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Title: High extinction ratio magneto-optical fiber modulator based on nanoparticle magnetic fluids
Authors: Dong, Xinyong
Chen, Li Han
Wong, Wei Chang
Zu, Peng
Chan, Chi Chiu
Lew, Wen Siang
Jin, Yongxing
Liew, Hwi Fen
Issue Date: 2012
Series/Report no.: IEEE photonics journal
Abstract: A novel magneto-optical fiber modulator with a high extinction ratio (ER) based on a polarization interference structure is proposed. A magnetic fluid (MF) film and a section of a polarization-maintaining fiber (PMF) are inserted into the structure to generate a suitable sinusoidal interference spectrum for light modulation. The MF film leads to a spectrum shift under external magnetic field due to its magnetically controllable birefringence, whereas the PMF is used to control the period of the interference spectrum. In this experiment, magneto-optical modulation with a high ER of 38 dB is demonstrated.
ISSN: 1943-0655
DOI: 10.1109/JPHOT.2012.2205233
Rights: © 2012 IEEE
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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