Time-division multiplexing of the orbital angular momentum of light

被引：40
|
作者：
Karimi, Ebrahim [1 ]
Marrucci, Lorenzo [1 ,2 ]
de Lisio, Corrado [1 ,2 ]
Santamato, Enrico [1 ,3 ]
机构：
[1] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
[2] CNR SPIN, I-80126 Naples, Italy
[3] CNISM Consorzio Nazl Interuniv Sci Fis Materia, Naples, Italy
来源：
OPTICS LETTERS | 2012年 / 37卷 / 02期
关键词：
SINGLE-PHOTON; STATES;
D O I：
10.1364/OL.37.000127
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present an optical setup for generating a sequence of light pulses in which the orbital angular momentum (OAM) degree of freedom is correlated with the temporal one. The setup is based on a single q plate within a ring optical resonator. By this approach, we demonstrate the generation of a train of pulses carrying increasing values of OAM, or, alternatively, of a controlled temporal sequence of pulses having prescribed OAM superposition states. Finally, we exhibit an "OAM-to-time conversion" apparatus that divides different input OAM states into different time bins. The latter application provides a simple approach to digital spiral spectroscopy of pulsed light. (C) 2012 Optical Society of America
引用
收藏
页码：127 / 129
页数：3
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