## Abstract We report on a allβfiber actively Qβswitched laser based on a MachβZehnder interferometer (MZI). One of the arms of the MZI is bonded on a piezoelectric transducer (PZT). The path length difference between those two arms will change when a RF electric signal is applied drives the PZT, a
Self-Q-switching and mode-locking in an all-fiber Er/Yb co-doped fiber ring laser
β Scribed by Shu-min Zhang; Fu-yun Lu; Jian Wang
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 440 KB
- Volume
- 263
- Category
- Article
- ISSN
- 0030-4018
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A modeling of an all-fiber self-Q-switched Erbium laser is developed, implying that the mechanism of self-Q-switching is the power-dependent thermo-induced lensing in Erbium fiber that stems from the excited-state absorption at the laser wavelength.
Robust passively mode-locked pulse generation with low pulse repetition rate and giant spectrum bandwidth in an all-fiber, all-normal-dispersion ytterbium-doped fiber laser has been experimentally demonstrated using nonlinear polarization evolution technique. The highest pulse energy over 20 nJ with