{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1511"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1511","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΘΕΩΡΙΑ ΤΩΝ ΠΕΠΙΕΣΜΕΝΩΝ (SQUEEZED) ΚΑΤΑΣΤΑΣΕΩΝ ΚΑΙ ΕΦΑΡΜΟΓΕΣ ΣΤΗΝ ΚΒΑΝΤΙΚΗ ΟΠΤΙΚΗ","abstract":"YUEN DEVELOPED, FROM THE MATHEMATICAL POINT OF VIEW, THE THEORY OF STATES THAT HAVE SQUEEZED NOISE IN THE ONE QUADRATURE COMPONENT AND CORRESPONDINGLY INCREASED IN THE OTHER (SQUEEZED STATES). IN THE PRESENT STUDY WE DEVELOPED FURTHER THE YUEN THEORY STUDYING THE SQUEEZED STATES IN THE Q-REPRESENTATION. ALSO WE DIDTHE SAME FOR THE NUMBER OPERATOR OF THE YUEN TYPE. WE PROVED THAT THE PARAMETRIC AMPLIFIER WHICH IS THE MOST IMPORTANT MODEL FOR THE PRODUCTION OF THE SQUEEZED STATES GIVES YUEN TYPE STATES. THE SAME HOLDS FOR THE TWO-PHOTON LASER. WE DEFINED THE GENERALIZED SQUEEZE OPERATOR PROVING THAT IT IS OF THE YUEN TYPE ANDWE FOUND ITS EIGENFUNCTIONS AND EIGENVALUES. WE STUDIED THE HARMONIC OSCILLATOR WITH TIME DEPENDENT MASS AND FREQUENCY IN THE HEISENBERG PICTURE, AND FOUND IT TO GIVE SQUEEZED STATES UNDER MINIMUM UNCERTAINTY CONDITIONS AND WE PROVED THAT THE SQUEEZE OPERATOR IS PROPORTIONAL TO THE MULTIPLICATION OPERATOR. THE JAYNES-CUMMINGS MODEL (J-C MODEL) IS OF HIGH IMPORTANCE FOR QUANTUM OPTICS BECAUSEIT DESCRIBES THE ELEMENTARY BOSE FERMI INTERACTION. IN THE PRESENT STUDY WE EXTENDED IT TO THE TWO- PHOTON GENERALIZED J-C MODEL WITH INTENSITY DEPENDENT COUPLING CONSTANT AND WE STUDIED THE TIME EVOLUTION OF THE DISTRIBUTION OF THE QUANTUM NOISE IN THE TWO QUADRATURE COMPONENTS. WE ALSO REFERED TO THE HIGHER ORDER SQUEEZING AND WE STUDIED IT IN THE ANARMONIC OSCILLATOR. FURTHER, WE DEVELOPED THE TOTAL FIELD THEORY SHOWING