New design of InGaAs guided-mode resonance photodiode for SWIR low dark current imaging

Michaël Verdun; Benjamin Portier; Katarzyna Jaworowicz; Julien Jaeck; Christophe Dupuis; Riad Haidar; Fabrice Pardo; Jean-Luc Pelouard

doi:10.1117/12.2227696

21 April 2016 New design of InGaAs guided-mode resonance photodiode for SWIR low dark current imaging

Michaël Verdun, Benjamin Portier, Katarzyna Jaworowicz, Julien Jaeck, Christophe Dupuis, Riad Haidar, Fabrice Pardo, Jean-Luc Pelouard

Author Affiliations +

Proceedings Volume 9884, Nanophotonics VI; 988435 (2016) https://doi.org/10.1117/12.2227696
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

We investigate a full-dielectric guided mode resonant photodiode. It has been designed to enhance the absorption by excitation of several resonances in the SWIR domain. The device consists of an InP/InGaAs/InP P-i-N heterojunction containing an active layer as thin as 90 nm on top of a subwavelength lamellar grating and a gold mirror. We successfully compared the electro-optical characterizations of individual pixels with electro-magnetic simulations. In particular, we observe near perfect collection of the photo-carriers and external quantum efficiency (EQE) of up to 71% around 1.55 μm. Moreover, compared with InGaAs resonator state-of-the-art detector, we show a broader spectral response in the 1.2-1.7 μm range, thus paving the way for SWIR low dark current imaging.

Citation Download Citation

Michaël Verdun, Benjamin Portier, Katarzyna Jaworowicz, Julien Jaeck, Christophe Dupuis, Riad Haidar, Fabrice Pardo, and Jean-Luc Pelouard "New design of InGaAs guided-mode resonance photodiode for SWIR low dark current imaging", Proc. SPIE 9884, Nanophotonics VI, 988435 (21 April 2016); https://doi.org/10.1117/12.2227696

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