SLIDE 1
Quantum Information with Solid-State Devices
VO 141.246 SS2012
- Dr. Johannes Majer
Coaxial Line
r r
- ri
Quantum Information with Solid-State Devices VO 141.246 SS2012 - - PowerPoint PPT Presentation
Quantum Information with Solid-State Devices VO 141.246 SS2012 - - PowerPoint PPT Presentation
Quantum Information with Solid-State Devices VO 141.246 SS2012 Dr. Johannes Majer Lecture 9 Coaxial Line r o r i r Transmission Line Resonator B E Coplanar Waveguide - - + + Transmission Line Resonator Z0 C in C out 1 2 L
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SLIDE 3
Transmission Line Resonator
Coplanar Waveguide
+ +
- E
B
SLIDE 4
Transmission Line Resonator
Cin
1 2
Cout Z0 L
0.5 1.0 1.5 2.0 2.5 3.0 3.5 Ν 0.2 0.4 0.6 0.8 1.0 »S21»2
SLIDE 5
Superconducting Resonator
6.30358 6.3036 6.30362 6.30364 6.30366 6.30368 6.3037 −46 −44 −42 −40 −38 −36 −34 −32 −30 −28 −26 Q: 491205.9163 f: 6.3036384e+09 Frequency (GHz) S21 (dB)
SLIDE 6
circuit QED
~6 GHz
⇥n⇤ 1
number of photons in the resonator
Drive Amplifier
SLIDE 7
The Chip
Coupling Capacitor ‘mirror’ Qubit ‘atom’
SLIDE 8
Jaynes-Cummings
|e |e |g |g
SLIDE 9
Vacuum Rabi Splitting
quton phobit
|g⇥ |1⇥ |e⇥ |0⇥ |g |1 + |e |0
|g |e