Abstract
We report an experimental realization of Maxwell's demon in a photonic setup. We show that a measurement at the few-photons level followed by a feed-forward operation allows the extraction of work from intense thermal light into an electric circuit. The interpretation of the experiment stimulates the derivation of an equality relating work extraction to information acquired by measurement. We derive a bound using this relation and show that it is in agreement with the experimental results. Our work puts forward photonic systems as a platform for experiments related to information in thermodynamics.
| Original language | English |
|---|---|
| Article number | 050401 |
| Journal | Physical Review Letters |
| Volume | 116 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1 Feb 2016 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Funding
This work was supported by the UK Engineering and Physical Sciences Research Council (Grant No. EPSRC EP/K034480/1). M. V. is supported by the Controlled Quantum Dynamics DTC. O. D. and V. V. are supported by EPSRC, the John Templeton Foundation, the Leverhulme Trust, the Oxford Martin School, the NRF (Singapore), the MoE (Singapore), and the EU Collaborative Project TherMiQ (Grant Agreement No. 618074). M. B. is supported by a Rita Levi-Montalcini fellowship of MIUR. M. S. K. is supported by EPSRC and the Royal Society.
Publisher's Copyright Statement
- This full text is made available under CC-BY 3.0. https://creativecommons.org/licenses/by/3.0/
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