Manipulating terahertz photons on a quantum Hall effect device

被引：4

作者：

Ikushima, K. ^{[1
,2
]}

Asaoka, D. ^{[3
]}

Komiyama, S. ^{[3
]}

Ueda, T. ^{[3
]}

Hirakawa, K. ^{[4
]}

机构：

[1] Tokyo Univ Agr & Technol, Dept Appl Phys, Koganei, Tokyo 1848588, Japan

[2] JST, PRESTO, Kawaguchi, Saitama 3320012, Japan

[3] Univ Tokyo, Dept Basic Sci, Meguro Ku, Tokyo 1538902, Japan

[4] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2010年 / 42卷 / 04期

关键词：

Quantum Hall effect; Quantum dot; Terahertz emission; ELECTRONS;

D O I：

10.1016/j.physe.2009.11.136

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An on-chip terahertz measurement has been performed to investigate photon generation due to electrons injected by quantum Hall edge channels. In this device configuration, terahertz waves emitted from a quantum Hall effect device are transmitted to a quantum-dot single photon detector (fabricated on the same chip) via a coplanar waveguide. Photon generation is found on the confluence of unequally populated edge channels when the source-drain voltage reaches a level of Landau-level energy spacing. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1034 / 1037

页数：4

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