Er-doped planar waveguides for power amplifier applications

J. I. Mackenzie; G. S. Murugan; A. W. Yu; J. B. Abshire

doi:10.1117/12.2004053

18 March 2013 Er-doped planar waveguides for power amplifier applications

J. I. Mackenzie, G. S. Murugan, A. W. Yu, J. B. Abshire

Proceedings Volume 8599, Solid State Lasers XXII: Technology and Devices; 859908 (2013) https://doi.org/10.1117/12.2004053
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

New devices are required to provide effective tools for DIAL or LIDAR measurements from space, which will enable improved mapping of the concentration and distribution of CO₂ in our atmosphere. Here we present characteristics of Er-doped thin film waveguides, with an extended gain bandwidth, which are applicable to planar waveguide power amplifiers for wavelengths around the 1572 nm CO₂ absorption peaks. Planar waveguide films have been fabricated by sputtering of fluorophosphate and tellurite based glasses onto oxidised silicon wafers, and their properties characterized. The deposition parameters for undoped and Er,Yb-doped films have been assessed and studied, achieving losses of <1.5 dB/cm at 633 nm for the as deposited waveguides. A comparison between the two host materials is made and the potential performance discussed.

Citation Download Citation

J. I. Mackenzie, G. S. Murugan, A. W. Yu, and J. B. Abshire "Er-doped planar waveguides for power amplifier applications", Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 859908 (18 March 2013); https://doi.org/10.1117/12.2004053

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