Long-period gratings as an ASE suppressor

Yeong Her Chen; Lin-Gen Sheu; Ching Chung Yang; I-Wen Wei; Win Chen Lin; Yen Zen Lee; Chung Ho Hsia

doi:10.1117/12.312849

19 June 1998 Long-period gratings as an ASE suppressor

Yeong Her Chen, Lin-Gen Sheu, Ching Chung Yang, I-Wen Wei, Win Chen Lin, Yen Zen Lee, Chung Ho Hsia

Proceedings Volume 3420, Optical Fiber Communication; (1998) https://doi.org/10.1117/12.312849
Event: Asia Pacific Symposium on Optoelectronics '98, 1998, Taipei, Taiwan

Abstract

Long-period grating (LPG) is the transmission type grating, that light is coupled from the LP₀₁ mode to forward- propagation cladding modes LP_lm thus providing the function of wavelength dependent losses in optical fiber systems. We design a wavelength selective grating filter with transmission loss -21.2 dB at wavelength of 1531 nm, which can be used as the amplified spontaneous emission suppressor to improve the gain profile in dual-stage erbium- doped fiber amplifiers.

Citation Download Citation

Yeong Her Chen, Lin-Gen Sheu, Ching Chung Yang, I-Wen Wei, Win Chen Lin, Yen Zen Lee, and Chung Ho Hsia "Long-period gratings as an ASE suppressor", Proc. SPIE 3420, Optical Fiber Communication, (19 June 1998); https://doi.org/10.1117/12.312849

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