Narrow and Stable Single Photon Emission from Dibenzoterrylene in para-Terphenyl Nanocrystals.
Narrow and Stable Single Photon Emission from Dibenzoterrylene in para-Terphenyl Nanocrystals.
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对三联苯纳米晶体中二苯并三联苯的窄且稳定的单光子发射。
DOI:
10.1002/cphc.202100809
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发表时间:
2022-02-16
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影响因子:
--
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文献类型:
--
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Single organic molecules are promising photon sources for quantum technologies. In this work we show photon emission from dibenzoterrylene, a widely used organic emitter, in a new host matrix, para‐terphenyl. We present a reprecipitation growth method that produces para‐terphenyl nanocrystals which are ideal for integration into nanophotonic devices due to their small size. We characterise the optical properties of dibenzoterrylene in nanocrystals at room and cryogenic temperatures, showing bright, narrow emission from a single molecule. Spectral data on the vibrational energies is presented and a further 25 additional molecules are characterised. This emitter‐host combination has potential for quantum technology purposes with wavelengths suitable for interfacing with quantum memories. The efficient generation of single photons for quantum technology is an area of high interest. This work presents a novel single organic molecule emitter and host combination, dibenzoterrylene (DBT) in para‐terphenyl. The electronic and vibrational transition energies of DBT in this environment are measured and bright, stable and narrow single photon emission is demonstrated for 26 separate DBT molecules at cryogenic temperatures.
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