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However, the practical devices used to implement these systems are intrinsically imperfect, and, as a result, open the door to eavesdropper attacks. In this work, we show the impact of receiver device imperfections on the estimated channel parameters, performance and security of a CV-QKD system. The presented results show that, due to the erroneously estimated channel parameters, non-monitored imbalances can pose a security risk or even reduce the system\u2019s performance. Our results show the importance of monitoring these imbalances and hint at the possibility of compensating for some receiver imbalances by tuning other components.<\/jats:p>","DOI":"10.1140\/epjqt\/s40507-021-00112-z","type":"journal-article","created":{"date-parts":[[2021,10,18]],"date-time":"2021-10-18T22:36:23Z","timestamp":1634596583000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Impact of receiver imbalances on the security of continuous variables quantum key distribution"],"prefix":"10.1140","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8496-3063","authenticated-orcid":false,"given":"Daniel","family":"Pereira","sequence":"first","affiliation":[]},{"given":"Margarida","family":"Almeida","sequence":"additional","affiliation":[]},{"given":"Margarida","family":"Fac\u00e3o","sequence":"additional","affiliation":[]},{"given":"Armando N.","family":"Pinto","sequence":"additional","affiliation":[]},{"given":"Nuno A.","family":"Silva","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,10,18]]},"reference":[{"issue":"2","key":"112_CR1","doi-asserted-by":"publisher","first-page":"120","DOI":"10.1145\/359340.359342","volume":"21","author":"RL Rivest","year":"1978","unstructured":"Rivest RL, Shamir A, Adleman L. 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