a trapped-atom quantum memory (PDF) - MIT

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QUANTUM STATE AFTER THE TRANSFER BEFORE TRANSFER |ψ 23 >={|a> 2 |b> 3 - |b> 2 |a> 3 }/√2 |ϕ 1 > ={α|c> 1 +β|a> 1 } 2 3 AFTER TRANSFER a c b d a c b d |ψ 1 > = |c> 1 |φ 23 >={|A + >(α|b 3 >+β|a 3 >) + |A - >(α|b 3 >-β|a 3 >) + |B + >(β|b 3 >+α|a 3 >)+ | B - >(-β|b 3 >+α|a 3 >)}/2 a b BELL STATES c d |A ± >={|c 2 >±|b 2 >}/√2, |B ± >={|d 2 >±|a 2 >}/√2. 1
ROTATE SUPERPOSITION-BASIS BELL STATES INTO PURE-BASIS BELL STATES π/2 pulses a b a b c d c d 2 2 OLD BELL STATES |A + >=|c 2 >+|b 2 > |A - >=|c 2 >-|b 2 > |B + >=|d 2 >+|a 2 > |B - >=|d 2 >-|a 2 >. NEW BELL STATES |a + >=|c 2 > |a - >=|b 2 > |b + >=|d 2 > |b - >=|a 2 >.
Page 1 and 2: TELEPORTATION OF A QUANTUM STATE US
Page 3 and 4: TELEPORTATION: WHAT |ψ> = α |↑>
Page 5 and 6: |Φ> = α |↑> + β |↓> ALICE |
Page 7 and 8: LASER-CONTROLLED SPIN EXCITATION RE
Page 9 and 10: 2 − = ( Ω a − Ω b )/ Ω + Ω
Page 11 and 12: COHERENCE TRANSFER VIA CAVITY QED A
Page 13 and 14: ADIABATIC COHERENCE TRANSFER VIA CA
Page 15 and 16: EXPLICIT SCHEME IN 87 RB C B D A
Page 17 and 18: ATOM 1 IN ARBITRARY STATE: TO BE TE
Page 19: TRANSFER STATES OF 1 AND 2 INTO 2 O
Page 23 and 24: LOADING ATOMS INTO A FORT USING A F
Page 25 and 26: PHOTOGRAPH OF THE TRAP
Page 27: POSSIBLE REALIZATION OF BASIC TEST

a trapped-atom quantum memory (PDF) - MIT

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