Abstract
We demonstrate a stable source of high quality telecom-band polarization-entangled photon-pairs based on a single, pulse-pumped, short periodically-poled lithium niobate (PPLN) waveguide. Full quantum state tomographic measurement performed on the photon-pairs has revealed a very high state purity of 0.94, and an entanglement fidelity exceeding 0.96 at the low-rate-regime. At higher rates, entanglement quality degrades due to emission of multiple-pairs. Using a new model, we have confirmed that the observed degradation is largely due to double- and triple-pair emissions.
References
Aug 5, 1991·Physical Review Letters·A K Ekert
Mar 29, 1993·Physical Review Letters·C H BennettW K Wootters
Nov 5, 2004·Physical Review Letters·I MarcikicN Gisin
Mar 24, 2005·Physical Review Letters·Xiaoying LiPrem Kumar
May 27, 2006·Optics Letters·Kim Fook LeePrem Kumar
Oct 13, 2007·Physical Review Letters·Jérémie FulconisJohn G Rarity
Jun 11, 2008·Optics Express·G B XavierJ P von der Weid
Jul 26, 2004·Optics Express·Matthew PeltonFredrik Laurell
Oct 3, 2005·Optics Express·Hiroki Takesue, Kyo Inoue
May 28, 2007·Optics Express·S SaugeA Karlsson
Jun 11, 2007·Optics Express·Hannes HübelAnton Zeilinger
Oct 17, 2007·Optics Express·T HonjoK Inoue
Dec 24, 2007·Optics Express·Jie ChenHeping Zeng
Citations
Dec 24, 2008·Optics Express·Han Chuen LimKazuro Kikuchi
Dec 18, 2010·Optics Express·P J ThomasM H Dunn
Oct 17, 2014·Optics Express·Mao Tong Liu, Han Chuen Lim
Oct 1, 2008·Optics Express·Han Chuen LimKazuro Kikuchi
Jun 2, 2017·Optics Letters·A SchlagerG Weihs
May 10, 2019·Light, Science & Applications·Ming ZhangXi-Feng Ren
Sep 22, 2011·Optics Express·Shin ArahiraShuichiro Inoue
Sep 17, 2008·Optics Express·Han Chuen LimKazuro Kikuchi
Jul 1, 2010·Optics Express·Yinghong XueHidemi Tsuchida
Apr 27, 2012·Optics Express·Shin ArahiraHitoshi Murai
Jun 13, 2014·Optics Express·Shin Arahira, Hitoshi Murai
Oct 19, 2017·Optics Express·Changjia ChenLi Qian
Mar 25, 2019·Scientific Reports·Heonoh KimHan Seb Moon
Jan 16, 2019·Optics Express·Evan Meyer-ScottChristine Silberhorn
Feb 12, 2014·Optics Express·I HerbautsH Hübel
Nov 15, 2012·Scientific Reports·Nobuyuki MatsudaHiroki Takesue
May 15, 2021·Optics Express·G Y ChenX D Zhang
Jul 11, 2021·The Review of Scientific Instruments·Ali AnwarAlexander Ling