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Multiwavelength Optical Fiber Lasers for WDM Systems

用于 WDM 系统的多波长光纤激光器

基本信息

批准号：
10555124
负责人：
YAMASHITA Shinji
金额：
$ 4.74万
依托单位：
THE UNIVERSITY OF TOKYO
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
1998
资助国家：
日本
起止时间：
1998 至 1999
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-10555124/
关键词：
Optical fiber communications Multiwavelength laser WDM Fiber laser Tunable laser Self-injection locking L-band Polarization ブリルアンレーザ

项目摘要

This research aims at the realization of multiwavelength Er-doped fiber lasers for WDM optical fiber systems. Optical devices and systems essential for WDM systems have been also proposed and demonstrated experimentally.(1) Stable and high-power multiwavelength lasing from miniature Er : Yb fiber Fabry-Perot lasers (FFPL) has been realized. FFPL's having cavity length from 1 to 5 mm have been fabricated and stable multiwavelength lasing up to 37 wavelengths has been demonstrated at 77K. We also proposed a novel single-frequency fiber laser by self-injection locking the same FFPL with a narrowband fiber Brags grating. 10Gb/s fiber transmission test showed that it has very good performances.(2) Multiwavelength lasing at room temperature has been realized with Bri11ouin/Erbium fiber lasers (BEFL). We proposed a novel BEFL using a fiber DFB laser as a intracavity Brillouin pump and demonstrated bidirectional multiwavelength lasing up to 8 wavelengths. 7 wavelengths could be generated from another BEFL using Sagnac mirror. We studied the theory of BEFL's and sensor applications.(4) We investigated various sorts of stable single-frequency and single-polarization fiber lasers. And the mode-locked fiber laser is now under investigation.(5) Optical devices essential for WDM systems, such as wideband fiber amplifiers, wavelength converters, and regenerative repeaters, have been proposed and demonstrated. We also proposed and demonstrated a novel node configuration for WDM ring networks using multiwavelength lasers.

本研究旨在实现WDM光纤系统中的多波长掺铒光纤激光器。WDM系统所必需的光学器件和系统也已被提出和实验证明。(1)实现了小型化Er：Yb光纤法布里-珀罗激光器（FFPL）的稳定、高功率多波长激射。腔长为1 ~ 5 mm的FFPL在77 K下实现了37个波长的稳定多波长激光输出。我们还提出了一种新的单频光纤激光器，通过自注入锁定同一个FFPL与窄带光纤布拉格光栅。10 Gb/s光纤传输测试表明，该系统具有良好的性能。(2)利用布里渊/铒光纤激光器（BEFL）实现了室温下的多波长激射。我们提出了一种新型的BEFL使用光纤DFB激光器作为腔内布里渊泵浦，并展示了双向多波长激射多达8个波长。利用Sagnac镜可以从另一个BEFL产生7个波长。研究了BEFL的理论和传感器应用。(4)研究了各种稳定的单频单偏振光纤激光器。锁模光纤激光器正在研究中。(5)WDM系统所必需的光学器件，如宽带光纤放大器、波长转换器和再生中继器，已经被提出和论证。我们还提出并证明了一种新的节点配置的WDM环网使用多波长激光器。