Optimal Coherent Filtering for Single Noisy Photons

التفاصيل البيبلوغرافية
العنوان: Optimal Coherent Filtering for Single Noisy Photons
المؤلفون: Gao, S., Lazo-Arjona, O., Brecht, B., Kaczmarek, K. T., Thomas, S. E., Nunn, J., Ledingham, P. M., Saunders, D. J., Walmsley, I. A.
المصدر: Phys. Rev. Lett. 123, 213604 (2019)
سنة النشر: 2019
المجموعة: Quantum Physics
مصطلحات موضوعية: Quantum Physics
الوصف: We introduce a filter using a noise-free quantum buffer with large optical bandwidth that can both filter temporal-spectral modes, as well as inter-convert them and change their frequency. We show that such quantum buffers optimally filter out temporal-spectral noise; producing identical single-photons from many distinguishable noisy single-photon sources with the minimum required reduction in brightness. We then experimentally demonstrate a noise-free quantum buffer in a warm atomic system that is well matched to quantum dots and can outperform all intensity (incoherent) filtering schemes for increasing indistinguishability.
Comment: 5 pages, 4 Figures
نوع الوثيقة: Working Paper
DOI: 10.1103/PhysRevLett.123.213604
URL الوصول: http://arxiv.org/abs/1902.07720
رقم الأكسشن: edsarx.1902.07720
قاعدة البيانات: arXiv
الوصف
DOI:10.1103/PhysRevLett.123.213604