Lifting the bandwidth limit of optical homodyne measurement with broadband parametric amplification
Standard homodyne detection is intrinsically limited by the electronic bandwidth of the photo-detectors. Here, the authors exploit parametric amplification to demonstrate sub-shot-noise optical quadrature measurement across a bandwidth of 55 THz.
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2018-02-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-018-03083-5 |