Electrically-controlled rapid femtosecond pulse duration switching and continuous picosecond pulse duration tuning in an ultrafast Cr4+:forsterite laser
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We demonstrate rapid switching between picosecond and femtosecond operational regimes in a Cr4+:forsterite laser, using an electrically-contacted GaInNAs SESAM with saturable absorption characteristics controlled via the quantum-confined Stark effect. Additionally, continuous picosecond pulse duration tuning by over a factor 3 is reported.
Crombie , C , Walsh , D A , Lu , W , Zhang , S , Zhang , Z , Kennedy , K , Calvez , S , Sibbett , W & Brown , C T A 2012 , ' Electrically-controlled rapid femtosecond pulse duration switching and continuous picosecond pulse duration tuning in an ultrafast Cr4+:forsterite laser ' Optics Express , vol 20 , no. 16 , pp. 18138-18144 . DOI: 10.1364/OE.20.018138
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This work recieved funding from the Engineering and Physical Sciences Research Council through EP/E064450/1 and EP/E06440X/1 grants.
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