Highly efficient generation of pulsed photon pairs with bulk periodically poled potassium titanyl phosphate

被引：19

作者：

Shi, BS ^{[1
]}

Tomita, A ^{[1
]}

机构：

[1] NEC Corp Ltd, Imai Quantum Computat & Informat Project, Fundamental Res Labs, Japan Sci & Technol Agcy,NEC Tsukuba Labs,Explora, Tsukuba, Ibaraki 3058501, Japan

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2004年 / 21卷 / 12期

关键词：

D O I：

10.1364/JOSAB.21.002081

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate efficient generation of collinearly propagating, degenerate pulsed photon pairs based on a bulk periodically poled potassium titanyl phosphate pumped by an ultrashort-pulse laser. Using a single-mode fiber as a spatial mode filter, we detect approximately 3200 coincidence counts per second per milliwatt pump power in a Hanbury-Brown-Twiss-type experiment. The estimated photon-pair production rate is approximately 1.05 MHz/mW pump power. This is very promising for the realization of sources for quantum communication and metrology. (C) 2004 Optical Society of America.

引用

页码：2081 / 2084

页数：4

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