Heralded atom-atom entanglement:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | Volltext https://nbn-resolving.org/urn:nbn:de:bvb:19-164847 Inhaltsverzeichnis |
| Physical Description: | 122 S. Ill. graph. Darst. |
Staff View
MARC
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| 100 | 1 | |a Hofmann, Julian |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Heralded atom-atom entanglement |c von Julian Hofmann |
| 264 | 1 | |c 2013 | |
| 300 | |a 122 S. |b Ill. graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a München, Univ., Diss, 2013 | ||
| 546 | |a Mit einer Zssfassung in dt. Sprache | ||
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| 856 | 4 | 1 | |u http://edoc.ub.uni-muenchen.de/16484/ |x Verlag |z kostenfrei |3 Volltext |
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| 912 | |a ebook | ||
| 999 | |a oai:aleph.bib-bvb.de:BVB01-027152926 | ||
Record in the Search Index
| _version_ | 1804151975364788224 |
|---|---|
| adam_text | CONTENTS
1. INTRODUCTION 10
2. EXPERIMENTAL SETUP AND ATOM-PHOTON ENTANGLEMENT 12
2.1. THE ATOMIC SYSTEM 12
2.2. BASIC ENTANGLEMENT GENERATION 13
2.3. A TRAP FOR SINGLE ATOMS 14
2.3.1. OPTICAL DIPOLE TRAP 14
2.3.2. VACUUM SYSTEM 15
2.3.3. LASER SYSTEM 15
2.3.4. MAGNETO OPTICAL TRAP 15
2.3.5. OPTICAL SETUP 17
2.3.6. LOADING OF A SINGLE ATOM INTO THE DIPOLE TRAP 18
2.3.7. POLARIZATION ALIGNMENT OF THE SETUP 18
2.4. ENTANGLEMENT GENERATION AND VERIFICATION 19
2.4.1. ENTANGLEMENT GENERATION 19
2.4.2. ENTANGLEMENT VERIFICATION 20
2.4.3. ATOM-PHOTON CORRELATIONS 23
2.5. EXPERIMENTAL RESULTS 24
2.5.1. SINGLE PHOTON DETECTION PROBABILITY AFTER AN EXCITATION ATTEMPT
24
2.5.2. DARK COUNTS 26
2.5.3. ATOM-PHOTON ENTANGLEMENT 26
2.6. SUMMARY 27
3. AN ATOM AS A PULSED SINGLE PHOTON SOURCE 28
3.1. PULSED ATOM EXCITATION AND PHOTON EMISSION 28
3.2. TWO-PHOTON EMISSION 29
3.2.1. ...DUE TO IMPERFECTIONS OF THE POLARIZATION OF THE EXCITATION
LIGHT (TYPE I) . . 31
3.2.2. ...DUE TO OFF-RESONANT EXCITATION (TYPE II) 31
3.2.3. ...DUE TO A FIRST DECAY INTO THE INITIAL STATE (TYPE III) 33
3.2.4. TWO-PHOTON COINCIDENCES CAUSED BY DARK COUNTS 34
3.3. CHARACTERISTICS OF A PULSED SINGLE PHOTON SOURCE 34
3.4. QUANTITATIVE ANALYSIS OF THE SINGLE PHOTON SOURCE 36
3.5. EXPERIMENTAL RESULTS 38
3.5.1. EXPERIMENTAL REALIZATION 39
3.5.2. DARK COUNT PROBABILITIES 39
3.5.3. TWO-PHOTON CORRELATIONS 39
3.5.4. QUANTITATIVE ANALYSIS OF TWO-PHOTON EMISSION 41
3.5.5. VERIFICATION OF THE QUANTUM JUMP MODEL 43
3.6. SUMMARY 44
7
HTTP://D-NB.INFO/1047824175
CONTENTS
4. TWO-PHOTON INTERFERENCE 45
4.1. BASIC PRINCIPLES OF TWO-PHOTON INTERFERENCE 45
4.1.1. THE BEAM SPLITTER 45
4.1.2. INTERFERENCE OF SINGLE PHOTONS 48
4.1.3. TWO-PHOTON INTERFERENCE CONTRAST 50
4.2. TWO-PHOTON INTERFERENCE UNDER REALISTIC CONDITIONS 50
4.2.1. INFLUENCE OF A NON-PERFECT BEAM SPLITTER ON THE INTERFERENCE
QUALITY .... 51
4.2.2. INFLUENCE OF THE TEMPORAL MODE OVERLAP ON THE INTERFERENCE
CONTRAST .... 53
4.2.3. INFLUENCE OF THE SPECTRAL MODE OVERLAP ON THE INTERFERENCE
CONTRAST 56
4.2.4. INFLUENCE OF THE SPATIAL MODE OVERLAP ON THE INTERFERENCE
CONTRAST 58
4.3. MODEL FOR ANALYSIS OF TWO-PHOTON INTERFERENCE MEASUREMENTS 59
4.4. INTERFERENCE PROBABILITY OF PHOTONS ORIGINATING FROM TWO-PHOTON
EMISSION EVENTS . 61
4.4.1. PROBABILITIES OF THE THREE CASES OF TWO-PHOTON EVENTS 62
4.4.2. INTERFERENCE PROBABILITY OF EVENTS OF THE SECOND CASE (* O |) 63
4.4.3. INTERFERENCE PROBABILITY OF EVENTS OF THE THIRD CASE (O * |) 65
4.4.4. EXPANDED ANALYSIS OF A TWO-PHOTON INTERFERENCE MEASUREMENT 66
