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Active Polymer Waveguides
In article number 2209239, Hui Xu, Dan Zhang, and co‐workers report high gains at 1.06 and 1.31 μm wavelengths in a novel complex Nd (TTA)3(XPO)‐doped polymer waveguide with the excitation by light‐emitting diodes (LEDs) instead of a semiconductor laser as the pump source. The importance of this work is to minimize the commercial cost of waveguide amplifiers in planar photonic...
Chelate phosphine oxide ligand (9,9‐dimethyl‐9H‐xanthene‐4,5‐diyl) bis (diphenylphosphineoxide) (XPO) is prepared as a neutral ligand to synthesize complex Nd (TTA)3 (XPO) (TTA = 2‐thenoyltrifluoroacetone). An appropriate energy gap between the XPO and TTA ligands, which can support two additional energy transfer routines from the first excited triplet state (T1) energy level of the XPO to that of...
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