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A fiber depolarizer using polarization beam splitter loop structure for narrow linewidth light source

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3 Author(s)
Ilyong Yoon ; Sch. of Electr. Eng., Seoul Nat. Univ., South Korea ; Byoungho Lee ; Soojin Park

A new fiber depolarizer employing a polarization beam splitter loop structure is proposed and demonstrated. The depolarizer is devised for broad-band operation and the depolarization of narrow linewidth light source without any help of polarization controllers or Faraday rotator mirrors. A polarizing method is developed that shows good performance without polarization control unit. Therefore, the proposed depolarizer can be cost-effective and easily configured. From experiments, low output degree of polarization less than 10% is obtained for a narrow linewidth light source.

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 6 )