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Proceedings Paper

A 1550 nm PbS semiconductor quantum dots fiber amplifier based on SiO2 sol-gel method
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Paper Abstract

A novel PbS quantum dots (QDs) fiber amplifier based on SiO2 Sol-Gel method was proposed. The QDs doped SiO2 films was deposited onto a fused tapered fiber coupler based on standard single mode fiber (SMF). With a 980 nm wavelength laser diode (LD) as the pump, 1550 nm signal and 980 nm pump light waves were injected into the tapered region simultaneously, through the evanescent wave, we obtained the gain at 1576 nm wavelength as high as 5 dB. The proposed fiber amplififier can implement the property of a small, integrated, high output, low noise, high gain, low cost, which meet the need of the future of optical fiber communication system.

Paper Details

Date Published: 28 November 2011
PDF: 6 pages
Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83080M (28 November 2011); doi: 10.1117/12.904469
Show Author Affiliations
Xiaolan Sun, Shanghai Univ. (China)
Chao Li, Shanghai Univ. (China)
Libin Xie, Shanghai Univ. (China)
Xiaohong Liu, Shanghai Univ. (China)
Yanhua Dong, Shanghai Univ. (China)


Published in SPIE Proceedings Vol. 8308:
Optoelectronic Materials and Devices VI
Guang-Hua Duan, Editor(s)

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