標題: Adaptive upstream rate adjustment by RSOA-ONU depending on different injection power of seeding light in standard-reach and long-reach PON systems
作者: Yeh, C. H.
Chow, C. W.
Shih, F. Y.
Pan, C. L.
光電工程學系
Department of Photonics
關鍵字: Seeding light;Passive Optical Network (PON);Adaptive upstream rate;RSOA;Long-reach
公開日期: 1-Aug-2012
摘要: The wavelength division multiplexing-time division multiplexing (WDM-TDM) passive optical network (PON) using reflective semiconductor optical amplifier (RSOA)-based colorless optical networking units (ONUS) is considered as a promising candidate for the realization of fiber-to-the-home (FTTH). And this architecture is actively considered by Industrial Technology Research Institute (ITRI) for the realization of FTTH in Taiwan. However, different fiber distances and optical components would introduce different power budgets to different ONUs in the PON. Besides, due to the aging of optical transmitter (Tx), the power decay of the distributed optical carrier from the central office (CO) could also reduce the injection power into each ONU. The situation will be more severe in the long-reach (LR) PON, which is considered as an option for the future access. In this work, we investigate a WDM-TDM PON using RSOA-based ONU for upstream data rate adjustment depending on different continuous wave (CW) injection powers. Both standard-reach (25 km) and LR (100 km) transmissions are evaluated. Moreover, a detail analysis of the upstream signal bit-error rate (BER) performances at different injection powers, upstream data rates, PON split-ratios under stand-reach and long-reach is presented. (C) 2012 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/11536/16418
ISSN: 0030-4018
期刊: OPTICS COMMUNICATIONS
Volume: 285
Issue: 17
結束頁: 3587
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