4.5. EXPERIMENTAL REALIZATION 68
4.5.1. EXPERIMENTAL SETUP 68
4.5.2. SYNCHRONIZATION OF BOTH EXPERIMENTS 68
4.5.3. EXPERIMENTAL SCHEME 69
4.5.4. REDUCTION OF THE INTERFERENCE CONTRAST CAUSED BY IMPERFECTIONS OF
THE SETUP 70
4.6. EXPERIMENTAL RESULTS 73
4.6.1. TWO-PHOTON CORRELATIONS 74
4.6.2. TEMPORAL SHAPE OF THE TWO-PHOTON CORRELATION PEAKS 75
4.6.3. ESTIMATION OF TWO-PHOTON INTERFERENCE CONTRAST 76
4.6.4. DARK COUNT PROBABILITIES 76
4.6.5. ANALYSIS OF INTERFERENCE QUALITY 77
4.7. SUMMARY 78
5. ATOM-ATOM-ENTANGLEMENT AND A TEST OF BELL S INEQUALITY 80
5.1. THE EPR-PARADOX AND BELL S INEQUALITY 80
5.2. ENTANGLEMENT SWAPPING AND ATOM-ATOM ENTANGLEMENT GENERATION 82
5.2.1. BASIC PRINCIPLES 82
5.2.2. MODEL FOR ESTIMATING THE ENTANGLEMENT SWAPPING QUALITY 84
5.2.3. ATOM-ATOM ENTANGLEMENT CORRELATIONS 87
5.2.4. ESTIMATION OF ATOM-ATOM ENTANGLEMENT VISIBILITIES 89
5.3. EXPERIMENTAL RESULTS 97
5.3.1. EXPERIMENTAL REALIZATION 97
5.3.2. VERIFICATION OF ATOM-ATOM ENTANGLEMENT 97
5.3.3. A TEST OF BELL S INEQUALITY 98
5.4. SUMMARY 99
6. CONCLUSION AND OUTLOOK 100
A. PHYSICAL CONSTANTS AND PROPERTIES OF
87
RB
102
B. LEVEL SCHEME OF
87
RB D1
AND
D2
LINE 103
8
CONTENTS
C. CLEBSCH-GORDAN COEFFICIENTS OF IMPORTANT
87
RB D2
TRANSITIONS 104
D. NOTATION OF ATOMIC STATES AND LIGHT POLARIZATION 106
E. COMPARISON OF SETUPS OF TRAPL AND TRAP2 107
F. QUANTUM JUMP MODEL / OPTICAL LIOUVILLE EQUATIONS 108
F.L. LOUIVILLE EQUATION 108
F.L.I. QUANTUM MECHANICAL DESCRIPTION OF A LIGHT FIELD 108
F.1.2. BASIC ATOM-LIGHT INTERACTIONS 109
F.1.3. EQUATION OF MOTION (LIOUVILLE EQUATION) 110
F.2. DEFINITION OF EXCITATION PULSE AND TIME DEPENDENT RABI FREQUENCY
110
F.2.1. THE EXCITATION PULSE ILL
F.2.2. THE ON-RESONANCE RABI FREQUENCY ILL
F.3. SIMULATION OF A STANDARD ATOM EXCITATION PROCESS ILL
F.3.1. DETERMINATION OF LASER POWER AND TIMING OF THE EXCITATION PULSE
112
F.3.2. SINGLE-PHOTON EMISSION 113
F.4. TWO-PHOTON EMISSION (QUANTUM JUMP MODEL) 113
F.5. TWO-PHOTON EMISSION PROBABILITIES 115
F.6. MODE OVERLAP CALCULATIONS 115
9
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| spelling | Hofmann, Julian Verfasser aut Heralded atom-atom entanglement von Julian Hofmann 2013 122 S. Ill. graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Diss, 2013 Mit einer Zssfassung in dt. Sprache (DE-588)4113937-9 Hochschulschrift gnd-content Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:19-164847 http://edoc.ub.uni-muenchen.de/16484/ Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:19-164847 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027152926&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hofmann, Julian Heralded atom-atom entanglement |
| subject_GND | (DE-588)4113937-9 |
| title | Heralded atom-atom entanglement |
| title_auth | Heralded atom-atom entanglement |
| title_exact_search | Heralded atom-atom entanglement |
| title_full | Heralded atom-atom entanglement von Julian Hofmann |
| title_fullStr | Heralded atom-atom entanglement von Julian Hofmann |
| title_full_unstemmed | Heralded atom-atom entanglement von Julian Hofmann |
| title_short | Heralded atom-atom entanglement |
| title_sort | heralded atom atom entanglement |
| topic_facet | Hochschulschrift |
| url | http://edoc.ub.uni-muenchen.de/16484/ https://nbn-resolving.org/urn:nbn:de:bvb:19-164847 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027152926&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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