A Mode-Locked 1.91 μm Fiber Laser Based on Interaction between Graphene Oxide and Evanescent Field

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概要

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• The use of a graphene oxide (GO)-deposited D-shaped fiber as a saturable absorber for mode locking of a thulium-doped fiber laser is experimentally demonstrated. By using the evanescent field interaction of an oscillating beam with GO, a passive mode locking operation at a wavelength of {\sim}1.91 μm is shown to be achievable from a ring cavity. Stable picosecond pulses are readily obtained at a repetition rate of 15.9 MHz. This demonstration confirms that GO is a cost-effective saturable absorber applicable for {\sim}2 μm ultrafast pulse generation.

• 2012-11-25

著者

• SONG Yong-Won

  Future Convergence Research Division, Korea Institute of Science and Technology

• LEE Ju

  School of Electrical and Computer Engineering, University of Seoul

• KOO Joonhoi

  School of Electrical and Computer Engineering, University of Seoul

• Debnath Pulak

  Future Convergence Research Division, Korea Institute of Science and Technology

• Jung Minwan

  School of Electrical and Computer Engineering, University of Seoul, Seoul 130-743, Republic of Korea

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• A Mode-Locked 1.91 μm Fiber Laser Based on Interaction between Graphene Oxide and Evanescent Field

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