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VERSION:2.0
PRODID:Icfo
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BEGIN:VEVENT
UID:6abfa9e504b69
DTSTART:20261001T130000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20261001T133000Z
LOCATION:Seminar Room
SUMMARY:ICFO | TAMAL GUHA
CLASS:PUBLIC
DESCRIPTION:Demultiplexers are the fundamental primitives of network archit
 ecture\, enabling perfect routing of an input classical signal to a design
 ated one\, among multiple output ports. Quantum transmission lines\, havin
 g access to the quantum systems directly\, are able to transmit both the c
 lassical and quantum information encoded in quantum systems. A natural que
 stion therefore emerges that whether the scrambled classical and quantum i
 nformation in a quantum system can be perfectly demultiplexed in the desig
 nated classical and quantum output ports? In this talk\, I will first answ
 er this question by introducing a quantum to quantum-classical device\, na
 mely the quantum demultiplexer (Q-DEMUX). Then I will characterize the cla
 ss of Q-DEMUXs enabling perfect routing of both the classical and the quan
 tum information along with their simple circuit realizations. A stronger v
 ariant of Q-DEMUXs will also be discussed\, where the sender is oblivious 
 regarding the nature of the data to be transmitted. Finally\, I will concl
 ude by highlighting an explicit connection between the strength of a Q-DEM
 UX with the incompatibility of quantum instruments.
DTSTAMP:20261002T125605Z
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