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Photonic Quantum Computing
Parasitic erbium photoluminescence in commercial telecom fiber optical components
arXiv
Authors: Gary Wolfowicz, F. Joseph Heremans, David D. Awschalom
Year
2021
Paper ID
62374
Status
Preprint
Abstract Read
~2 min
Abstract Words
84
Citations
N/A
Abstract
Noiseless optical components are critical for applications ranging from metrology to quantum communication. Here we characterize several commercial telecom C-band fiber components for parasitic noise using a tunable laser. We observe the spectral signature of trace concentrations of erbium in all devices from the underlying optical crystals including YVO4, LiNbO3, TeO2 and AMTIR glass. Due to the long erbium lifetime, these signals are challenging to mitigate at the single photon level in the telecom range, and suggests the need for higher purity optical crystals.
Why This Paper Matters
- This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
- It adds a 2021 reference point for readers tracking recent quantum research.
- Noiseless optical components are critical for applications ranging from metrology to quantum communication.
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