Three-by-three port fused fiber grating coupler

Lung Ai; Wen-Fung Liu; Ming-Yue Fu; Tzu-Chiang Chen; Jiang-Chiou Mau

doi:10.1117/1.3080745

1 February 2009 Three-by-three port fused fiber grating coupler

Lung Ai, Wen-Fung Liu, Ming-Yue Fu, Tzu-Chiang Chen, Jiang-Chiou Mau

Author Affiliations +

Optical Engineering, Vol. 48, Issue 2, 025002 (February 2009). https://doi.org/10.1117/1.3080745

Abstract

We experimentally demonstrate that a 3×3 port fused fiber grating coupler can be implemented by combining the technique of fabricating fused-fiber couplers as well as that of writing fiber Bragg gratings for application in all-fiber optical filters. A Bragg grating with a reflectivity of 65% is written into the coupling region of a 3×3 fiber coupler with the coupling ratios of 60, 24, and 16%, respectively, for three different output ports. This device can be applied in optical multi/demultiplexing and add/drop filters or in special optical filters.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Lung Ai, Wen-Fung Liu, Ming-Yue Fu, Tzu-Chiang Chen, and Jiang-Chiou Mau "Three-by-three port fused fiber grating coupler," Optical Engineering 48(2), 025002 (1 February 2009). https://doi.org/10.1117/1.3080745

Published: 1 February 2009

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