Opto-electrical characterization of erbium-doped slot waveguides

Andrea Tengattini; Davide Gandolfi; Alessandro Marconi; Oleksiy Anopchenko; Nikola Prtljaga; Joan Manel Ramirez; Federico Ferrarese Lupi; Yonder Berencen; Daniel Navarro Urrios; Blas Garrido; Jean-Marc Fedeli; Pierrette Rivallin; Kavita Surana; Lorenzo Pavesi

doi:10.1117/12.922695

11 May 2012 Opto-electrical characterization of erbium-doped slot waveguides

Andrea Tengattini, Davide Gandolfi, Alessandro Marconi, Oleksiy Anopchenko, Nikola Prtljaga, Joan Manel Ramirez, Federico Ferrarese Lupi, Yonder Berencen, Daniel Navarro Urrios, Blas Garrido, Jean-Marc Fedeli, Pierrette Rivallin, Kavita Surana, Lorenzo Pavesi

Author Affiliations +

Proceedings Volume 8431, Silicon Photonics and Photonic Integrated Circuits III; 843118 (2012) https://doi.org/10.1117/12.922695
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

The convergence of photonics and microelectronics within a single chip is still lacking of a monolithical on-chip optical amplifier. Rare-earth doped slot waveguides show a large potential as on-chip source. Slot waveguides with silicon nanocrystals embedded in a dielectric host matrix can increase the light confinement in the active layer and allow electrical injection. In this work, horizontal slot waveguides formed by two thick silicon layers separated by a thin erbium doped silicon rich silicon oxide layer are studied as on-chip optical amplifiers. The waveguides are grown in a CMOS line with the active material grown by low-pressure chemical vapor deposition. Optical tests are performed and light propagation in the slot waveguides is observed. Using the cut-back technique, spectra propagation losses are evaluated. Room temperature electroluminescence is observed at 1.54 μm. Transmitted optical signal resonant with Er absorption is studied as a function of the injected current for different probing laser wavelengths.

Citation Download Citation

Andrea Tengattini, Davide Gandolfi, Alessandro Marconi, Oleksiy Anopchenko, Nikola Prtljaga, Joan Manel Ramirez, Federico Ferrarese Lupi, Yonder Berencen, Daniel Navarro Urrios, Blas Garrido, Jean-Marc Fedeli, Pierrette Rivallin, Kavita Surana, and Lorenzo Pavesi "Opto-electrical characterization of erbium-doped slot waveguides", Proc. SPIE 8431, Silicon Photonics and Photonic Integrated Circuits III, 843118 (11 May 2012); https://doi.org/10.1117/12.922695

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