Gain flattening filter in the DWDM systems using C-band or L-band optical amplifiers

Ionut C. Bibac

doi:10.1117/12.520107

30 September 2003 Gain flattening filter in the DWDM systems using C-band or L-band optical amplifiers

Ionut C. Bibac

Proceedings Volume 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies; (2003) https://doi.org/10.1117/12.520107
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

An optical transport network based on dense wavelength - division multiplexing DWDM technology is the next logical step in the evolution of Internet network. An Optical Internet network is defined as any Internet network where the network link layer connections are “dedicated” wavelengths on a Wave Division Multiplexed optical fibre directly connected to a high performance network router. The high performance network router replaces traditional ATM and SONET/SDH switching and multiplexing equipment, the essential statistical multiplexing device that controls wavelength access, switching, routing and protection. The optical amplifier is the key element that contributes to design an Optical Internet network. The design of an optical component and in particular an optical amplifier can directly and significantly affect the performance of an optical system. With the help of PTDS toll I will demonstrate the advantage of using L - band amplifiers especially for long - haul terrestrial or submarine DWDM systems in which thousands of amplifiers might be needed in a single transmission link. This is due to the exceptional feature that permits in a cascade configuration a very flat gain. It is demonstrated that L -band amplifier doesn’t require a gain-flattening fiber (GFF) compared to C -band amplifiers.

Citation Download Citation

Ionut C. Bibac "Gain flattening filter in the DWDM systems using C-band or L-band optical amplifiers", Proc. SPIE 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, (30 September 2003); https://doi.org/10.1117/12.520107

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KEYWORDS

Optical amplifiers

Fiber amplifiers

L band

Dense wavelength division multiplexing

Internet

Amplifiers

Erbium

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