Ytterbium doped multicore fiber saturable absorber for high energy ultrafast fiber lasers (Conference Presentation)

The key advantages of ultrafast fiber lasers compared to their bulk competitors are their small footprints, low costs and nearly diffraction limited beam quality. The pulse energy of fiber based ultrafast oscillators is still inferior comparted to ultrafast bulk oscillators. In the last decade substantial effort has been devoted to overcome this hurdle, including the development of novel saturable absorber schemes. In this work, we discuss the pulse energy scaling potential of all normal dispersion (ANDI) fiber lasers utilizing Ytterbium doped multicore fiber as saturable absorber.