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Published in 2020 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2020.128790
Abstract: Abstract An efficient synthesis of tetrahydroquinolines using silica iodide as heterogeneous catalyst. Ethyl acetoacetate, dimedone, ammonium acetate with suitable aromatic aldehydes in ethanol was reported. Silica iodide (SiO2–I) acts as an efficient heterogeneous catalyst to…
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Keywords:
silica iodide;
iodide heterogeneous;
catalyst;
heterogeneous catalyst ... See more keywords
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Published in 2020 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2019.105837
Abstract: Abstract An asymmetric Mach-Zehnder interferometer (AMZI) which comprised a variable optical attenuator (VOA), a thermo-optic phase modulator (TOPM) and a delay line of 740 ps was designed and fabricated using silica-based planar lightwave circuit technology. Two…
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Keywords:
phase;
interference;
single photon;
photon interference ... See more keywords
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Published in 2022 at "Applied optics"
DOI: 10.1364/ao.474962
Abstract: A 90° optical hybrid (OH) based on a 4×4 multimode interference (MMI) coupler is characterized and analyzed using the silica-based planar light circuit. The OH is designed to be polarization-insensitive with an extremely low polarization-dependent…
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Keywords:
using silica;
silica based;
polarization;
polarization insensitive ... See more keywords