High-Responsivity Germanium on Silicon Photodetectors Using FDTD for High-Speed Optical Interconnects
Sign Up to like & getrecommendations! Published in 2018 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-017-2866-7
Abstract: In the last decade, an extensive progress on the research front has been seen in the field of high-performance Germanium on Silicon photodetectors. These detectors exhibit high responsivities for the near infrared region and are… read more here.
Keywords: high responsivity; silicon photodetectors; silicon; responsivity ... See more keywords
Wafer scale epitaxial germanium on silicon (0 0 1) using pulsed laser annealing
Sign Up to like & getrecommendations! Published in 2020 at "Materials Letters"
DOI: 10.1016/j.matlet.2020.129208
Abstract: Abstract Pulsed Nd:YAG (1064 nm) laser was used to crystallize amorphous germanium thin-films on silicon (001) wafer to get epitaxial Ge. Film thickness and laser fluence played a crucial role. Thicker films (≥300 nm) are… read more here.
Keywords: laser; scale epitaxial; germanium; germanium silicon ... See more keywords
Germanium-on-silicon waveguides operating at mid-infrared wavelengths up to 8.5 μm.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.027431
Abstract: We report transmission measurements of germanium on silicon waveguides in the 7.5-8.5 μm wavelength range, with a minimum propagation loss of 2.5 dB/cm at 7.575 μm. However, we find an unexpected strongly increasing loss at… read more here.
Keywords: waveguides operating; operating mid; silicon waveguides; silicon ... See more keywords
Mid-IR sensing platform for trace analysis in aqueous solutions based on a germanium-on-silicon waveguide chip with a mesoporous silica coating for analyte enrichment.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.399646
Abstract: A novel platform based on evanescent wave sensing in the 6.5 to 7.5 µm wavelength range is presented with the example of toluene detection in an aqueous solution. The overall sensing platform consists of a… read more here.
Keywords: germanium silicon; silicon waveguide; sensing platform; mesoporous silica ... See more keywords
Whispering gallery germanium-on-silicon photodetector.
Sign Up to like & getrecommendations! Published in 2017 at "Optics letters"
DOI: 10.1364/ol.42.002878
Abstract: We design and demonstrate, to the best of our knowledge, the first whispering gallery germanium-on-silicon photodetector with evanescent coupling from a silicon bus waveguide in a CMOS-compatible process. The small footprint (63.6 μm2), high responsivity (∼1.04 A/W… read more here.
Keywords: silicon photodetector; germanium silicon; silicon; whispering gallery ... See more keywords
Three-electrode germanium-on-silicon avalanche photodiode array.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.477463
Abstract: In this Letter, we report a bridge-connected three-electrode germanium-on-silicon (Ge-on-Si) avalanche photodiode (APD) array compatible with the complementary metal-oxide semiconductor (CMOS) process. In addition to the two electrodes on the Si substrate, a third electrode… read more here.
Keywords: electrode; electrode germanium; germanium silicon; avalanche photodiode ... See more keywords
Peculiarities of the 7 × 7 to 5 × 5 Superstructure Transition during Epitaxial Growth of Germanium on Silicon (111) Surface
Sign Up to like & getrecommendations! Published in 2023 at "Nanomaterials"
DOI: 10.3390/nano13020231
Abstract: This paper presents the results of studying the processes of epitaxial growth of germanium on silicon with crystallographic orientation (111) in a wide temperature range. The temperature dependences of the duration of the transition stage… read more here.
Keywords: growth germanium; growth; epitaxial growth; germanium silicon ... See more keywords