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Zhao et al., 2018 - Google Patents

Peak-power-clamped passive Q-switching of a thulium/holmium co-doped fiber laser

Zhao et al., 2018

Document ID
6951783418391074360
Author
Zhao J
Li L
Zhao L
Tang D
Shen D
Publication year
Publication venue
Journal of Lightwave Technology

External Links

Snippet

We report on a type of peak-power-clamped passive Q-switching in a thulium/holmium co- doped fiber laser, for the first time to the best of our knowledge. Nonlinear polarization rotation was used as an artificial saturable absorber to initiate the Q-switched operation. The …
Continue reading at opg.optica.org (other versions)

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    • HELECTRICITY
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    • H01S3/1601Solid materials characterised by an active (lasing) ion
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    • H01S3/05Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
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    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
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    • H01S3/16Solid materials
    • H01S3/1601Solid materials characterised by an active (lasing) ion
    • H01S3/1603Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1608Solid materials characterised by an active (lasing) ion rare earth erbium
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    • H01S3/1616Solid materials characterised by an active (lasing) ion rare earth thulium
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    • H01S3/1106Mode locking
    • H01S3/1112Passive mode locking
    • H01S3/1115Passive mode locking using a saturable absorber
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    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
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