Exceptional points and dynamics of an asymmetric non-Hermitian two-level system
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DOI: 10.1103/physreva.98.042117
Abstract: We investigated a damped two-level system interacting with a circularly polarised light as described by an asymmetric non-hermitian Hamiltonian. This is a simple enough system to be studied analytically while complicated enough to exhibit a… read more here.
Keywords: two level; exceptional points; system; level system ... See more keywords
Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint.
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DOI: 10.1364/ol.476537
Abstract: Here we demonstrate a new, to the best of our knowledge, type of 3-dB coupler that has an ultra-broadband operational range from 1300 to 1600 nm with low fabrication sensitivity. The overall device size is 800… read more here.
Keywords: coupler; coupler 300; uniform directional; directional coupler ... See more keywords
Asymmetric Non-Fullerene Small Molecule Acceptor with Unidirectional Non-Fused π-Bridge and Extended Terminal Group for High-Efficiency Organic Solar Cells
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DOI: 10.3390/ijms231710079
Abstract: We designed and synthesized an asymmetric non-fullerene small molecule acceptor (NF-SMA) IDT-TNIC with an A–D–π–A structure, based on an indacenodithiophene (IDT) central core, with a unidirectional non-fused alkylthio-thiophene (T) π-bridge, and 2-(3-oxo-2,3-dihydro-1H-cyclopenta[b]naphthalen-1-ylidene)malononitrile (NIC) extended terminal… read more here.
Keywords: non; extended terminal; fullerene small; non fullerene ... See more keywords