Abstract

We demonstrate the broadband optical amplification in bismuth-doped strontium germanate glass with 808nm and 980nm laser diodes (LDs) as excitation sources. The net optical gain has been obtained within the wavelength region of 1272 to 1348nm with 808nm laser diode under 0.97W power. The maximum gain and gain coefficients are 1.23 and 1.03cm1 at 1315nm, respectively. The signal increment at 1300nm is 2.8 times with 980nm LD, under 3W power. The differential thermal analysis measurement reveals the good thermal stability of the studied glass. This glass could be suggested as a promising gain medium for broadband optical amplifiers.

© 2007 Optical Society of America

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