THAT THE TOTAL FIELD IS ESSENTIALLY AND AMPLITUDE MODULATED FIELD AND WE STUDIED THE HETERODYNING INTERFERENCE THEORY. WE ALSO STUDIED THE OFF-RESONANCE NONDEGENERATE PARAMETRIC AMPLIFIER AND UNDER WHICH CONDITIONS THERE IS QUANTUM NOISE SQUEEZING PHENOMENON.","abstract_html":"YUEN DEVELOPED, FROM THE MATHEMATICAL POINT OF VIEW, THE THEORY OF STATES THAT HAVE SQUEEZED NOISE IN THE ONE QUADRATURE COMPONENT AND CORRESPONDINGLY INCREASED IN THE OTHER (SQUEEZED STATES). IN THE PRESENT STUDY WE DEVELOPED FURTHER THE YUEN THEORY STUDYING THE SQUEEZED STATES IN THE Q-REPRESENTATION. ALSO WE DIDTHE SAME FOR THE NUMBER OPERATOR OF THE YUEN TYPE. WE PROVED THAT THE PARAMETRIC AMPLIFIER WHICH IS THE MOST IMPORTANT MODEL FOR THE PRODUCTION OF THE SQUEEZED STATES GIVES YUEN TYPE STATES. THE SAME HOLDS FOR THE TWO-PHOTON LASER. WE DEFINED THE GENERALIZED SQUEEZE OPERATOR PROVING THAT IT IS OF THE YUEN TYPE ANDWE FOUND ITS EIGENFUNCTIONS AND EIGENVALUES. WE STUDIED THE HARMONIC OSCILLATOR WITH TIME DEPENDENT MASS AND FREQUENCY IN THE HEISENBERG PICTURE, AND FOUND IT TO GIVE SQUEEZED STATES UNDER MINIMUM UNCERTAINTY CONDITIONS AND WE PROVED THAT THE SQUEEZE OPERATOR IS PROPORTIONAL TO THE MULTIPLICATION OPERATOR. THE JAYNES-CUMMINGS MODEL (J-C MODEL) IS OF HIGH IMPORTANCE FOR QUANTUM OPTICS BECAUSEIT DESCRIBES THE ELEMENTARY BOSE FERMI INTERACTION. IN THE PRESENT STUDY WE EXTENDED IT TO THE TWO- PHOTON GENERALIZED J-C MODEL WITH INTENSITY DEPENDENT COUPLING CONSTANT AND WE STUDIED THE TIME EVOLUTION OF THE DISTRIBUTION OF THE QUANTUM NOISE IN THE TWO QUADRATURE COMPONENTS. WE ALSO REFERED TO THE HIGHER ORDER SQUEEZING AND WE STUDIED IT IN THE ANARMONIC OSCILLATOR. FURTHER, WE DEVELOPED THE TOTAL