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Engineering single photon emitters by ion implantation in diamond
Applied Physics Letters
|December 4, 2009
Summary
Researchers created single blue-emitting color centers in diamond using carbon ion implantation. These defects act as single photon sources, crucial for quantum cryptography and quantum technologies.
Area of Science:
- Quantum optics and materials science
- Solid-state physics and quantum information
Background:
- Diamond is a promising material for quantum technologies.
- Controlled creation of optically active defects is essential for quantum applications.
Purpose of the Study:
- To produce single color centers emitting in the blue spectral region in diamond.
- To characterize these defects as potential single photon sources for quantum applications.
Main Methods:
- High energy carbon ion implantation into diamond.
- Optical characterization of the fabricated defects.
- Photon statistics measurements to confirm single photon emission.
Main Results:
- Successfully produced single color centers emitting in the blue spectral region (470.5 nm).
- Demonstrated sub-Poissonian statistics of emitted photons, confirming single photon source behavior.
- Identified the defect as the interstitial-related TR12 color center.
Conclusions:
- The TR12 color center in diamond is a viable single photon source for quantum technologies.
- Controlled fabrication of these defects is key for advancing quantum computing and communication.
