Passively Q-switched erbium-doped fiber laser based on nonlinear polarization rotation

We have experimentally demonstrated an all‐fiber passively Q‐switched Erbium‐doped fiber (EDF) ring laser based on nonlinear polarization rotation. By incorporating a long section of single‐mode fiber and a polarization‐dependent isolator into the EDF ring laser, the intensity‐dependent transmission...

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Veröffentlicht in:	Microwave and optical technology letters 2008-03, Vol.50 (3), p.694-696
Hauptverfasser:	Zhang, Zuxing, Sang, Minghuang, Ye, Zhiqing, Nie, Yiyou
Format:	Artikel
Sprache:	eng
Schlagworte:	fiber laser nonlinear polarization rotation Q-switch
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Beschreibung
Zusammenfassung:	We have experimentally demonstrated an all‐fiber passively Q‐switched Erbium‐doped fiber (EDF) ring laser based on nonlinear polarization rotation. By incorporating a long section of single‐mode fiber and a polarization‐dependent isolator into the EDF ring laser, the intensity‐dependent transmission due to the effect of nonlinear polarization rotation can be implemented, which can act as an artificial saturable absorber for Q‐switching. Such a passively Q‐switched ring laser has the simple and all‐fiber configuration. In addition, passively harmonic mode‐locking and chaotic pulses are also generated from the EDF ring laser. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 694–696, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23185
ISSN:	0895-2477 1098-2760
DOI:	10.1002/mop.23185