NEW POLARIZATION-INSENSITIVE AND ROBUST ALL-FIBER-OPTIC INTERFEROMETER FOR FM TO AM CONVERSION IN OPTICAL COMMUNICATION

被引:5
作者
MOGENSEN, F [1 ]
PEDERSEN, B [1 ]
NIELSEN, B [1 ]
机构
[1] TECH UNIV DENMARK,INST ELECTROMAGNET,DK-2800 LYNGBY,DENMARK
关键词
LIGHT INTERFEROMETERS; OPTICAL FIBERS; OPTICAL FIBER POLARIZATION; OPTICAL COUPLERS;
D O I
10.1049/el:19930982
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A new polarisation-insensitive and robust all-fibre-optic interferometer is outlined and demonstrated. The interferometer consists of a polarisation maintaining (PM) 3 dB coupler and a PM fibre in a simple Sagnac configuration. An insertion loss of 1.2 dB +/-0.1 dB and an extinction ratio better than 28 dB is obtained for an interferometer designed to have a free spectral range (FSR) of 16 GHz. Exploiting the interferometer for FM to AM conversion has high potential for overcoming dispersion limitations in long distance and high-speed optical communication systems.
引用
收藏
页码:1469 / 1471
页数:3
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