Photonic band edge assisted spontaneous emission enhancement from all Er3+ 1-D photonic band gap structure
Source abstract
Abstract
All Er3+ doped dielectric 1-D Photonic Band Gap Structure was fabricated by rf-sputtering technique. The structure was constituted by of twenty pairs of SiO2/TiO2 alternated layers doped with Er3+ ions. The scanning electron microscopy was used to check the morphology of the structure. Transmission measurements put in evidence the stop band in the range 1500 nm-1950 nm. The photoluminescence measurements were obtained by optically exciting the sample and detecting the emitted light in the 1.5 ?m region at different detection angles. Luminescence spectra and luminescence decay curves put in evidence that the presence of the stop band modify the emission features of the Er3+ ions.
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Research context
OpenAlex topics: Photonic Crystals and Applications · Photonic and Optical Devices · Nonlinear Optical Materials Studies
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References (28)
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