Bolometric terahertz detection in pinched-off quantum point contacts

J. W. Song; G. R. Aizin; J. Mikalopas; Y. Kawano; K. Ishibashi; N. Aoki; J. L. Reno; Y. Ochiai; J. P. Bird

doi:10.1063/1.3475488

Bolometric terahertz detection in pinched-off quantum point contacts

J. W. Song
, G. R. Aizin
, J. Mikalopas
, Y. Kawano
, K. Ishibashi
, N. Aoki
, J. L. Reno
, Y. Ochiai
, J. P. Bird

Department of Electrical Engineering

SUNY Buffalo
City University of New York
RIKEN
Chiba University
Sandia National Laboratories, New Mexico

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Terahertz (>1 THz) irradiation of pinched-off quantum point contacts (QPCs) generates a pronounced photo-current due to radiation-induced heating. This response is reproduced by a model of temperature-dependent transmission through a saddle potential, confirming its bolometric nature.

Original language	English
Article number	083109
Journal	Applied Physics Letters
Volume	97
Issue number	8
DOIs	https://doi.org/10.1063/1.3475488
State	Published - Aug 23 2010

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title = "Bolometric terahertz detection in pinched-off quantum point contacts",

abstract = "Terahertz (>1 THz) irradiation of pinched-off quantum point contacts (QPCs) generates a pronounced photo-current due to radiation-induced heating. This response is reproduced by a model of temperature-dependent transmission through a saddle potential, confirming its bolometric nature.",

author = "Song, \{J. W.\} and Aizin, \{G. R.\} and J. Mikalopas and Y. Kawano and K. Ishibashi and N. Aoki and Reno, \{J. L.\} and Y. Ochiai and Bird, \{J. P.\}",

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AU - Song, J. W.

AU - Aizin, G. R.

AU - Mikalopas, J.

AU - Kawano, Y.

AU - Ishibashi, K.

AU - Aoki, N.

AU - Reno, J. L.

AU - Ochiai, Y.

AU - Bird, J. P.

PY - 2010/8/23

Y1 - 2010/8/23

N2 - Terahertz (>1 THz) irradiation of pinched-off quantum point contacts (QPCs) generates a pronounced photo-current due to radiation-induced heating. This response is reproduced by a model of temperature-dependent transmission through a saddle potential, confirming its bolometric nature.

AB - Terahertz (>1 THz) irradiation of pinched-off quantum point contacts (QPCs) generates a pronounced photo-current due to radiation-induced heating. This response is reproduced by a model of temperature-dependent transmission through a saddle potential, confirming its bolometric nature.

UR - https://www.scopus.com/pages/publications/77956204821

U2 - 10.1063/1.3475488

DO - 10.1063/1.3475488

M3 - Article

AN - SCOPUS:77956204821

SN - 0003-6951

VL - 97

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 8

M1 - 083109

ER -

Bolometric terahertz detection in pinched-off quantum point contacts

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