Experiments to Control Atom Number and Phase-Space Density in ...
Experiments to Control Atom Number and Phase-Space Density in ...
Experiments to Control Atom Number and Phase-Space Density in ...
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Chapter 3. S<strong>in</strong>gle-Pho<strong>to</strong>n Cool<strong>in</strong>g 37<br />
3.1 Limitations of Laser Cool<strong>in</strong>g . . . . . . . . . . . . . . . . . . . . . . . . . 37<br />
3.2 A One-Way Wall for A<strong>to</strong>ms . . . . . . . . . . . . . . . . . . . . . . . . . 38<br />
3.3 S<strong>in</strong>gle-Pho<strong>to</strong>n Cool<strong>in</strong>g . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40<br />
3.4 Maxwell’s Demon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43<br />
Chapter 4. Rubidium Apparatus 45<br />
4.1 Vacuum System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45<br />
4.1.1 Upper Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45<br />
4.1.2 Lower Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47<br />
4.2 Magnetic Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48<br />
4.2.1 Upper MOT Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . 49<br />
4.2.2 Magnetic Trap Coils . . . . . . . . . . . . . . . . . . . . . . . . . . 49<br />
4.2.3 Auxiliary Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50<br />
4.3 Laser System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51<br />
4.3.1 Near-Resonant Lasers . . . . . . . . . . . . . . . . . . . . . . . . . 51<br />
4.3.1.1 MOT Master Laser . . . . . . . . . . . . . . . . . . . . . . 52<br />
4.3.1.2 Repump Laser . . . . . . . . . . . . . . . . . . . . . . . . 56<br />
4.3.1.3 Slave Lasers . . . . . . . . . . . . . . . . . . . . . . . . . . 58<br />
4.3.1.4 Upper MOT Horizontal Slave Laser . . . . . . . . . . . . . 60<br />
4.3.1.5 Upper MOT Diagonal Slave Laser . . . . . . . . . . . . . . 61<br />
4.3.1.6 Lower MOT Slave Laser . . . . . . . . . . . . . . . . . . . 62<br />
4.3.2 Far-Detuned Laser . . . . . . . . . . . . . . . . . . . . . . . . . . . 62<br />
4.3.3 Imag<strong>in</strong>g Setups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65<br />
4.4 Computer <strong>Control</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65<br />
Chapter 5. S<strong>in</strong>gle-Pho<strong>to</strong>n Cool<strong>in</strong>g of Rubidium 67<br />
5.1 Implementation of S<strong>in</strong>gle-Pho<strong>to</strong>n Cool<strong>in</strong>g <strong>in</strong> Rubidium . . . . . . . . . . 67<br />
5.2 Branch<strong>in</strong>g Ratios <strong>and</strong> Population Distribution . . . . . . . . . . . . . . . 72<br />
5.3 Effect of the Demon Beam Detun<strong>in</strong>g . . . . . . . . . . . . . . . . . . . . . 72<br />
5.4 Effect of the Demon Beam Position on A<strong>to</strong>m <strong>Number</strong> <strong>and</strong> Temperature . 74<br />
5.5 Transfer Efficiency <strong>and</strong> <strong>Phase</strong>-<strong>Space</strong> Compression . . . . . . . . . . . . . 76<br />
5.6 Monte-Carlo Simulations . . . . . . . . . . . . . . . . . . . . . . . . . . . 82<br />
5.7 Conclud<strong>in</strong>g Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83<br />
Chapter 6. Fock States <strong>and</strong> Laser Cull<strong>in</strong>g 85<br />
6.1 A<strong>to</strong>mic Fock States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85<br />
6.2 Laser Cull<strong>in</strong>g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86<br />
6.3 Laser Cull<strong>in</strong>g of 6 Li A<strong>to</strong>ms <strong>and</strong> Qubit Preparation . . . . . . . . . . . . . 87<br />
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