Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies

S. A. Lynch; R. Bates; D. J. Paul; D. J. Norris; A. G. Cullis; Z. Ikonic; R. W. Kelsall; P. Harrison; D. D. Arnone; C. R. Pidgeon

doi:10.1063/1.1501759

Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies

S. A. Lynch, R. Bates, D. J. Paul, D. J. Norris, A. G. Cullis, Z. Ikonic, R. W. Kelsall, P. Harrison, D. D. Arnone, C. R. Pidgeon

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

139 Citations (Scopus)

Abstract

The quantum cascade laser provides one possible method of realizing high efficiency light emitters in indirect band gap materials such as silicon. Electroluminescence results from Si/SiGe quantum cascade emitters are presented demonstrating edge emission from heavy-hole to heavy-hole transitions and light-hole to heavy-hole transitions. In surface-normal emission, only light-hole to heavy-hole electroluminescence is observed as predicted by theory. Intersubband emission is demonstrated at 2.9 THz (103 μm wavelength), 8.9 THz (33.7 μm), and 16.2 THz (18.5 μm) from the Si/SiGe quantum cascade heterostructures.

Original language	English
Pages (from-to)	1543-1545
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	9
Early online date	19 Aug 2002
DOIs	https://doi.org/10.1063/1.1501759
Publication status	Published - 26 Aug 2002
Externally published	Yes

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title = "Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies",

abstract = "The quantum cascade laser provides one possible method of realizing high efficiency light emitters in indirect band gap materials such as silicon. Electroluminescence results from Si/SiGe quantum cascade emitters are presented demonstrating edge emission from heavy-hole to heavy-hole transitions and light-hole to heavy-hole transitions. In surface-normal emission, only light-hole to heavy-hole electroluminescence is observed as predicted by theory. Intersubband emission is demonstrated at 2.9 THz (103 μm wavelength), 8.9 THz (33.7 μm), and 16.2 THz (18.5 μm) from the Si/SiGe quantum cascade heterostructures.",

keywords = "Electroluminescence, Energy gap, Quantum cascade lasers",

author = "Lynch, {S. A.} and R. Bates and Paul, {D. J.} and Norris, {D. J.} and Cullis, {A. G.} and Z. Ikonic and Kelsall, {R. W.} and P. Harrison and Arnone, {D. D.} and Pidgeon, {C. R.}",

year = "2002",

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doi = "10.1063/1.1501759",

language = "English",

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TY - JOUR

T1 - Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies

AU - Lynch, S. A.

AU - Bates, R.

AU - Paul, D. J.

AU - Norris, D. J.

AU - Cullis, A. G.

AU - Ikonic, Z.

AU - Kelsall, R. W.

AU - Harrison, P.

AU - Arnone, D. D.

AU - Pidgeon, C. R.

PY - 2002/8/26

Y1 - 2002/8/26

N2 - The quantum cascade laser provides one possible method of realizing high efficiency light emitters in indirect band gap materials such as silicon. Electroluminescence results from Si/SiGe quantum cascade emitters are presented demonstrating edge emission from heavy-hole to heavy-hole transitions and light-hole to heavy-hole transitions. In surface-normal emission, only light-hole to heavy-hole electroluminescence is observed as predicted by theory. Intersubband emission is demonstrated at 2.9 THz (103 μm wavelength), 8.9 THz (33.7 μm), and 16.2 THz (18.5 μm) from the Si/SiGe quantum cascade heterostructures.

AB - The quantum cascade laser provides one possible method of realizing high efficiency light emitters in indirect band gap materials such as silicon. Electroluminescence results from Si/SiGe quantum cascade emitters are presented demonstrating edge emission from heavy-hole to heavy-hole transitions and light-hole to heavy-hole transitions. In surface-normal emission, only light-hole to heavy-hole electroluminescence is observed as predicted by theory. Intersubband emission is demonstrated at 2.9 THz (103 μm wavelength), 8.9 THz (33.7 μm), and 16.2 THz (18.5 μm) from the Si/SiGe quantum cascade heterostructures.

KW - Electroluminescence

KW - Energy gap

KW - Quantum cascade lasers

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U2 - 10.1063/1.1501759

DO - 10.1063/1.1501759

M3 - Article

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SN - 0003-6951

VL - 81

SP - 1543

EP - 1545

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 9

ER -

Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies

Abstract

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