Abstract
The information rates achievable with a photon-gas model of electromagnetic radiation are studied. At any
frequency, information rates over the photon-gas model essentially coincide with the Shannon capacity when
the signal-to-noise ratio is below a threshold. Only above the threshold does the photon gas incur in a
significant loss in information rates; the loss can amount to half of the capacity. The threshold exceeds 40 dB
for radio frequencies and vanishes at higher frequencies.
| Original language | English |
|---|---|
| Article number | 032116 |
| Pages (from-to) | 032116-1/7 |
| Number of pages | 7 |
| Journal | Physical Review A: Atomic, Molecular and Optical Physics |
| Volume | 77 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2008 |
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