Time Division Multiplexing of 106 Weak Fiber Bragg Gratings Using a Ring Cavity Configuration

Zhi WANG; Hongqiao WEN; Zhihui LUO; Yutang DAI

doi:10.1007/s13320-016-0275-2

Journals >Photonic Sensors >Volume 6 >Issue 2 >Page 132 > Article

Photonic Sensors
Vol. 6, Issue 2, 132 (2016)

Time Division Multiplexing of 106 Weak Fiber Bragg Gratings Using a Ring Cavity Configuration

Zhi WANG¹, Hongqiao WEN^1、2、*, Zhihui LUO¹, and Yutang DAI¹

Author Affiliations

¹National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan, 430070, China

²Key Laboratory of Ministry of Education for Fiber Optic Sensing Technology and Information Processing, Wuhan University of Technology, 430070, China

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DOI: 10.1007/s13320-016-0275-2 Cite this Article

Zhi WANG, Hongqiao WEN, Zhihui LUO, Yutang DAI. Time Division Multiplexing of 106 Weak Fiber Bragg Gratings Using a Ring Cavity Configuration[J]. Photonic Sensors, 2016, 6(2): 132 Copy Citation Text

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Abstract

A time division multiplexing of 106 weak fibers Bragg gratings (FBGs) based on a ring resonant-cavity is demonstrated. A semiconductor optical amplifier is connected in the cavity to function as an amplifier as well as a switch. The 106 weak FBGs are written along a SMF-28 fiber in serial with peak reflectivity of about -30 dB and equal separations of 5 m. The crosstalk and spectral distortion are investigated through both theoretical analysis and experiments.

Keywords

Fiber Bragg grating (FBG)semiconductor optical amplifier (SOA)time-division multiplexing (TDM)

Zhi WANG, Hongqiao WEN, Zhihui LUO, Yutang DAI. Time Division Multiplexing of 106 Weak Fiber Bragg Gratings Using a Ring Cavity Configuration[J]. Photonic Sensors, 2016, 6(2): 132

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