Generating frequency-bin qubits via spontaneous four-wave mixing in a photonic molecule

被引：4
作者：
Chuprina, Ilia N. [1 ,2 ]
Kalachev, Alexey A. [1 ,2 ]
机构：
[1] RAS, Zavoisky Phys Tech Inst, FRC Kazan Sci Ctr, 10-7 Sibirsky Tract St, Kazan 107, Russia
[2] Kazan Fed Univ, 18 Kremlyovskaya St, Kazan 420008, Russia
来源：
PHYSICAL REVIEW A | 2019年 / 100卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
SILICON-NITRIDE; PAIRS; COMB; FABRICATION;
D O I：
10.1103/PhysRevA.100.043843
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A scheme for heralded generation of frequency-bin photonic qubits via spontaneous four-wave mixing in a system of coupled microring resonators (a photonic molecule) is developed so that the qubit state is fully controlled by the frequency amplitude of the pump field. It is shown that coupling parameters of the photonic molecule can be optimized to provide generation of nearly pure heralded photons. The heralded qubit state does not depend on the microring resonator mode frequency, thereby allowing one to take advantage of frequency multiplexing for improving efficiency of quantum information processing.
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收藏
页数：7
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