Carbon nanotube optics provide optical-based quantum cryptography and quantum computing

ScienceDaily | 6/18/2018 | Staff
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"We are particularly interested in advances in nanotube integration into photonic cavities for manipulating and optimizing light-emission properties," said Stephen Doorn, one of the authors, and a scientist with the Los Alamos National Laboratory site of the Center for Integrated Nanotechnologies (CINT). "In addition, nanotubes integrated into electroluminescent devices can provide greater control over timing of light emission and they can be feasibly integrated into photonic structures. We are highlighting the development and photophysical probing of carbon nanotube defect states as routes to room-temperature single photon emitters at telecom wavelengths."

The team's overview was produced in collaboration with colleagues in Paris (Christophe Voisin) who are advancing the integration of nanotubes into photonic cavities for modifying their emission rates, and at Karlsruhe (Ralph Krupke) where they are integrating nanotube-based electroluminescent devices with photonic waveguide structures. The Los Alamos focus is the analysis of nanotube defects for pushing quantum emission to room temperature and telecom wavelengths, he said.

Paper - Notes - Advent - Information - Networks

As the paper notes, "With the advent of high-speed information networks, light has become the main worldwide information carrier....
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