Archivio Istituzionale della RicercaIn this work we investigate a tunable 850nm laser based on a hybrid combination of a liquid crystal micro-cell and a half GaAs VCSEL. The target application is optical coherence tomography. The inherent tolerances of the hybrid technology, the presence of metals in the cavity and the need for a pure extraordinary mode lasing make challenging the optical design of this laser. Hence, VELM, a full 3D and vectorial VCSEL optical solver, is utilized to understand loss mechanisms and provide an optimized design.
Optical Design Issues in Electrically Pumped Tunable Liquid-Crystal VCSELs / Simaz, Andrea; Tibaldi, Alberto; Boisnard, Benjamin; Camps, Thierry; Bertazzi, Francesco; Goano, Michele; Reig, Benjamin; Doucet, Jean-Baptiste; Bardinal, Veronique; Debernardi, Pierluigi. - ELETTRONICO. - (2020), pp. 69-70. (Intervento presentato al convegno 20th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2020) tenutosi a Online conference nel September 2020) [10.1109/NUSOD49422.2020.9217717].
Optical Design Issues in Electrically Pumped Tunable Liquid-Crystal VCSELs
Tibaldi, Alberto;Bertazzi, Francesco;Goano, Michele;
2020
Abstract
In this work we investigate a tunable 850nm laser based on a hybrid combination of a liquid crystal micro-cell and a half GaAs VCSEL. The target application is optical coherence tomography. The inherent tolerances of the hybrid technology, the presence of metals in the cavity and the need for a pure extraordinary mode lasing make challenging the optical design of this laser. Hence, VELM, a full 3D and vectorial VCSEL optical solver, is utilized to understand loss mechanisms and provide an optimized design.
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2020Simaz_NUSOD.1.pdf
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https://hdl.handle.net/11583/2848445