Silicon-on-insulator spectrometers with integrated GaInAsSb photodiodes for wide-band spectroscopy from 1510 to 2300 nm.
Eva Ryckeboer,Alban Gassenq,Muhammad Muneeb,Nannicha Hattasan,Shibnath Pathak,Laurent Cerutti,Jean-Baptiste Rodriguez,Eric Tournié,Wim Bogaerts,Roel Baets,Gunther Roelkens +10 more
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TLDR
Good performance of the miniature spectrometers over all operational wavelengths which paves the way to on-chip absorption spectroscopy in this wavelength range.Abstract:
We present a silicon-on-insulator (SOI) based spectrometer platform for a wide operational wavelength range. Both planar concave grating (PCG, also known as echelle grating) and arrayed waveguide grating (AWG) spectrometer designs are explored for operation in the short-wave infrared. In addition, a total of four planar concave gratings are designed to cover parts of the wavelength range from 1510 to 2300 nm. These passive wavelength demultiplexers are combined with GaInAsSb photodiodes. These photodiodes are heterogeneously integrated on SOI with benzocyclobutene (DVS-BCB) as an adhesive bonding layer. The uniformity of the photodiode characteristics and high processing yield, indicate a robust fabrication process. We demonstrate good performance of the miniature spectrometers over all operational wavelengths which paves the way to on-chip absorption spectroscopy in this wavelength range.read more
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Mid-infrared integrated photonics on silicon: a perspective
Hongtao Lin,Zhengqian Luo,Zhengqian Luo,Tian Gu,Lionel C. Kimerling,Kazumi Wada,Anuradha M. Agarwal,Juejun Hu +7 more
TL;DR: In this paper, a comprehensive survey on the state-of-the-art of key photonic devices such as waveguides, light sources, modulators, and detectors is presented.
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Expanding the Silicon Photonics Portfolio With Silicon Nitride Photonic Integrated Circuits
Abdul Rahim,Eva Ryckeboer,Ananth Subramanian,Stéphane Clemmen,Bart Kuyken,Ashim Dhakal,Ali Raza,Artur Hermans,Muhammad Muneeb,Sören Dhoore,Yanlu Li,Utsav D. Dave,Peter Bienstman,Nicolas Le Thomas,Gunther Roelkens,Dries Van Thourhout,Philippe Helin,Simone Severi,Xavier Rottenberg,Roel Baets +19 more
TL;DR: In this paper, the advantages and challenges associated with these two material platforms are discussed, and the case of dispersive spectrometers, which are widely used in various silicon photonic applications, is presented.
Journal ArticleDOI
Silicon and silicon nitride photonic circuits for spectroscopic sensing on-a-chip [Invited]
Ananth Subramanian,Eva Ryckeboer,Ashim Dhakal,Frédéric Peyskens,Aditya Malik,Bart Kuyken,Haolan Zhao,Shibnath Pathak,Alfonso Ruocco,Andreas De Groote,Pieter Wuytens,Daan Martens,François Leo,Weiqiang Xie,Utsav D. Dave,Muhammad Muneeb,Pol Van Dorpe,Joris Van Campenhout,Wim Bogaerts,Peter Bienstman,Nicolas Le Thomas,Dries Van Thourhout,Zeger Hens,Gunther Roelkens,Roel Baets +24 more
TL;DR: In this paper, the development of silicon and silicon nitride (Si3N4) integrated photonic integrated circuits for various spectroscopic sensing applications is presented, including waveguide-based absorption and Raman and surface enhanced Raman spectroscopy.
Journal ArticleDOI
High-performance and scalable on-chip digital Fourier transform spectroscopy
Derek Kita,Brando Miranda,David Favela,David Bono,Jérôme Michon,Hongtao Lin,Tian Gu,Juejun Hu +7 more
TL;DR: A digital architecture that uses switches to change the interferometer path lengths is introduced, enabling exponentially more spectral channels per circuit element and lower noise by leveraging a machine learning reconstruction algorithm.
Journal ArticleDOI
Optically pumped GeSn micro-disks with 16 % Sn lasing at 3.1 um up to 180K
V. Reboud,Alban Gassenq,Nicolas Pauc,J. Aubin,L. Milord,Q. M. Thai,Mathieu Bertrand,Kevin Guilloy,D. Rouchon,J. Rothman,T. Zabel,F. Armand Pilon,H. Sigg,A. Chelnokov,J.M. Hartmann,V. Calvo +15 more
TL;DR: In this article, the authors reported a longer emitted wavelength and a significant improvement in lasing temperature using higher Sn content GeSn layers of optimized crystalline quality, grown on graded Sn content buffers using Reduced Pressure CVD.
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