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Photonic Quantum Computing
Chromatic interferometry with small frequency differences
arXiv
Authors: Luo-Yuan Qu, Lu-Chuan Liu, Jordan Cotler, Fei Ma, Jian-Yu Guan, Ming-Yang Zheng, Quan Yao, Xiu-Ping Xie, Yu-Ao Chen, Qiang Zhang, Frank Wilczek, Jian-Wei Pan
Year
2020
Paper ID
20629
Status
Preprint
Abstract Read
~2 min
Abstract Words
63
Citations
N/A
Abstract
By developing a `two-crystal' method for color erasure, we can broaden the scope of chromatic interferometry to include optical photons whose frequency difference falls outside of the 400 nm to 4500 nm wavelength range, which is the passband of a PPLN crystal. We demonstrate this possibility experimentally, by observing interference patterns between sources at 1064.4 nm and 1063.6 nm, corresponding to a frequency difference of about 200 GHz.
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- This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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- By developing a `two-crystal' method for color erasure, we can broaden the scope of chromatic interferometry to include optical photons whose frequency difference falls outside...
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