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.
© 2009 The Optical Society
(130.0130) Integrated optics : Integrated optics
(130.3130) Integrated optics : Integrated optics materials
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.4480) Lasers and laser optics : Optical amplifiers
J. D. Bradley, L. Agazzi, D. Geskus, F. Ay, K. Wörhoff, and M. Pollnau, "2.0 dB/cm Gain in an Al<sup>2</sup>O<sup>3</sup>:Er<sup>3+</sup>Waveguide on Silicon," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CThCC2.
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