Negligible pure dephasing in InAs self-assembled quantum dots

Junko Ishi-Hayase; Kouichi Akahane; Naokatsu Yamamoto; Mamiko Kujiraoka; Kazuhiro Ema; Masahide Sasaki

doi:10.1143/JJAP.46.6352

Negligible pure dephasing in InAs self-assembled quantum dots

Junko Ishi-Hayase, Kouichi Akahane, Naokatsu Yamamoto, Mamiko Kujiraoka, Kazuhiro Ema, Masahide Sasaki

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

4 Citations (Scopus)

Abstract

We measured the dephasing time and radiative lifetime of excitons in InAs quantum dots fabricated using the strain compensation technique. The dephasing time at 3 K was as long as 2.86ns using transient four-wave mixing measurements at an excitation wavelength of 1.468 μm. This ultralong dephasing time was due to the significant suppression of pure dephasing.

Original language	English
Pages (from-to)	6352-6354
Number of pages	3
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	46
Issue number	9 B
DOIs	https://doi.org/10.1143/JJAP.46.6352
Publication status	Published - 2007 Sept 20
Externally published	Yes

Keywords

Coherent nonlinear spectroscopy
Dephasing
Exciton-phonon interaction
Quantum dot

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

Access to Document

10.1143/JJAP.46.6352

Cite this

@article{4fde525b34d546c38810465fc529ba48,

title = "Negligible pure dephasing in InAs self-assembled quantum dots",

abstract = "We measured the dephasing time and radiative lifetime of excitons in InAs quantum dots fabricated using the strain compensation technique. The dephasing time at 3 K was as long as 2.86ns using transient four-wave mixing measurements at an excitation wavelength of 1.468 μm. This ultralong dephasing time was due to the significant suppression of pure dephasing.",

keywords = "Coherent nonlinear spectroscopy, Dephasing, Exciton-phonon interaction, Quantum dot",

author = "Junko Ishi-Hayase and Kouichi Akahane and Naokatsu Yamamoto and Mamiko Kujiraoka and Kazuhiro Ema and Masahide Sasaki",

year = "2007",

month = sep,

day = "20",

doi = "10.1143/JJAP.46.6352",

language = "English",

volume = "46",

pages = "6352--6354",

journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers",

issn = "0021-4922",

publisher = "Japan Society of Applied Physics",

number = "9 B",

}

TY - JOUR

T1 - Negligible pure dephasing in InAs self-assembled quantum dots

AU - Ishi-Hayase, Junko

AU - Akahane, Kouichi

AU - Yamamoto, Naokatsu

AU - Kujiraoka, Mamiko

AU - Ema, Kazuhiro

AU - Sasaki, Masahide

PY - 2007/9/20

Y1 - 2007/9/20

N2 - We measured the dephasing time and radiative lifetime of excitons in InAs quantum dots fabricated using the strain compensation technique. The dephasing time at 3 K was as long as 2.86ns using transient four-wave mixing measurements at an excitation wavelength of 1.468 μm. This ultralong dephasing time was due to the significant suppression of pure dephasing.

AB - We measured the dephasing time and radiative lifetime of excitons in InAs quantum dots fabricated using the strain compensation technique. The dephasing time at 3 K was as long as 2.86ns using transient four-wave mixing measurements at an excitation wavelength of 1.468 μm. This ultralong dephasing time was due to the significant suppression of pure dephasing.

KW - Coherent nonlinear spectroscopy

KW - Dephasing

KW - Exciton-phonon interaction

KW - Quantum dot

UR - http://www.scopus.com/inward/record.url?scp=34648822124&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=34648822124&partnerID=8YFLogxK

U2 - 10.1143/JJAP.46.6352

DO - 10.1143/JJAP.46.6352

M3 - Article

AN - SCOPUS:34648822124

SN - 0021-4922

VL - 46

SP - 6352

EP - 6354

JO - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

IS - 9 B

ER -

Negligible pure dephasing in InAs self-assembled quantum dots

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this