论文信息 - Highly efficient 4-W Yb-doped fiber amplifier pumped by a broad-stripe laser diode.

Highly efficient 4-W Yb-doped fiber amplifier pumped by a broad-stripe laser diode.

A Yb-doped double-cladding fiber amplifier is v-groove side pumped by a 100-microm -wide, broad-stripe, 975-nm laser diode. The amplifier exhibits, separately, 39% electrical-to-optical conversion efficiency, 89% internal optical-to-optical conversion efficiency, 4-W output power at 1060 nm, and a small-signal gain of 53 dB.

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