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8/7/2019 Quantum Teleoperation
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QUANTUMQUANTUM
TELEPORTATIONTELEPORTATIONThe science fiction dream ofThe science fiction dream of
beaming of objects from place tobeaming of objects from place toplace is now a reality.place is now a reality.
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WHAT IS QUANTUM ?WHAT IS QUANTUM ?
QUANTUM is a discrete amount ofQUANTUM is a discrete amount of
something that is analogous to thesomething that is analogous to the
quantities according to QUANTUMquantities according to QUANTUM
THEORY.THEORY.
QUANTUM is the smallest discreteQUANTUM is the smallest discrete
quantity of some physical property that aquantity of some physical property that a
system can possess according to PHYSICS.system can possess according to PHYSICS.
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WHAT IS TELEPORTATION ?WHAT IS TELEPORTATION ?
TELEPORTATION is transmission of lifeTELEPORTATION is transmission of life--size imagesize image
of a person to appear within a room at a distantof a person to appear within a room at a distant
location where the person has a telepresence inorderlocation where the person has a telepresence inorder
to create face to face communication.to create face to face communication.
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TELEPORTATION IS OF 2 TYPESTELEPORTATION IS OF 2 TYPES
QUANTUM teleportationQUANTUM teleportation
Quantum teleportation allowsQuantum teleportation allowsquantum bits or qubits to bequantum bits or qubits to be
stored before and afterstored before and after
teleportation so that quantumteleportation so that quantum
computers can processcomputers can process
information, move it to ainformation, move it to adifferent part of thedifferent part of the
computer.computer.
DIGITAL teleportationDIGITAL teleportation
Digital teleportation is 3Digital teleportation is 3--DDvideo conferencing.video conferencing.
Image is 3Image is 3--D. Eye to eye contactD. Eye to eye contact
can be made inorder to holdcan be made inorder to hold
true 2true 2--way conversation.way conversation.
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DIFFERENCE BETWEENDIFFERENCE BETWEEN
TELEPORTATION AND VIDEOTELEPORTATION AND VIDEO
CONFERENCINGCONFERENCING
In video conferencing the interaction is with a 2DIn video conferencing the interaction is with a 2D--
image.image.
But using teleportation, a life size 3D image of aBut using teleportation, a life size 3D image of a
person can be used for communicating.person can be used for communicating.
Sense of presence is missing in video conferencingSense of presence is missing in video conferencing
which is not the case for teleportation.which is not the case for teleportation.
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WHAT IS QUANTUMWHAT IS QUANTUM
TELEPORTATION ?TELEPORTATION ?In Quantum Teleportation (QT) a unknownIn Quantum Teleportation (QT) a unknown
quantum state is faithfully transferred from aquantum state is faithfully transferred from asender to a receiver. To performsender to a receiver. To perform teleportationteleportation
sender and receiver must have classicalsender and receiver must have classical
communication channel and must also sharecommunication channel and must also share
quantum entanglement. Input state is destroyedquantum entanglement. Input state is destroyed
so that teleportation does not result in cloning ofso that teleportation does not result in cloning of
Quantum state.Quantum state.
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PHENOMENON USED IN QT ?PHENOMENON USED IN QT ?
Teleportation is based on a strange phenomenon ofTeleportation is based on a strange phenomenon ofentanglement (ENTANGLEMENT means deep involvemententanglement (ENTANGLEMENT means deep involvementin some complicated task) which links the particles regardlessin some complicated task) which links the particles regardless
of the distance between them . Teleportation requires 3of the distance between them . Teleportation requires 3particles :particles :
2 are entangled amongst which one is held by the receiver and2 are entangled amongst which one is held by the receiver andthe other is sent to the sender.the other is sent to the sender.
Third particle is teleported when the sender brings it intoThird particle is teleported when the sender brings it intocontact the entangled pair and measures both particles, whichcontact the entangled pair and measures both particles, whichtransfers the quantum information of the third particle to thetransfers the quantum information of the third particle to theentangled particle and in process destroys the original .entangled particle and in process destroys the original .
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DISCOVERYDISCOVERYAnton Zeilinger of the University of Vienna usedAnton Zeilinger of the University of Vienna used
the technologythe technology quantum teleportationquantum teleportation to transferto transfer
information between two islands more than 87 milesinformation between two islands more than 87 milesapart, breaking the previous record .apart, breaking the previous record .
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PRINCIPLE OF QTPRINCIPLE OF QT
ALICE has particle 1.ALICE has particle 1.
ALICE and BOB share EPRALICE and BOB share EPRpair.pair.
ALICE performs BSM causingALICE performs BSM causingentanglement between photon 1entanglement between photon 1and 2.and 2.
ALICE sends classicalALICE sends classicalinformation to BOB.information to BOB.
BOB performs unitaryBOB performs unitarytransformation.transformation.
Teleporting the state not theTeleporting the state not theparticle.particle.
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CHALLENGESCHALLENGES
TransferTransfer two nontwo non--commuting operatorscommuting operators from onefrom one
system onto another.system onto another. Transfer anTransfer an unknown quantum stateunknown quantum state from one systemfrom one system
onto anotheronto another
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ADVANTAGESADVANTAGES
Actual face to face communication can take placeActual face to face communication can take place
Eye contact can be establishedEye contact can be established
Gives a sense of presenceGives a sense of presence
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DISADVANTAGESDISADVANTAGES
Expensive systemExpensive system
DevelopmentDevelopment
Very complicated concept as it is mainly based on theVery complicated concept as it is mainly based on theconcept ofconcept of Quantum MechanicsQuantum Mechanics
Not completely reliableNot completely reliable
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APPLICATIONSAPPLICATIONS
Distance learningDistance learning
Corporate communicationCorporate communication
BankingBanking Legal ProfessionLegal Profession
Promotional events and entertainmentPromotional events and entertainment
Counter reception servicesCounter reception services
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CONCLUSIONCONCLUSION
Quantum Teleportation is deduced from the basicQuantum Teleportation is deduced from the basic
principles of Quantum Mechanics.principles of Quantum Mechanics.
Quantum Teleportation has been an excellentQuantum Teleportation has been an excellenttechnology.technology.
After more than 10 to 15 years of studies both itsAfter more than 10 to 15 years of studies both its
application effectiveness and theoretical groundingsapplication effectiveness and theoretical groundings
have been demonstrated making QT one of thehave been demonstrated making QT one of the
successful technology.successful technology.
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THANKYOU..THANKYOU..