Short infrared wavelength quantum cascade detectors based on non-polar ZnO/ZnMgO quantum wells

Arnaud Jollivet; François H. Julien; Borislav Hinkov; Stefano Pirotta; Sophie Derelle; Julien Jaeck; Maria Tchernycheva; Raffaele Colombelli; Adel Bousseksou; Maxime Hugues; Nolwenn Le Biavan; Julen Tamayo-Arriola; Miguel Montes Bajo; Gottfried Strasser; Jean-Michel Chauveau; Adrian Hierro

doi:10.1117/12.2507768

1 March 2019 Short infrared wavelength quantum cascade detectors based on non-polar ZnO/ZnMgO quantum wells

Arnaud Jollivet, François H. Julien, Borislav Hinkov, Stefano Pirotta, Sophie Derelle, Julien Jaeck, Maria Tchernycheva, Raffaele Colombelli, Adel Bousseksou, Maxime Hugues, Nolwenn Le Biavan, Julen Tamayo-Arriola, Miguel Montes Bajo, Gottfried Strasser, Jean-Michel Chauveau, Adrian Hierro

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Proceedings Volume 10919, Oxide-based Materials and Devices X; 1091919 (2019) https://doi.org/10.1117/12.2507768
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

We report on the first demonstration of quantum cascade detectors based on ZnO/ZnMgO quantum wells grown by molecular beam epitaxy on an m-plane ZnO substrate. The sample is processed in the form of square mesas with special attention paid to the passivation of the side facets. Photocurrent spectroscopy reveals a resonance at 2.8 μm wavelength slightly blue-shifted with respect to the intersubband absorption peak at 3 μm wavelength. The photocurrent persists up to room temperature. The peak responsivity amounts to 0.15 mA/W under irradiation at Brewster’s angle of incidence of the top surface of the mesas.

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Arnaud Jollivet, François H. Julien, Borislav Hinkov, Stefano Pirotta, Sophie Derelle, Julien Jaeck, Maria Tchernycheva, Raffaele Colombelli, Adel Bousseksou, Maxime Hugues, Nolwenn Le Biavan, Julen Tamayo-Arriola, Miguel Montes Bajo, Gottfried Strasser, Jean-Michel Chauveau, and Adrian Hierro "Short infrared wavelength quantum cascade detectors based on non-polar ZnO/ZnMgO quantum wells", Proc. SPIE 10919, Oxide-based Materials and Devices X, 1091919 (1 March 2019); https://doi.org/10.1117/12.2507768

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