Linewidth narrowing of polaritons

被引:15
作者
Kinsler, P
Whittaker, DM
机构
[1] Department of Physics, University of Sheffield
来源
PHYSICAL REVIEW B | 1996年 / 54卷 / 07期
关键词
D O I
10.1103/PhysRevB.54.4988
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Polaritons are formed when the electromagnetic field couples to excitons in a semiconductor. In their high-quality semiconductor quantum microcavities, Fisher er al. observe an unexpected decrease in the polariton linewidth (the full width at half maximum) near resonance. This paper uses Green's-function methods to show how the exciton linewidth and the cavity losses combine together, and that they can give a polariton linewidth reduced below that of either of its components. The quantum well disorder is described as a spatially varying potential due to both alloy fluctuations and well width variation, which causes the exciton component to become broadened.
引用
收藏
页码:4988 / 4995
页数:8
相关论文
共 17 条
[1]   CONTROLLED EXCITON SPONTANEOUS EMISSION IN OPTICAL-MICROCAVITY-EMBEDDED QUANTUM-WELLS [J].
CITRIN, DS .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1994, 30 (04) :997-1014
[2]   QUANTUM TUNNELING AND THERMAL-ACTIVATION IN THE PARAMETRIC OSCILLATOR [J].
DRUMMOND, PD ;
KINSLER, P .
PHYSICAL REVIEW A, 1989, 40 (08) :4813-4816
[3]   ELECTRIC-FIELD AND TEMPERATURE TUNING OF EXCITON-PHOTON COUPLING IN QUANTUM MICROCAVITY STRUCTURES [J].
FISHER, TA ;
AFSHAR, AM ;
WHITTAKER, DM ;
SKOLNICK, MS ;
ROBERTS, JS ;
HILL, G ;
PATE, MA .
PHYSICAL REVIEW B, 1995, 51 (04) :2600-2603
[4]  
FISHER TA, 1996, QUANTUM OPTICS WAVEL
[5]   THEORY OF ASYMMETRIC BROADENING AND SHIFT OF EXCITONS IN QUANTUM STRUCTURES WITH ROUGH INTERFACES [J].
GLUTSCH, S ;
BECHSTEDT, F .
PHYSICAL REVIEW B, 1994, 50 (11) :7733-7742
[6]   GREENS FUNCTIONS FOR A PARTICLE IN A 1-DIMENSIONAL RANDOM POTENTIAL [J].
HALPERIN, BI .
PHYSICAL REVIEW, 1965, 139 (1A) :A104-+
[7]   ELECTRON THEORY OF THE OPTICAL-PROPERTIES OF LASER-EXCITED SEMICONDUCTORS [J].
HAUG, H ;
SCHMITTRINK, S .
PROGRESS IN QUANTUM ELECTRONICS, 1984, 9 (01) :3-100
[8]   Vacuum-field Rabi splitting in the presence of inhomogeneous broadening: Resolution of a homogeneous linewidth in an inhomogeneously broadened system [J].
Houdre, R ;
Stanley, RP ;
Ilegems, M .
PHYSICAL REVIEW A, 1996, 53 (04) :2711-2715
[9]   MEASUREMENT OF CAVITY-POLARITON DISPERSION CURVE FROM ANGLE-RESOLVED PHOTOLUMINESCENCE EXPERIMENTS [J].
HOUDRE, R ;
WEISBUCH, C ;
STANLEY, RP ;
OESTERLE, U ;
PELLANDINI, P ;
ILEGEMS, M .
PHYSICAL REVIEW LETTERS, 1994, 73 (15) :2043-2046
[10]   Testing quantum mechanics using third-order correlations [J].
Kinsler, P .
PHYSICAL REVIEW A, 1996, 53 (04) :2000-2008