Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3224203
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Funding
- ARO [W911NF-06-1-0134]
- NSF [ECCS-0854619]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0854619] Funding Source: National Science Foundation
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Strip optical waveguides based on erbium (Er)-doped AlGaN/GaN:Er/AlGaN heterostructures have been fabricated and characterized in the optical communication wavelength window near 1.54 mu m. The propagation loss of these waveguide amplifiers have been measured at 1.54 mu m and found to be 3.5 cm(-1). Moreover, the optical amplification properties of the waveguides were measured using a signal input at 1.54 mu m and a broadband GaN light-emitting diode at 365 nm as pump source. A relative signal enhancement of similar to 8 cm(-1) was observed. The implications of such devices in photonic integrated circuits for optical communications are discussed. (C) 2009 American Institute of Physics. [doi:10.1063/1.3224203]
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