@article{bodiou:cea-00348676, TITLE = {{Direct evidence of trap-mediated excitation in GaN:Er3+ with a two-color experiment}}, AUTHOR = {Bodiou, Loic and Braud, Alain}, URL = {https://cea.hal.science/cea-00348676}, JOURNAL = {{Applied Physics Letters}}, PUBLISHER = {{American Institute of Physics}}, VOLUME = {93}, PAGES = {151107}, YEAR = {2008}, HAL_ID = {cea-00348676}, HAL_VERSION = {v1}, }