Research Highlights Internet Benefits of Quantum-Enabled Communications.
Laser light is utilized on the Internet to deliver signals to their intended locations.
Such optical connections made broadband accessible and allowed for the creation of the global Internet.
However, the optical backbone for international networks is getting close to a "capacity crunch" due to the transfer of massive volumes of data.
Energy and bandwidth efficiency optimization of quantum-enabled optical communication channels, published in Nature's npj Quantum Information, describes how NIST, University, and Joint Quantum Institute researchers demonstrated a potentially more effective method of performing optical communications to help solve this issue.
Researchers compared existing optical communications to quantum-enabled optical communications.
Three alternative quantum-enabled laser pulse modulations that were designed to be energy and bandwidth effective were created by researchers.
Researchers sent messages with varied alphabetic letter lengths using these modulations in a testbed created specifically for this experiment.
These were sent to a quantum receiver, which continually gauges the message's dependability and fixes any flaws.
The three laser pulse modulations were then evaluated for message precision, energy efficiency, and bandwidth efficiency, and compared to the state-of-the-art optical communications.
Researchers discovered that extended message transmission using quantum-enhanced optical communications demonstrated a considerable advantage over optical communications today.
The "hybrid frequency-phase shift keying" (HFPSK) technique outperformed the other two quantum-enabled laser pulse modulations in terms of lengthy message accuracy as well as energy and bandwidth efficiency.
Researchers hope that their findings will further knowledge of the characteristics of the quantum measurement as well as the creation of optical communication systems that can use quantum technology.
~ Jai Krishna Ponnappan.
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References And Further Reading:
Jabir, M.V., Annafianto, N.F.R., Burenkov, I.A. et al. Energy and bandwidth efficiency optimization of quantum-enabled optical communication channels. npj Quantum Inf 8, 63 (2022). https://doi.org/10.1038/s41534-022-00573-9