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Title: Photophysics of Intrinsic Single‐Photon Emitters in Silicon Nitride at Low Temperatures

Journal Article · · Advanced Quantum Technologies

A robust process for fabricating intrinsic single-photon emitters in silicon nitride is recently established. These emitters show promise for quantum applications due to room-temperature operation and monolithic integration with technologically mature silicon nitride photonics platforms. Here, the fundamental photophysical properties of these emitters are probed through measurements of optical transition wavelengths, linewidths, and photon antibunching as a function of temperature from 4.2 to 300 K. Important insight into the potential for lifetime-limited linewidths is provided through measurements of inhomogeneous and temperature-dependent broadening of the zero-phonon lines. At 4.2 K, spectral diffusion is found to be the main broadening mechanism, while spectroscopy time series reveal zero-phonon lines with instrument-limited linewidths.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Purdue Univ., West Lafayette, IN (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1997776
Journal Information:
Advanced Quantum Technologies, Journal Name: Advanced Quantum Technologies Journal Issue: NA Vol. NA; ISSN 2511-9044
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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