FIELD THEORY SHOWING THAT THE TOTAL FIELD IS ESSENTIALLY AND AMPLITUDE MODULATED FIELD AND WE STUDIED THE HETERODYNING INTERFERENCE THEORY. WE ALSO STUDIED THE OFF-RESONANCE NONDEGENERATE PARAMETRIC AMPLIFIER AND UNDER WHICH CONDITIONS THERE IS QUANTUM NOISE SQUEEZING PHENOMENON.","abstract_has_math":false,"creators":["Bartzis, Vasileios","Μπαρτζής, Βασίλειος"],"institution":"University of Patras","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1990,"date_issued":"1990","date_published":"1990","updated_at":"2026-07-24T02:24:59Z","subjects":["ΚΑΤΑΣΤΑΣΕΙΣ ΕΛΑΧΙΣΤΗΣ ΑΒΕΒΑΙΟΤΗΤΑΣ","ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ","ΣΥΜΠΙΕΣΗ ΚΒΑΝΤΙΚΟΥ ΘΟΡΥΒΟΥ","MINIMUM UNCERTAINTY STATES","QUANTUM NOISE SQUEEZING","SQUEEZED STATES","Φυσικές Επιστήμες","Φυσική","Natural Sciences","Physical Sciences"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1511"],"render_values":[{"text":"10.12681/eadd/1511","href":"https://doi.org/10.12681/eadd/1511","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1511","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Bartzis, Vasileios","Μπαρτζής, Βασίλειος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1990"]},{"key":"dc:publisher","label":"Institution","values":["University of Patras","Πανεπιστήμιο Πατρών"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ΚΑΤΑΣΤΑΣΕΙΣ ΕΛΑΧΙΣΤΗΣ ΑΒΕΒΑΙΟΤΗΤΑΣ","ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ","ΣΥΜΠΙΕΣΗ ΚΒΑΝΤΙΚΟΥ ΘΟΡΥΒΟΥ","MINIMUM UNCERTAINTY STATES","QUANTUM NOISE SQUEEZING","SQUEEZED STATES","Φυσικές Επιστήμες","Φυσική","Natural Sciences","Physical Sciences"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1511","http://hdl.handle.net/10442/hedi/1511"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["YUEN