Stable source of high quality telecom-band polarization-entangled photon-pairs based on a single, pulse-pumped, short PPLN waveguide

Optics Express
Han Chuen LimKazuro Kikuchi

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
Oct 13, 2007·Physical Review Letters·Jérémie FulconisJohn G Rarity

❮ Previous
Next ❯

Citations

May 10, 2019·Light, Science & Applications·Ming ZhangXi-Feng Ren
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
Feb 12, 2014·Optics Express·I HerbautsH Hübel
Nov 15, 2012·Scientific Reports·Nobuyuki MatsudaHiroki Takesue
Jul 11, 2021·The Review of Scientific Instruments·Ali AnwarAlexander Ling

❮ Previous
Next ❯

Related Concepts

Related Feeds

Cell Imaging in CNS

Here is the latest research on cell imaging and imaging modalities, including light-sheet microscopy, in the central nervous system.