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Lorcán O. Conlon on Muck Rack

Lorcán O. Conlon

As seen in: Nature, MDPI, The Conversation, Physical Review B, Australasian Science, Daily Bulletin AU, johansen.se
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Articles

Enhanced continuous-variable quantum key distribution protocol via adaptive signal processing - Communications Physics

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By Özlem Erkılıç, Biveen Shajilal, Lorcán O. Conlon, Aritra Das, Ping Koy Lam
| Nature Verified
Abstract Quantum key distribution (QKD) provides secure communication using quantum mechanics, with continuous-variable QKD (CV-QKD) being an attractive solution due to its compatibility with existing telecommunication technology. Its main drawback is susceptibility to signal loss in fibres and free-space links, including satellites, which limits performance.
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Comparison of estimation limits for quantum two-parameter estimation

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By Lorcán O. Conlon, Jie Zhao, Ping Koy Lam, Simon K. Yung
| Physical Review B
Measurement estimation bounds for local quantum multiparameter estimation, which provide lower bounds on possible measurement uncertainties, have so far been formulated in two ways: by extending the classical Cramér-Rao bound (e.g., the quantum Cramér-Rao bound and the Nagaoka Cramér-Rao bound) and by incorporating the parameter estimation framework with the uncertainty principle, as in the Lu-Wang uncertainty relation.
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Verifying the security of a continuous variable quantum communication protocol via quantum metrology - npj Quantum Information

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By Lorcán O. Conlon, Biveen Shajilal, Jie Zhao, Ping Koy Lam
| Nature Verified
Abstract Quantum mechanics offers the possibility of unconditionally secure communication between multiple remote parties. Security proofs for such protocols typically rely on bounding the capacity of the quantum channel in use. In a similar manner, Cramér-Rao bounds in quantum metrology place limits on how much information can be extracted from a given quantum state about some unknown parameters of interest. In this work we establish a connection between these two areas.
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