DEVELOPED, FROM THE MATHEMATICAL POINT OF VIEW, THE THEORY OF STATES THAT HAVE SQUEEZED NOISE IN THE ONE QUADRATURE COMPONENT AND CORRESPONDINGLY INCREASED IN THE OTHER (SQUEEZED STATES). IN THE PRESENT STUDY WE DEVELOPED FURTHER THE YUEN THEORY STUDYING THE SQUEEZED STATES IN THE Q-REPRESENTATION. ALSO WE DIDTHE SAME FOR THE NUMBER OPERATOR OF THE YUEN TYPE. WE PROVED THAT THE PARAMETRIC AMPLIFIER WHICH IS THE MOST IMPORTANT MODEL FOR THE PRODUCTION OF THE SQUEEZED STATES GIVES YUEN TYPE STATES. THE SAME HOLDS FOR THE TWO-PHOTON LASER. WE DEFINED THE GENERALIZED SQUEEZE OPERATOR PROVING THAT IT IS OF THE YUEN TYPE ANDWE FOUND ITS EIGENFUNCTIONS AND EIGENVALUES. WE STUDIED THE HARMONIC OSCILLATOR WITH TIME DEPENDENT MASS AND FREQUENCY IN THE HEISENBERG PICTURE, AND FOUND IT TO GIVE SQUEEZED STATES UNDER MINIMUM UNCERTAINTY CONDITIONS AND WE PROVED THAT THE SQUEEZE OPERATOR IS PROPORTIONAL TO THE MULTIPLICATION OPERATOR. THE JAYNES-CUMMINGS MODEL (J-C MODEL) IS OF HIGH IMPORTANCE FOR QUANTUM OPTICS BECAUSEIT DESCRIBES THE ELEMENTARY BOSE FERMI INTERACTION. IN THE PRESENT STUDY WE EXTENDED IT TO THE TWO- PHOTON GENERALIZED J-C MODEL WITH INTENSITY DEPENDENT COUPLING CONSTANT AND WE STUDIED THE TIME EVOLUTION OF THE DISTRIBUTION OF THE QUANTUM NOISE IN THE TWO QUADRATURE COMPONENTS. WE ALSO REFERED TO THE HIGHER ORDER SQUEEZING AND WE STUDIED IT IN THE ANARMONIC OSCILLATOR. FURTHER, WE DEVELOPED THE TOTAL FIELD THEORY SHOWING THAT THE TOTAL FIELD IS ESSENTIALLY AND AMPLITUDE MODULATED FIELD AND WE STUDIED THE HETERODYNING INTERFERENCE THEORY. WE ALSO STUDIED THE OFF-RESONANCE NONDEGENERATE PARAMETRIC AMPLIFIER AND UNDER WHICH CONDITIONS THERE IS QUANTUM NOISE