Femto-second electron transit time characterization in GaN/AlGaN quantum cascade detector at 1.5 micron

A. Vardi; S. Sakr; J. Mangeney; P. K. Kandaswamy; E. Monroy; M. Tchernycheva; S. E. Schacham; F. H. Julien; G. Bahir

doi:10.1063/1.3660583

Femto-second electron transit time characterization in GaN/AlGaN quantum cascade detector at 1.5 micron

A. Vardi
, S. Sakr
, J. Mangeney
, P. K. Kandaswamy
, E. Monroy
, M. Tchernycheva
, S. E. Schacham
, F. H. Julien
, G. Bahir

Department of Electrical and Electronics Engineering

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

38 Scopus citations

Abstract

The ultra fast carrier dynamic in GaN/AlGaN quantum cascade detector was investigated using a time-resolved bias-lead monitoring technique. It is demonstrated that the intrinsic speed limitation, governed by the carrier transit time, is smaller than 1 ps, corresponding to a frequency cut off above 200 GHz.

Original language	English
Article number	202111
Journal	Applied Physics Letters
Volume	99
Issue number	20
DOIs	https://doi.org/10.1063/1.3660583
State	Published - 14 Nov 2011

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title = "Femto-second electron transit time characterization in GaN/AlGaN quantum cascade detector at 1.5 micron",

abstract = "The ultra fast carrier dynamic in GaN/AlGaN quantum cascade detector was investigated using a time-resolved bias-lead monitoring technique. It is demonstrated that the intrinsic speed limitation, governed by the carrier transit time, is smaller than 1 ps, corresponding to a frequency cut off above 200 GHz.",

author = "A. Vardi and S. Sakr and J. Mangeney and Kandaswamy, \{P. K.\} and E. Monroy and M. Tchernycheva and Schacham, \{S. E.\} and Julien, \{F. H.\} and G. Bahir",

note = "Funding Information: The financial support of EC FP7 FET project {\textquotedblleft}UNITRIDE{\textquotedblright} contract No. 233950 is acknowledged.",

year = "2011",

month = nov,

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doi = "10.1063/1.3660583",

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T1 - Femto-second electron transit time characterization in GaN/AlGaN quantum cascade detector at 1.5 micron

AU - Vardi, A.

AU - Sakr, S.

AU - Mangeney, J.

AU - Kandaswamy, P. K.

AU - Monroy, E.

AU - Tchernycheva, M.

AU - Schacham, S. E.

AU - Julien, F. H.

AU - Bahir, G.

N1 - Funding Information: The financial support of EC FP7 FET project “UNITRIDE” contract No. 233950 is acknowledged.

PY - 2011/11/14

Y1 - 2011/11/14

N2 - The ultra fast carrier dynamic in GaN/AlGaN quantum cascade detector was investigated using a time-resolved bias-lead monitoring technique. It is demonstrated that the intrinsic speed limitation, governed by the carrier transit time, is smaller than 1 ps, corresponding to a frequency cut off above 200 GHz.

AB - The ultra fast carrier dynamic in GaN/AlGaN quantum cascade detector was investigated using a time-resolved bias-lead monitoring technique. It is demonstrated that the intrinsic speed limitation, governed by the carrier transit time, is smaller than 1 ps, corresponding to a frequency cut off above 200 GHz.

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DO - 10.1063/1.3660583

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AN - SCOPUS:81855219031

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 20

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ER -

Femto-second electron transit time characterization in GaN/AlGaN quantum cascade detector at 1.5 micron

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