Ring-shaped spatial photoluminescence profiles in two-dimensional semiconductors

被引：1
|
作者：
Inagaki, Takeshi J. [1 ]
Miyake, Aya [1 ]
Aihara, Masaki [1 ]
机构：
[1] Nara Inst Sci & Technol, Grad Sch Mat Sci, Nara 6300192, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2007年 / 76卷 / 11期
关键词：
quantum wells; exciton BEC; nonlinear optical spectroscopy of semiconductors; time-resolved optical spectroscopy of semiconductors; space-resolved optical spectroscopy of semiconductors;
D O I：
10.1143/JPSJ.76.114705
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We theoretically study the ring-shaped spatial photoluminescence (PL) profile in two-dimensional semiconductors. We numerically solve the nonlinear equation of motion for polarizations initially generated by a normally incident excitation light pulse. When the excitation light amplitude exceeds the critical value, the ring-shaped PL profile is formed. A double peak structure is also found for sufficiently strong excitations.
引用
收藏
页数：4
相关论文
共 50 条
  • [31] OFFSETS OF TWO-DIMENSIONAL PROFILES
    TILLER, W
    HANSON, EG
    IEEE COMPUTER GRAPHICS AND APPLICATIONS, 1984, 4 (09) : 36 - 46
  • [32] Spatial and Temporal Characteristics of Infiltration Wetting Front of Ring-Shaped Root Emitters
    Zhang, Jun
    Li, Lin
    SUSTAINABILITY, 2022, 14 (11)
  • [33] Defects activated photoluminescence in two-dimensional semiconductors: interplay between bound, charged and free excitons
    Sefaattin Tongay
    Joonki Suh
    Can Ataca
    Wen Fan
    Alexander Luce
    Jeong Seuk Kang
    Jonathan Liu
    Changhyun Ko
    Rajamani Raghunathanan
    Jian Zhou
    Frank Ogletree
    Jingbo Li
    Jeffrey C. Grossman
    Junqiao Wu
    Scientific Reports, 3
  • [34] Defects activated photoluminescence in two-dimensional semiconductors: interplay between bound, charged, and free excitons
    Tongay, Sefaattin
    Suh, Joonki
    Ataca, Can
    Fan, Wen
    Luce, Alexander
    Kang, Jeong Seuk
    Liu, Jonathan
    Ko, Changhyun
    Raghunathanan, Rajamani
    Zhou, Jian
    Ogletree, Frank
    Li, Jingbo
    Grossman, Jeffrey C.
    Wu, Junqiao
    SCIENTIFIC REPORTS, 2013, 3
  • [35] Laser powder bed fusion of pure copper using ring-shaped beam profiles
    Bauch, Alexander
    Kohlwes, Philipp
    Kelbassa, Ingomar
    JOURNAL OF LASER APPLICATIONS, 2024, 36 (04)
  • [36] A SHAPED APERTURE FOR TWO-DIMENSIONAL MICRODENSITOMETRY
    LASKER, BM
    DAMASHEK, M
    GARNAVICH, PM
    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1986, 98 (599) : 123 - 127
  • [37] Two-dimensional spatial coherence of excitons in semicrystalline polymeric semiconductors: Effect of molecular weight
    Paquin, Francis
    Yamagata, Hajime
    Hestand, Nicholas J.
    Sakowicz, Maciej
    Berube, Nicolas
    Cote, Michel
    Reynolds, Luke X.
    Haque, Saif A.
    Stingelin, Natalie
    Spano, Frank C.
    Silva, Carlos
    PHYSICAL REVIEW B, 2013, 88 (15)
  • [38] Temporal and spatial valley dynamics in two-dimensional semiconductors probed via Kerr rotation
    Huang, Jiani
    Hoang, Thang B.
    Ming, Tian
    Kong, Jing
    Mikkelsen, Maiken H.
    PHYSICAL REVIEW B, 2017, 95 (07)
  • [39] Spatial variation in the photoluminescence spectrum of a heterostructure with a two-dimensional electron gas with localized photoexcitation
    Ryabushkin, O. A.
    Sablikov, V. A.
    Technical Physics Letters, 22 (04):
  • [40] Characteristic of ring-shaped conductance sensor in two-phase flow measurement
    Shi, Yan-Yan
    Dong, Feng
    Tan, Chao
    Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering, 2010, 30 (17): : 62 - 66
12345