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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Published on: April 4, 2017

Near-infrared Hong-Ou-Mandel interference on a silicon quantum photonic chip

Xinan Xu1, Zhenda Xie, Jiangjun Zheng

  • 1Optical Nanostructures Laboratory, Center for Integrated Science and Engineering, Solid-State Science and Engineering, and Mechanical Engineering, Columbia University, New York, New York 10027, USA.

Optics Express
|March 14, 2013
PubMed

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IR Absorption Frequency: Hybridization01:21

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Hydrocarbons such as alkanes, alkenes, and alkynes show characteristic C–H stretching absorption bands. These IR stretching frequencies depend on the hybridization of the involved carbon atom and can be explained in terms of the s character of each hybridized atomic orbital.
Among the sp, sp2, and sp3 hybridized orbitals, sp orbitals have the maximum s character (50%). Consequently, the electrons are held more closely to the nucleus, resulting in stronger and shorter C–H bonds that stretch at a...