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S-頻段摻鉺光纖放大器的研發及其於分波多工網路上之應用

The Study of S-Band Erbium-Doped Fiber Amplifier and Its Applications for WDM Networks

摘要


因應下世代寬頻且高速傳輸容量的光纖到府(FTTH)服務,因此現行傳統的波長頻寬範圍(1530nm至1570nm)在高密度分波多工(DWDM)光通訊網路上已不堪使用,為了增加頻寬於DWDM的應用上,唯一可行的方式是將波長的頻帶延伸至長波長(L-頻段)或短波長(S-頻段)的頻帶內,而寬頻的摻鉺光纖放大器(Erbium-Doped Fiber Amplifier; EDFA)在長距離之DWDM通訊傳輸系統上為一個重要的信號放大光元件模組。在本論文中,我們將研發-S-頻段的摻鉺光纖放大器,其波長的操作範圍分布在1470nm至1520nm之間。此放大器是利用壓制纖衣(Depressed Cladding)的設計與-光功率共享之980nm泵激雷射源以獲得S-頻段的光纖放大器。並且藉著此S-頻段的光大器,我們同時可以延伸光纖雷射與光纖感測系統於S-頻段。

並列摘要


Due to the broadband and high-speed transmission capacity for FTTH service, the conventional operation range of 1530 to 1560 nm on DWDM optical networks is insufficient. To increase the transmission capacity on the applications of DWDM, the feasible method will extend the bandwidth to S-or L-band. And the wide-band erbium-doped fiber amplifier (EDFA) is the key component of the long-haul DWDM communications. In this paper, we propose and experimentally investigate a S-band EDFA by a depressed cladding design and a 980 nm pump laser with power-sharing. Utilization of the S-band amplifier, the fiber ring laser and fiber grating sensor system can be extended to S-band.

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