Broadband-rejection fiber filters based on long-period fiber gratings

Ailun Ye; Xinwan Li; Shuo He

doi:10.1117/12.402659

9 October 2000 Broadband-rejection fiber filters based on long-period fiber gratings

Ailun Ye, Xinwan Li, Shuo He

Proceedings Volume 4225, Optical Interconnects for Telecommunication and Data Communications; (2000) https://doi.org/10.1117/12.402659
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

Broad band-rejection all fiber filters based on Long Period Fiber Gratings were fabricated by a novel method. Adopting the grating period (Lambda) equals 550 micrometer, and (Lambda) equals 610 micrometer, number of periods N equals 15 and different heating condition, the two kinds of devices are obtained with different band-rejection peak wavelengths at 1310 nm and 1550 nm, respectively. The isolation is more than 25 dB. The bandwidth at the 10 nm isolation point is over 20 nm. The insertion loss is less than 1.2 dB and backward reflection loss is less than -70 dB.

Citation Download Citation

Ailun Ye, Xinwan Li, and Shuo He "Broadband-rejection fiber filters based on long-period fiber gratings", Proc. SPIE 4225, Optical Interconnects for Telecommunication and Data Communications, (9 October 2000); https://doi.org/10.1117/12.402659

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