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Authors: M. Muneeb, A. Vasiliev, A. Ruocco, A. Malik, H. Chen, M. Nedeljkovic, J. S. Penades, L. Cerutti, J.B. Rodriguez, G. Mashanovich, M. Smit, E. Tournie, G. Roelkens
Title: III-V-on-silicon integrated micro-spectrometer for the 3 um wavelength range
Format: International Journal
Publication date: 4/2016
Journal/Conference/Book: Optics Express
Volume(Issue): 24(9) p.9465-9472
DOI: 10.1364/oe.24.009465
Citations: 37 ( - last update: 14/7/2024)
36 (OpenCitations - last update: 27/6/2024)
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A compact (1.2 mm2) fully integrated mid-IR spectrometer is presented. The spectrometer is based on a silicon-on-insulator arrayed waveguide grating filter operating in the 3.8 μm wavelength range. An array of InAs0.91Sb0.09 p-i-n photodiodes is heterogeneously integrated on the spectrometer’s
output grating couplers using adhesive bonding. The
spectrometer insertion loss is less than 3 dB and the waveguide-referred responsivity of the integrated photodiodes at room temperature is 0.3 A/W.

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