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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 7 — Jul. 1, 2013
  • pp: 073201–

Switchable Q-switched and mode-locked erbium-doped fiber laser operating in the L-band region

Sin Jin Tan, Sulaiman Wadi Harun, Hamzah Arof, and Harith Ahmad  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 7, pp. 073201- (2013)


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Abstract

We demonstrate a switchable Q-switched and mode-locked erbium-doped fiber laser (EDFL) operating in the L-band region using the nonlinear polarization rotation effect. The switching operation is achieved by controlling intensity-dependent loss using a polarization controller. In Q-switching mode, the EDFL produces a pulse train with a repetition rate of 21.1 kHz, pulse width of 7.7 μs, and pulse energy of 13.6 nJ. The EDFL also generates a multi-wavelength comb with a very narrow and constant wavelength spacing of 0.045 nm and optical signal-to-noise ratio of at least 10 dB. During mode locking, the EDFL produces stretched pulses with 3-dB bandwidth of 26.2 nm, pulse width of 350 fs, repetition rate of 2.38 MHz, and pulse energy of 48.56 pJ.

© 2013 Chinese Optics Letters

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(320.0320) Ultrafast optics : Ultrafast optics

ToC Category:
Ultrafast Optics

Citation
Sin Jin Tan, Sulaiman Wadi Harun, Hamzah Arof, and Harith Ahmad, "Switchable Q-switched and mode-locked erbium-doped fiber laser operating in the L-band region," Chin. Opt. Lett. 11, 073201- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-7-073201

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