Solid-State Quantum Light Sources

Our research in quantum defects focuses on creating and characterizing precisely defined quantum emitters in nanomaterials based on functionalization engineering. We explore both single-walled carbon nanotubes and atomically thin layers, with particular emphasis on organic color centers and quantum emitters in hexagonal boron nitride.

Deterministic Formation of Single Organic Color Centers in Carbon Nanotubes featured image

Deterministic Formation of Single Organic Color Centers in Carbon Nanotubes

Development of deterministic single-molecule modification method for controlled formation of quantum emitters in carbon nanotubes, achieving position, number, and wavelength …

Quantum emitters in hexagonal boron nitride featured image

Quantum emitters in hexagonal boron nitride

optical micrograph and photoluminescence image of hBN. © 2023 IOP Publishing Ltd Our research group has investigated Discretized Hexagonal Boron Nitride Quantum Emitters and Their …

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Daichi Kozawa
Formation of organic color centers in pristine carbon nanotubes featured image

Formation of organic color centers in pristine carbon nanotubes

A schematic (left) and an electron micrograph (right) of a tube after the functionalization. Our research group has demonstrated the Formation of Organic Color Centers in …

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Daichi Kozawa