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DESCRIPTION:Improving information transmission using correlated auxiliary noise\n\nCommunicating information is a fundamentally important task that is often limited by noise. The physical origin of noise in a quantum channel is an interaction between the transmitted system and its surrounding environment. This interaction leads to correlations between the system and its environment that contain information about the original state\, but are inaccessible to the receiver. However\, a receiver may be able to recover some of this lost information if they are given access to an additional auxiliary system that interacts with the environment. In this talk\, I will formalize a particular type of receiver side information and characterize the resulting improvement in classical and quantum channel capacities for an augmented bit flip channel. I will then discuss information-theoretic bounds on imperfect one-time pad cryptography schemes and passive environment-assisted quantum channel capacities.
X-ALT-DESC;FMTTYPE=text/html:<h3>Improving information transmission using correlated auxiliary noise</h3>Communicating information is a fundamentally important task that is often limited by noise. The physical origin of noise in a quantum channel is an interaction between the transmitted system and its surrounding environment. This interaction leads to correlations between the system and its environment that contain information about the original state, but are inaccessible to the receiver. However, a receiver may be able to recover some of this lost information if they are given access to an additional auxiliary system that interacts with the environment. In this talk, I will formalize a particular type of receiver side information and characterize the resulting improvement in classical and quantum channel capacities for an augmented bit flip channel. I will then discuss information-theoretic bounds on imperfect one-time pad cryptography schemes and passive environment-assisted quantum channel capacities.
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SUMMARY:IQC Student Seminar Featuring Evan Peters
DTSTART;TZID=America/New_York:20240717T120000
DTEND;TZID=America/New_York:20240717T130000
DTSTAMP:20260419T052428Z
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STATUS:CONFIRMED
SEQUENCE:0
LOCATION:QNC 1201
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