Journal
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume 24, Issue 6, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTQE.2018.2818465
Keywords
Optical waveguides; integrated optics; infrared measurements; spectroscopy
Categories
Funding
- project IAMICA [PONa3_00363]
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Integrated hollow-core antiresonant reflecting optical waveguides are designed and analyzed for mid-infrared propagation. With a proper selection of waveguide materials and geometry, low loss propagation lower than 1.5 dB/cm in the whole 2.5-14 mu m range could be achieved. Single-mode waveguides, with a modal purity above 95% after propagation lengths of few millimeters, have been designed at 4 and 9 mu m. The waveguides could be realized using fabrication andmaterials fully compatiblewith standard Silicon technology, enabling the chip-scale integration of Mid-IR devices for gas sensing applications.
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