Second order dispersion in the interferometer's optical elements for quantum cryptography (QC) system
Joint Authors
Ahmad, Duha Sadi
Huraiji, Ahlam L.
Abd al-Fattah, Ali K.
Haydar, Adawiya Jumah
Source
Engineering and Technology Journal
Issue
Vol. 27, Issue 04 (30 Mar. 2009), pp.654-662, 9 p.
Publisher
Publication Date
2009-03-30
Country of Publication
Iraq
No. of Pages
9
Main Subjects
Topics
Abstract AR
تم في هذا العمل دراسة قابلية الرؤيا كدالة لتأخير المسار البصري, و قد أظهرت النتائج أن شكل منخفض التداخل يتغير بزيادة معلمة التشتت من الدرجة الثانية (Dp) و بالتالي زيادة قابلية الرؤيا إن معلمة الزقزقة اللاصفرية (ai) لنبضة الضخ تعطي قمم متمركزة عالية و من ناحية تؤدي إلى انخفاض قابلية الرؤيا, و عند البلورات الطويلة تبقى القمم ثابتة بينما يؤدي التشتت في العناصر البصرية إلى التشوه في منخفض نمط التداخل و تتوسع المنخفضات عند الأطوال الكبيرة للمادة ثنائية الانكسار (l = 20-30 mm) و أعلى رؤيا عند عندما يكون تشتت المواد ثنائية الانكسار (0 = d) فيما يكون المنخفض أكثر عرضا.
Abstract EN
In this study, we have studied the entangled photon source and how the coincident count rate and visibility could be affected by the optical elements of the system setup.
The profile of the interference dip of the optical elements for Quantum Cryptography (QC) system is modified by the increase of the second order dispersion parameter (Dp) and lead to increase of visibility.
Non zero chirp parameter (ai) of the pump beam can provide a higher central peak but on the other hand it reduces the visibility, the peak remains, while the dispersion in an optical element through which down converted photon propagate leads to asymmetry in the interference pattern dip, the dip is particularly stretched with larger value of birefringent material length (20-30) mm.
The highest visibility at birefringent material dispersion (d) equals to zero, and the dip was broader at larger value of (d).
American Psychological Association (APA)
Ahmad, Duha Sadi& Huraiji, Ahlam L.& Abd al-Fattah, Ali K.& Haydar, Adawiya Jumah. 2009. Second order dispersion in the interferometer's optical elements for quantum cryptography (QC) system. Engineering and Technology Journal،Vol. 27, no. 04, pp.654-662.
https://search.emarefa.net/detail/BIM-49740
Modern Language Association (MLA)
Ahmad, Duha Sadi…[et al.]. Second order dispersion in the interferometer's optical elements for quantum cryptography (QC) system. Engineering and Technology Journal Vol. 27, no. 04 (2009), pp.654-662.
https://search.emarefa.net/detail/BIM-49740
American Medical Association (AMA)
Ahmad, Duha Sadi& Huraiji, Ahlam L.& Abd al-Fattah, Ali K.& Haydar, Adawiya Jumah. Second order dispersion in the interferometer's optical elements for quantum cryptography (QC) system. Engineering and Technology Journal. 2009. Vol. 27, no. 04, pp.654-662.
https://search.emarefa.net/detail/BIM-49740
Data Type
Journal Articles
Language
English
Notes
Includes appendices : p. 659-662
Record ID
BIM-49740
