Broadband WDM filter based on an improved long-period grating pair

Jin-Hua Yan; A. Ping Zhang; Li-Yang Shao; Sailing He

doi:10.1117/12.636297

5 December 2005 Broadband WDM filter based on an improved long-period grating pair

Jin-Hua Yan, A. Ping Zhang, Li-Yang Shao, Sailing He

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 601925 (2005) https://doi.org/10.1117/12.636297
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

We present the design and fabrication of a broadband all-fiber wavelength-division multiplexing (WDM) filter based on the long-period grating (LPG) technology. By utilizing the improved LPGs, i.e. the LPG with step-changed index modulation, an LPG with a 3-dB flat-bottom stop-band was designed with transfer matrix method. The fabrications of the designed LPG and the broadband WDM filter are also realized by using the point-by-point grating writing technique in the experiments.

Citation Download Citation

Jin-Hua Yan, A. Ping Zhang, Li-Yang Shao, and Sailing He "Broadband WDM filter based on an improved long-period grating pair", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601925 (5 December 2005); https://doi.org/10.1117/12.636297

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