Quantum Teleoperation

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..

Quantum Teleoperation

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