Seeded and unseeded high-order parametric down-conversion

被引：18
作者：
Okoth, Cameron [1 ,2 ]
Cavanna, Andrea [1 ,2 ]
Joly, Nicolas Y. [1 ,2 ]
Chekhova, Maria, V [1 ,2 ,3 ]
机构：
[1] Max Planck Inst Sci Light, Staudtstr 2, D-91058 Erlangen, Germany
[2] Univ Erlangen Numberg, Inst Opt Informat & Photon, Staudtstr 7-B2, D-91058 Erlangen, Germany
[3] MV Leninskie Gory Moscow State Univ, Dept Phys, Moscow 119991, Russia
来源：
PHYSICAL REVIEW A | 2019年 / 99卷 / 04期
关键词：
PHOTON TRIPLETS; SQUEEZED STATES; GENERATION; DOWNCONVERSION;
D O I：
10.1103/PhysRevA.99.043809
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Spontaneous parametric down-conversion (SPDC) has been one of the foremost tools in quantum optics for over five decades. Over that time, it has been used to demonstrate some of the curious features that arise from quantum mechanics. Despite the success of SPDC, its higher-order analogs have never been observed, even though it has been suggested that they generate far more unique and exotic states than SPDC. An example of this is the emergence of non-Gaussian states without the need for postselection. Here we calculate the expected rate of emission for nth-order SPDC with and without external stimulation (seeding). Focusing primarily on third-order parametric down-conversion, we estimate the photon detection rates in a rutile crystal for both the unseeded and seeded regimes.
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页数：10
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