A simple wavelength-shared WDM-PON system and its quick collision test method for upstream channels

Wei Li; Yuan Li; Huan Zhang

doi:10.1117/12.741969

19 November 2007 A simple wavelength-shared WDM-PON system and its quick collision test method for upstream channels

Wei Li, Yuan Li, Huan Zhang

Proceedings Volume 6783, Optical Transmission, Switching, and Subsystems V; 67832X (2007) https://doi.org/10.1117/12.741969
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

A simple low-cost wavelength-shared WDM-PON (Wavelength-Division Multiplexing Passive Optical Network) system using star-shaped optical fiber couples, one tunable laser, AWG (Array Waveguide Gating) is proposed in this paper. In this simple architecture, a star-shaped optical fiber couple and a tunable laser are used for 32 sources to reduce the cost dramatically. Comparing with the normal OLT(Optical Line Terminal) controlling ONU(Optical Network Unit) software method, a hardware wavelength collision test method to avoid the wavelength collision for upstream channels is used in the novel system which can reduce delay time for upstream channels. Transmission tests show that the system and the method are efficient which are useful in FTTH(Fiber to Home).

Citation Download Citation

Wei Li, Yuan Li, and Huan Zhang "A simple wavelength-shared WDM-PON system and its quick collision test method for upstream channels", Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 67832X (19 November 2007); https://doi.org/10.1117/12.741969

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KEYWORDS

WDM-PON

Signal detection

Tunable lasers

Optical fibers

Control systems

Hardware testing

Optoelectronics

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