[D-7-3] Observation of Luminescence from a Highly Concentrated Nd Center in GaP by Direct Optical Excitation and Comparison with Nd Centers Excited under Host Excitation
Moriyuki Taniguchi, Hiroshi Nakagome, Kenichiro Takahei
(1.NTT Basic Research Laboratories)
https://doi.org/10.7567/SSDM.1991.D-7-3