnol Informaz ISCOM, I-20100144 Rome, Italy

来源：

IET OPTOELECTRONICS | 2010年 / 4卷 / 06期

关键词：

BURST-SWITCHED NETWORKS; DYNAMICS;

D O I：

10.1049/iet-opt.2009.0065

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this study, the authors present an innovative gain clamping method to mitigate Erbium-doped fibre amplifiers transients under bursty or packetised traffic. This method is based on a lasing technique by means of a continuous wave feedback signal reflected on a fibre Bragg grating. The clamping was assessed using on a range of re-injected powers from -30 to -5 dBm and able to fully mitigate the packet transients. The performance of the system at 2.5 and 10.0 Gb/s was appraised for different inter-packets times being observed in all cases an improvement in the Q factor. Additionally, a study that includes a characterisation of the transients (gain excursion and decaying time) with the inter-packet parameters and a comparison with theory was also presented.

引用

页码：219 / 225

页数：7

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