2.0 dB/cm Gain in an Al^2O^3:Er^3+Waveguide on Silicon

Jonathan D. Bradley, Laura Agazzi, Dimitri Geskus, Feridun Ay, Kerstin Wörhoff, Markus Pollnau
2009 Conference on Lasers and Electro-Optics/International Quantum Electronics Conference   unpublished
Er concentration, energy-transfer upconversion and gain were investigated in Er-doped aluminum oxide channel waveguides. Net gain of up to 2.0 dB/cm was measured, demonstrating this material to provide a competitive active integrated optics technology.
doi:10.1364/cleo.2009.cthcc2 fatcat:xw5tqrwcr5g3pktfataekwbnze