12 June 2007 Rare-earth doped transparent nano-glass-ceramics: a new generation of photonic integrated devices
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We report on optical properties and prospect applications on rare-earth doped oxyfluoride precursor glass and ensuing nano-glass-ceramics. We find out the spectral optical gain of the nano-glass-ceramics and show that its flatness and breadth are advantageous as compared to contemporary used erbium doped optical amplifiers. We present the possibility of flat gain cross-section erbium doped waveguide amplifiers as short 'chip', all-optical, devices capable of dense wavelength division multiplexing, including the potential for direct writing of these devices inside bulk glasses for three-dimensional photonic integration. We carried out a comparative study of the up-conversion luminescence in Er3+-doped and Yb3+-Er3+-Tm3+ co-doped samples, which indicates that these materials can be used as green/red tuneable up-conversion phosphors and white light simulation respectively. Observed changes in the spectra of the up-conversion luminescence provide a tool for tuning the colour opening the way for producing 3-dimensional optical recording.
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Vicente Daniel Rodríguez-Armas, Vicente Daniel Rodríguez-Armas, Victor K. Tikhomirov, Victor K. Tikhomirov, Jorge Méndez-Ramos, Jorge Méndez-Ramos, Angel C. Yanes, Angel C. Yanes, Javier Del-Castillo, Javier Del-Castillo, David Furniss, David Furniss, Angela B. Seddon, Angela B. Seddon, "Rare-earth doped transparent nano-glass-ceramics: a new generation of photonic integrated devices", Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 65930O (12 June 2007); doi: 10.1117/12.722035; https://doi.org/10.1117/12.722035

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