5 June 2018 Tapered optical fiber deposited with PbS as an optical fiber amplifier based on atomic layer deposition
Yan Wu, Yana Shang, Yanan Kang, Fufei Pang, Jianxiang Wen, Na Chen, Yanhua Dong, Huanhuan Liu, Zhenyi Chen, Tingyun Wang
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Abstract
Optical properties of tapered optical fiber deposited with PbS are investigated, which is deposited based on atomic layer deposition technique with Pb(tmhd)2 and H2S as Pb and S precursors. After deposition, morphology of PbS thin film is characterized by a scanning electron microscope, and the composition is confirmed by X-ray photoelectron spectroscopy and energy dispersive spectrum. Raman spectrum shows a typical peak at 204  cm  −  1, which is assigned to the influence of the PbS structure, and it further reveals that PbS is deposited on the surface of the tapered optical fiber successfully. With a 980-nm pump laser diode, tapered optical fiber deposited with PbS applied to fiber amplifier exhibits a wide band optical gain at 1550 nm with the largest gain of 5.6 dB.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2018/$25.00 © 2018 SPIE
Yan Wu, Yana Shang, Yanan Kang, Fufei Pang, Jianxiang Wen, Na Chen, Yanhua Dong, Huanhuan Liu, Zhenyi Chen, and Tingyun Wang "Tapered optical fiber deposited with PbS as an optical fiber amplifier based on atomic layer deposition," Optical Engineering 57(6), 066102 (5 June 2018). https://doi.org/10.1117/1.OE.57.6.066102
Received: 4 February 2018; Accepted: 16 May 2018; Published: 5 June 2018
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KEYWORDS
Lead

Tapered optical fibers

Optical fibers

Fiber amplifiers

Atomic layer deposition

Optical amplifiers

Luminescence

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