Implementation of quantum protocols for atmospheric transmission:
Gespeichert in:
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2015
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Enth. 5 Sonderdr. |
| Beschreibung: | Getr. Zählung Ill., graph. Darst. |
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Datensatz im Suchindex
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| adam_text | IMPLEMENTATION OF QUANTUM PROTOCOLS
FOR ATMOSPHERIC TRANSMISSION
DER NATURWISSENSCHAFTLICHEN FAKULTAT
DER FRIED RICH-ALEXANDER-UNIVERSITAT ERLANGEN-NIIRNBERG
ZUR
GRLANGUNG DES DOKTORGRADES DR. RER. NAT.
VORGELEGT VON
BETTINA HEIM
AUS AUGSBURG
HTTP://D-NB.INFO/1072040980
CONTENTS
1 INTRODUCTION 1
2 QUANTUM PROPERTIES OF LIGHT 5
2.1 QUANTUM MECHANICAL DESCRIPTION OF LIGHT 5
2.1.1 QUANTUM MECHANICAL DEFINITIONS 5
2.1.2 QUANTIZATION OF THE ELECTROMAGNETIC FIELD 6
2.1.3 POLARIZATION AND THE STOKES OPERATOR DESCRIPTION 7
2.1.4 EXAMPLES OF QUANTUM STATES OF LIGHT 8
2.1.5 QUASIPROBABILITY DISTRIBUTIONS 12
2.2 DETECTION OF QUANTUM STATES 14
2.2.1 DIRECT (SINGLE) PHOTON DETECTION 14
2.2.2 HOMODYNE DETECTION 15
2.2.3 POLARIZATION MEASUREMENT 17
2.3 GENERATION OF QUANTUM STATES 18
2.3.1 CHARACTERIZATION OF THE LASER SOURCE 18
2.3.2 DISPLACEMENTS IN POLARIZATION SPACE 19
2.3.3 NONLINEAR PROCESSES GENERATING SQUEEZED AND ENTANGLED STATES ....
19
3 QUANTUM COMMUNICATION IN ATMOSPHERIC CHANNELS 25
3.1 QUANTUM COMMUNICATION AND QUANTUM KEY DISTRIBUTION 25
3.1.1 DISCRETE-VARIABLE AND CONTINUOUS-VARIABLE IMPLEMENTATIONS 26
3.1.2 ENTANGLEMENT-BASED VS. PREPARE-AND-MEASURE QKD SCHEMES 26
3.1.3 SECURITY OF QKD PROTOCOLS 27
3.1.4 EFFECTIVE ENTANGLEMENT 27
3.2 ATMOSPHERIC CHANNEL EFFECTS ON FREE-SPACE OPTICAL BEAM PROPAGATION
30
3.2.1 GAUSSIAN BEAMS 30
3.2.2 BEAM EXTINCTION 30
3.2.3 BEAM PROPAGATION IN ATMOSPHERIC TURBULENCE 31
3.2.4 QUANTUM STATES IN ATMOSPHERIC TURBULENCE 33
VIII
CONTENTS
4 INDIVIDUAL IMPLEMENTATIONS OF QUANTUM PROTOCOLS IN FREE-SPACE 35
4.1 CHARACTERIZATION OF A 100 M ATMOSPHERIC CHANNEL 35
4.2 A 1.6 KM CONTINUOUS-VARIABLE POINT-TO-POINT FREE-SPACE LINK 36
4.2.1 TRANSMISSION CHARACTERISTICS AND EFFECTIVE ENTANGLEMENT
VERIFICATION . 36
4.2.2 THEORETICAL INVESTIGATIONS ON GAUSSIAN ENTANGLED STATES AND THEIR
USE
FOR CV QKD OVER A FADING CHANNEL 38
4.2.3 DISTRIBUTION OF BRIGHT CV SQUEEZED STATES OF LIGHT 39
4.3 FREE-SPACE TRANSMISSION TOWARDS IMPROVING FREE-SPACE SINGLE PHOTONS
ENTAN
GLEMENT BASED QKD 41
5 CONCLUSION AND OUTLOOK 45
BIBLIOGRAPHY 46
A LIST OF PUBLICATIONS 63
B PUBLICATIONS 65
|
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| spelling | Heim, Bettina Verfasser (DE-588)1070824739 aut Implementation of quantum protocols for atmospheric transmission von Bettina Heim 2015 Getr. Zählung Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Enth. 5 Sonderdr. Erlangen-Nürnberg, Univ., Diss., 2015 Quantenkommunikation (DE-588)4596977-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Quantenkommunikation (DE-588)4596977-2 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027988040&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
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| title | Implementation of quantum protocols for atmospheric transmission |
| title_auth | Implementation of quantum protocols for atmospheric transmission |
| title_exact_search | Implementation of quantum protocols for atmospheric transmission |
| title_full | Implementation of quantum protocols for atmospheric transmission von Bettina Heim |
| title_fullStr | Implementation of quantum protocols for atmospheric transmission von Bettina Heim |
| title_full_unstemmed | Implementation of quantum protocols for atmospheric transmission von Bettina Heim |
| title_short | Implementation of quantum protocols for atmospheric transmission |
| title_sort | implementation of quantum protocols for atmospheric transmission |
| topic | Quantenkommunikation (DE-588)4596977-2 gnd |
| topic_facet | Quantenkommunikation Hochschulschrift |
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