Coherent Cherenkov radiation and laser oscillation in a photonic crystal

被引：16
作者：
Denis, T. [1 ,2 ]
van Dijk, M. W. [1 ,2 ]
Lee, J. H. H. [1 ,2 ]
van der Meer, R. [1 ,2 ]
Strooisma, A. [1 ,2 ]
van der Slot, P. J. M. [1 ,2 ]
Vos, W. L. [2 ,3 ]
Boller, K. -J. [1 ,2 ]
机构：
[1] Univ Twente, Dept Sci & Technol, LPNO, POB 217, NL-7500 AE Enschede, Netherlands
[2] Univ Twente, MESA Inst Nanotechnol, POB 217, NL-7500 AE Enschede, Netherlands
[3] Univ Twente, Dept Sci & Technol, Complex Photon Syst COPS, POB 217, NL-7500 AE Enschede, Netherlands
来源：
PHYSICAL REVIEW A | 2016年 / 94卷 / 05期
关键词：
SPONTANEOUS EMISSION; ELECTRONS; SILICON;
D O I：
10.1103/PhysRevA.94.053852
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate that photonic crystals can be used to generate powerful and highly coherent Cherenkov radiation that is excited by the injection of a beam of free electrons. Using theoretical and numerical investigations we present the startup dynamics and coherence properties of such a laser, in which gain is provided by matching the optical phase velocity in the photonic crystal to the velocity of the electron beam. The operating frequency can be varied by changing the electron beam energy and scaled to different ranges by varying the lattice constant of the photonic crystal.
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页数：7
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