SQUEEZING PHENOMENON.","Ο YUEN ΘΕΜΕΛΙΩΣΕ ΜΑΘΗΜΑΤΙΚΑ ΤΙΣ ΠΕΠΙΕΣΜΕΝΟΥ ΘΟΡΥΒΟΥ ΚΑΤΑΣΤΑΣΕΙΣ (ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ). ΣΤΗΝ ΠΑΡΟΥΣΑ ΜΕΛΕΤΗ ΑΝΑΠΤΥΞΑΜΕ ΠΕΡΑΙΤΕΡΩ ΤΗ ΘΕΩΡΙΑ ΤΟΥ ΜΕΛΕΤΩΝΤΑΣ ΤΗ ΜΟΡΦΗ ΤΟΥΣ ΣΤΗΝ Q- ΑΝΑΠΑΡΑΣΤΑΣΗ. ΑΚΟΜΗ ΚΑΝΑΜΕ ΤΟ ΙΔΙΟ ΚΑΙ ΓΙΑ ΤΟΝ ΑΡΙΘΜΗΤΙΚΟ ΤΕΛΕΣΤΗ (NUMBER OPERATOR) ΤΥΠΟΥ YUEN. ΑΠΟΔΕΙΞΑΜΕ ΠΩΣ Ο ΠΑΡΑΜΕΤΡΙΚΟΣ ΕΝΙΣΧΥΤΗΣ ΠΟΥ ΕΙΝΑΙ ΤΟ ΚΥΡΙΟΤΕΡΟ ΜΟΝΤΕΛΟ ΓΙΑ ΤΗΝ ΠΑΡΑΓΩΓΗ ΠΕΠΙΕΣΜΕΝΩΝ ΚΑΤΑΣΤΑΣΕΩΝ ΔΙΝΕΙ ΚΑΤΑΣΤΑΣΕΙΣ ΤΥΠΟΥ YUEN. ΤΟ ΙΔΙΟ ΙΣΧΥΕΙ ΚΑΙ ΓΙΑ ΤΟ LASER ΔΥΟ ΦΩΤΟΝΙΩΝ. ΟΡΙΣΑΜΕ ΤΟΝΓΕΝΙΚΕΥΜΕΝΟ ΠΕΠΙΕΣΜΕΝΟ ΤΕΛΕΣΤΗ ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ ΕΙΝΑΙ ΤΗΣ ΜΟΡΦΗΣ YUEN ΚΑΙ ΥΠΟΛΟΓΙΣΑΜΕ ΤΙΣ ΙΔΙΟΚΑΤΑΣΤΑΣΕΙΣ ΚΑΙ ΤΙΣ ΙΔΙΟΤΙΜΕΣ ΤΟΥ. ΟΡΙΣΑΜΕ ΤΟΝ ΑΡΜΟΝΙΚΟ ΤΑΛΑΝΤΩΤΗ ΜΕ ΜΑΖΑ ΚΑΙ ΣΥΧΝΟΤΗΤΑ ΕΞΑΡΤΩΜΕΝΗ ΑΠΟ ΤΟ ΧΡΟΝΟ ΚΑΙ ΤΟΝ ΜΕΛΕΤΗΣΑΜΕ ΣΤΗΝ HEISENBERG EIKONA ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ ΠΑΡΑΓΕΙ ΚΑΤΑΣΤΑΣΕΙΣ ΤΗΣ ΜΟΡΦΗΣ YUEN. ΜΕΛΕΤΗΣΑΜΕ ΤΙΣ ΠΕΡΙΣΤΡΕΦΟΜΕΝΕΣ ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ ΚΑΤΩ ΑΠΟ ΣΥΝΘΗΚΕΣ ΕΛΑΧΙΣΤΟΠΟΙΗΣΗΣΤΟΥ ΓΙΝΟΜΕΝΟΥ ΑΒΕΒΑΙΟΤΗΤΑΣ ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ Ο ΠΕΠΙΕΣΜΕΝΟΣ ΤΕΛΕΣΤΗΣ ΕΙΝΑΙ ΑΝΑΛΟΓΟΣ ΤΟΥ ΠΟΛΛΑΠΛΑΣΙΑΣΤΙΚΟΥ ΤΕΛΕΣΤΗ . ΤΟ ΜΟΝΤΕΛΟ ΤΩΝ JAYNES-CUMMINGS (J-C MODEL) ΕΙΝΑΙ ΠΟΛΥ ΣΗΜΑΝΤΙΚΟ ΓΙΑ ΤΗΝ ΚΒΑΝΤΙΚΗ ΟΠΤΙΚΗ ΓΙΑΤΙ ΠΕΡΙΓΡΑΦΕΙ ΤΗ ΣΤΟΙΧΕΙΩΔΗ BOSE-FERMI ΑΛΛΗΛΕΠΙΔΡΑΣΗ. ΣΤΗΝ ΠΑΡΟΥΣΑ ΜΕΛΕΤΗ ΟΡΙΣΑΜΕ ΤΟ ΓΕΝΙΚΕΥΜΕΝΟ JAYNES- CUMMINGS ΜΟΝΤΕΛΟ ΔΥΟ ΦΩΤΟΝΙΩΝ ΜΕ ΤΗ ΣΤΑΘΕΡΑ ΣΥΖΕΥΞΗΣ ΕΞΑΡΤΩΜΕΝΗ ΑΠΟ ΤΗΝ ΕΝΤΑΣΗ ΤΗΣΑΚΤΙΝΟΒΟΛΙΑΣ ΚΑΙ ΜΕΛΕΤΗΣΑΜΕ ΤΗ ΧΡΟΝΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΦΑΙΝΟΜΕΝΟΥ ΣΥΜΠΙΕΣΗΣ ΤΟΥ ΚΒΑΝΤΙΚΟΥ ΘΟΡΥΒΟΥ ΣΤΟ ΠΑΡΑΠΑΝΩ ΜΟΝΤΕΛΟ. ΕΠΙΣΗΣ ΑΝΑΦΕΡΘΗΚΑΜΕ ΣΤΗ ΣΥΜΠΙΕΣΗ ΘΟΡΥΒΟΥ ΑΝΩΤΕΡΗΣ ΤΑΞΗΣ ΚΑΙ ΤΗ ΜΕΛΕΤΗΣΑΜΕ ΣΤΟΝ ΑΝΑΡΜΟΝΙΚΟ ΤΑΛΑΝΤΩΤΗ. ΑΝΑΠΤΥΞΑΜΕ ΣΤΗ ΣΥΝΕΧΕΙΑ ΤΗ ΘΕΩΡΙΑ ΤΟΥ ΟΛΙΚΟΥ ΠΕΔΙΟΥ ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ ΟΥΣΙΑΣΤΙΚΑ ΠΡΟΚΕΙΤΑΙ ΓΙΑ ΠΕΔΙΟ ΠΟΥ ΤΑ ΠΛΑΤΗ ΤΟΥ ΕΙΝΑΙ ΔΙΑΜΟΡΦΩΜΕΝΑ ΣΤΗ ΣΥΧΝΟΤΗΤΑ ΔΙΑΜΟΡΦΩΣΗΣ (AMPLITUDE MODULATED FIELD) ΚΑΙ ΑΝΑΠΤΥΞΑΜΕ ΤΗ ΘΕΩΡΙΑ ΤΗΣ ΕΤΕΡΟΔΥΝΗΣ ΣΥΜΒΟΛΗΣ. ΑΚΟΜΑ ΜΕΛΕΤΗΣΑΜΕ ΤΟ ΕΚΤΟΣ ΣΥΝΤΟΝΙΣΜΟΥ ΜΟΝΤΕΛΟ ΤΟΥ ΜΗ ΕΚΦΥΛΙΣΜΕΝΟΥ ΠΑΡΑΜΕΤΡΙΚΟΥ ΕΝΙΣΧΥΤΗ ΚΑΙ ΤΙΣ ΣΥΝΘΗΚΕΣ ΚΑΤΩ ΑΠΟ ΤΙΣ ΟΠΟΙΕΣ ΠΑΡΟΥΣΙΑΖΕΤΑΙ ΣΥΜΠΙΕΣΗ ΘΟΡΥΒΟΥ Σ'ΑΥΤΟ."]},{"key":"dc:title","label":"Title","values":["ΘΕΩΡΙΑ ΤΩΝ ΠΕΠΙΕΣΜΕΝΩΝ (SQUEEZED) ΚΑΤΑΣΤΑΣΕΩΝ ΚΑΙ ΕΦΑΡΜΟΓΕΣ ΣΤΗΝ ΚΒΑΝΤΙΚΗ ΟΠΤΙΚΗ","THEORY OF THE SQUEEZED STATES AND APPLICATION IN QUANTUM OPTICS"]}]}],"canonical_facts":{"dc:creator":["Bartzis, Vasileios","Μπαρτζής, Βασίλειος"],"dc:date":["1990"],"dc:description":["YUEN DEVELOPED, FROM THE MATHEMATICAL POINT OF VIEW, THE THEORY OF STATES THAT HAVE SQUEEZED NOISE IN THE ONE QUADRATURE COMPONENT AND CORRESPONDINGLY INCREASED IN THE OTHER (SQUEEZED STATES). IN THE PRESENT STUDY WE DEVELOPED FURTHER THE YUEN THEORY STUDYING THE SQUEEZED STATES IN THE Q-REPRESENTATION. ALSO WE DIDTHE SAME FOR THE NUMBER OPERATOR OF THE YUEN TYPE. WE PROVED THAT THE PARAMETRIC AMPLIFIER WHICH IS THE MOST IMPORTANT MODEL FOR THE PRODUCTION OF THE SQUEEZED STATES GIVES YUEN TYPE STATES. THE SAME HOLDS FOR THE TWO-PHOTON LASER. WE DEFINED THE GENERALIZED SQUEEZE OPERATOR PROVING THAT IT IS OF THE YUEN TYPE ANDWE FOUND ITS EIGENFUNCTIONS AND EIGENVALUES. WE STUDIED THE HARMONIC OSCILLATOR WITH TIME DEPENDENT MASS AND FREQUENCY IN THE HEISENBERG PICTURE, AND FOUND IT TO GIVE SQUEEZED STATES UNDER MINIMUM UNCERTAINTY CONDITIONS AND WE PROVED THAT THE SQUEEZE OPERATOR IS PROPORTIONAL TO THE MULTIPLICATION OPERATOR. THE JAYNES-CUMMINGS MODEL (J-C MODEL) IS OF HIGH IMPORTANCE FOR QUANTUM OPTICS BECAUSEIT DESCRIBES THE ELEMENTARY BOSE FERMI INTERACTION. IN THE PRESENT STUDY WE EXTENDED IT TO THE TWO- PHOTON GENERALIZED J-C MODEL WITH INTENSITY DEPENDENT COUPLING CONSTANT AND WE STUDIED THE TIME EVOLUTION OF THE DISTRIBUTION OF THE QUANTUM NOISE IN THE TWO QUADRATURE COMPONENTS. WE ALSO REFERED TO THE HIGHER ORDER SQUEEZING AND WE STUDIED IT IN THE ANARMONIC OSCILLATOR. FURTHER, WE DEVELOPED THE TOTAL FIELD THEORY SHOWING THAT THE TOTAL FIELD IS ESSENTIALLY AND AMPLITUDE MODULATED FIELD AND WE STUDIED THE HETERODYNING INTERFERENCE THEORY. WE ALSO STUDIED THE OFF-RESONANCE NONDEGENERATE PARAMETRIC AMPLIFIER AND UNDER WHICH CONDITIONS THERE IS QUANTUM NOISE SQUEEZING PHENOMENON.","Ο YUEN ΘΕΜΕΛΙΩΣΕ ΜΑΘΗΜΑΤΙΚΑ ΤΙΣ ΠΕΠΙΕΣΜΕΝΟΥ ΘΟΡΥΒΟΥ ΚΑΤΑΣΤΑΣΕΙΣ (ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ). ΣΤΗΝ ΠΑΡΟΥΣΑ ΜΕΛΕΤΗ ΑΝΑΠΤΥΞΑΜΕ ΠΕΡΑΙΤΕΡΩ ΤΗ ΘΕΩΡΙΑ ΤΟΥ ΜΕΛΕΤΩΝΤΑΣ ΤΗ ΜΟΡΦΗ ΤΟΥΣ ΣΤΗΝ Q- ΑΝΑΠΑΡΑΣΤΑΣΗ. ΑΚΟΜΗ ΚΑΝΑΜΕ ΤΟ ΙΔΙΟ ΚΑΙ ΓΙΑ ΤΟΝ ΑΡΙΘΜΗΤΙΚΟ ΤΕΛΕΣΤΗ (NUMBER OPERATOR) ΤΥΠΟΥ YUEN. ΑΠΟΔΕΙΞΑΜΕ ΠΩΣ Ο ΠΑΡΑΜΕΤΡΙΚΟΣ ΕΝΙΣΧΥΤΗΣ ΠΟΥ ΕΙΝΑΙ ΤΟ ΚΥΡΙΟΤΕΡΟ ΜΟΝΤΕΛΟ ΓΙΑ ΤΗΝ ΠΑΡΑΓΩΓΗ ΠΕΠΙΕΣΜΕΝΩΝ ΚΑΤΑΣΤΑΣΕΩΝ ΔΙΝΕΙ ΚΑΤΑΣΤΑΣΕΙΣ ΤΥΠΟΥ YUEN. ΤΟ ΙΔΙΟ ΙΣΧΥΕΙ ΚΑΙ ΓΙΑ ΤΟ LASER ΔΥΟ ΦΩΤΟΝΙΩΝ. ΟΡΙΣΑΜΕ ΤΟΝΓΕΝΙΚΕΥΜΕΝΟ ΠΕΠΙΕΣΜΕΝΟ ΤΕΛΕΣΤΗ ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ ΕΙΝΑΙ ΤΗΣ ΜΟΡΦΗΣ YUEN ΚΑΙ ΥΠΟΛΟΓΙΣΑΜΕ ΤΙΣ ΙΔΙΟΚΑΤΑΣΤΑΣΕΙΣ ΚΑΙ ΤΙΣ ΙΔΙΟΤΙΜΕΣ ΤΟΥ. ΟΡΙΣΑΜΕ ΤΟΝ ΑΡΜΟΝΙΚΟ ΤΑΛΑΝΤΩΤΗ ΜΕ ΜΑΖΑ ΚΑΙ ΣΥΧΝΟΤΗΤΑ ΕΞΑΡΤΩΜΕΝΗ ΑΠΟ ΤΟ ΧΡΟΝΟ ΚΑΙ ΤΟΝ ΜΕΛΕΤΗΣΑΜΕ ΣΤΗΝ HEISENBERG EIKONA ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ ΠΑΡΑΓΕΙ ΚΑΤΑΣΤΑΣΕΙΣ ΤΗΣ ΜΟΡΦΗΣ YUEN. ΜΕΛΕΤΗΣΑΜΕ ΤΙΣ ΠΕΡΙΣΤΡΕΦΟΜΕΝΕΣ ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ ΚΑΤΩ ΑΠΟ ΣΥΝΘΗΚΕΣ ΕΛΑΧΙΣΤΟΠΟΙΗΣΗΣΤΟΥ ΓΙΝΟΜΕΝΟΥ ΑΒΕΒΑΙΟΤΗΤΑΣ ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ Ο ΠΕΠΙΕΣΜΕΝΟΣ ΤΕΛΕΣΤΗΣ ΕΙΝΑΙ ΑΝΑΛΟΓΟΣ ΤΟΥ ΠΟΛΛΑΠΛΑΣΙΑΣΤΙΚΟΥ ΤΕΛΕΣΤΗ . ΤΟ ΜΟΝΤΕΛΟ ΤΩΝ JAYNES-CUMMINGS (J-C MODEL) ΕΙΝΑΙ ΠΟΛΥ ΣΗΜΑΝΤΙΚΟ ΓΙΑ ΤΗΝ ΚΒΑΝΤΙΚΗ ΟΠΤΙΚΗ ΓΙΑΤΙ ΠΕΡΙΓΡΑΦΕΙ ΤΗ ΣΤΟΙΧΕΙΩΔΗ BOSE-FERMI ΑΛΛΗΛΕΠΙΔΡΑΣΗ. ΣΤΗΝ ΠΑΡΟΥΣΑ ΜΕΛΕΤΗ ΟΡΙΣΑΜΕ ΤΟ ΓΕΝΙΚΕΥΜΕΝΟ JAYNES- CUMMINGS ΜΟΝΤΕΛΟ ΔΥΟ ΦΩΤΟΝΙΩΝ ΜΕ ΤΗ ΣΤΑΘΕΡΑ ΣΥΖΕΥΞΗΣ ΕΞΑΡΤΩΜΕΝΗ ΑΠΟ ΤΗΝ ΕΝΤΑΣΗ ΤΗΣΑΚΤΙΝΟΒΟΛΙΑΣ ΚΑΙ ΜΕΛΕΤΗΣΑΜΕ ΤΗ ΧΡΟΝΙΚΗ ΕΞΕΛΙΞΗ ΤΟΥ ΦΑΙΝΟΜΕΝΟΥ ΣΥΜΠΙΕΣΗΣ ΤΟΥ ΚΒΑΝΤΙΚΟΥ ΘΟΡΥΒΟΥ ΣΤΟ ΠΑΡΑΠΑΝΩ ΜΟΝΤΕΛΟ. ΕΠΙΣΗΣ ΑΝΑΦΕΡΘΗΚΑΜΕ ΣΤΗ ΣΥΜΠΙΕΣΗ ΘΟΡΥΒΟΥ ΑΝΩΤΕΡΗΣ ΤΑΞΗΣ ΚΑΙ ΤΗ ΜΕΛΕΤΗΣΑΜΕ ΣΤΟΝ ΑΝΑΡΜΟΝΙΚΟ ΤΑΛΑΝΤΩΤΗ. ΑΝΑΠΤΥΞΑΜΕ ΣΤΗ ΣΥΝΕΧΕΙΑ ΤΗ ΘΕΩΡΙΑ ΤΟΥ ΟΛΙΚΟΥ ΠΕΔΙΟΥ ΑΠΟΔΕΙΚΝΥΟΝΤΑΣ ΠΩΣ ΟΥΣΙΑΣΤΙΚΑ ΠΡΟΚΕΙΤΑΙ ΓΙΑ ΠΕΔΙΟ ΠΟΥ ΤΑ ΠΛΑΤΗ ΤΟΥ ΕΙΝΑΙ ΔΙΑΜΟΡΦΩΜΕΝΑ ΣΤΗ ΣΥΧΝΟΤΗΤΑ ΔΙΑΜΟΡΦΩΣΗΣ (AMPLITUDE MODULATED FIELD) ΚΑΙ ΑΝΑΠΤΥΞΑΜΕ ΤΗ ΘΕΩΡΙΑ ΤΗΣ ΕΤΕΡΟΔΥΝΗΣ ΣΥΜΒΟΛΗΣ. ΑΚΟΜΑ ΜΕΛΕΤΗΣΑΜΕ ΤΟ ΕΚΤΟΣ ΣΥΝΤΟΝΙΣΜΟΥ ΜΟΝΤΕΛΟ ΤΟΥ ΜΗ ΕΚΦΥΛΙΣΜΕΝΟΥ ΠΑΡΑΜΕΤΡΙΚΟΥ ΕΝΙΣΧΥΤΗ ΚΑΙ ΤΙΣ ΣΥΝΘΗΚΕΣ ΚΑΤΩ ΑΠΟ ΤΙΣ ΟΠΟΙΕΣ ΠΑΡΟΥΣΙΑΖΕΤΑΙ ΣΥΜΠΙΕΣΗ ΘΟΡΥΒΟΥ Σ'ΑΥΤΟ."],"dc:identifier":["10.12681/eadd/1511","http://hdl.handle.net/10442/hedi/1511"],"dc:language":["gre"],"dc:publisher":["University of Patras","Πανεπιστήμιο Πατρών"],"dc:subject":["ΚΑΤΑΣΤΑΣΕΙΣ ΕΛΑΧΙΣΤΗΣ ΑΒΕΒΑΙΟΤΗΤΑΣ","ΠΕΠΙΕΣΜΕΝΕΣ ΚΑΤΑΣΤΑΣΕΙΣ","ΣΥΜΠΙΕΣΗ ΚΒΑΝΤΙΚΟΥ ΘΟΡΥΒΟΥ","MINIMUM UNCERTAINTY STATES","QUANTUM NOISE SQUEEZING","SQUEEZED STATES","Φυσικές Επιστήμες","Φυσική","Natural Sciences","Physical Sciences"],"dc:title":["ΘΕΩΡΙΑ ΤΩΝ ΠΕΠΙΕΣΜΕΝΩΝ (SQUEEZED) ΚΑΤΑΣΤΑΣΕΩΝ ΚΑΙ ΕΦΑΡΜΟΓΕΣ ΣΤΗΝ ΚΒΑΝΤΙΚΗ ΟΠΤΙΚΗ","THEORY OF THE SQUEEZED STATES AND APPLICATION IN QUANTUM OPTICS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:59Z"}