Dynamic Characterization and Impulse Response Modeling of Amplitude and Phase Response of Silicon Nanowires

Ciaran S. Cleary; Hua Ji; James M. Dailey; Roderick P. Webb; Robert J. Manning; Michael Galili; Palle Jeppesen; Minhao Pu; Kresten Yvind; Leif Katsuo Oxenløwe

doi:10.1109/JPHOT.2013.2246560

Dynamic Characterization and Impulse Response Modeling of Amplitude and Phase Response of Silicon Nanowires

Ciaran S. Cleary, Hua Ji, James M. Dailey, Roderick P. Webb, Robert J. Manning, Michael Galili, Palle Jeppesen, Minhao Pu, Kresten Yvind, Leif Katsuo Oxenløwe

University College Cork

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

Amplitude and phase dynamics of silicon nanowires were measured using time-resolved spectroscopy. Time shifts of the maximum phase change and minimum amplitude as a function of pump power due to saturation of the free-carrier density were observed. A phenomenological impulse response model used to fit the experimental data indicated that the free-carrier lifetime was between $7.5 \leq \tau_{\rm fc} \leq 16.2\ \hbox{ns}$, and the two-photon absorption coefficient and the Kerr coefficient were $3 \times 10^{-12}\ \hbox{m.W}^{-1}$ and $4 \times 10^{-18}\ \hbox{m}^{2}.\hbox{W}^{-1}$, respectively, for silicon nanowires with lengths varying from 3.6 to 14.9 mm.

Original language	English
Journal	I E E E Photonics Journal
Volume	5
Issue number	2
Pages (from-to)	4500111
Number of pages	11
ISSN	1943-0655
DOIs	https://doi.org/10.1109/JPHOT.2013.2246560
Publication status	Published - 2013

Keywords

Silicon nanowire
Pump–probe spectroscopy
Two-photon absorption (TPA)
Free-carrier absorption (FCA)

Access to Document

10.1109/JPHOT.2013.2246560

OpenUrl availability

Full text

SiMOF: CMOS-Compatible Silicon-Based Micro-Ring Resonator for On-Chip Optical Frequency Comb Generation (SiMOF)
Pu, M. (Project Manager), Yvind, K. (Project Participant) & Peucheret, C. (Project Participant)
01/01/2012 → 30/09/2015
Project: Research

Cite this

@article{94437210c68e458d8a529eefe5d3dad0,

title = "Dynamic Characterization and Impulse Response Modeling of Amplitude and Phase Response of Silicon Nanowires",

abstract = "Amplitude and phase dynamics of silicon nanowires were measured using time-resolved spectroscopy. Time shifts of the maximum phase change and minimum amplitude as a function of pump power due to saturation of the free-carrier density were observed. A phenomenological impulse response model used to fit the experimental data indicated that the free-carrier lifetime was between $7.5 \leq \tau_{\rm fc} \leq 16.2\ \hbox{ns}$, and the two-photon absorption coefficient and the Kerr coefficient were $3 \times 10^{-12}\ \hbox{m.W}^{-1}$ and $4 \times 10^{-18}\ \hbox{m}^{2}.\hbox{W}^{-1}$, respectively, for silicon nanowires with lengths varying from 3.6 to 14.9 mm.",

keywords = "Silicon nanowire, Pump–probe spectroscopy, Two-photon absorption (TPA), Free-carrier absorption (FCA)",

author = "Cleary, {Ciaran S.} and Hua Ji and Dailey, {James M.} and Webb, {Roderick P.} and Manning, {Robert J.} and Michael Galili and Palle Jeppesen and Minhao Pu and Kresten Yvind and Oxenl{\o}we, {Leif Katsuo}",

year = "2013",

doi = "10.1109/JPHOT.2013.2246560",

language = "English",

volume = "5",

pages = "4500111",

journal = "I E E E Photonics Journal",

issn = "1943-0655",

publisher = "IEEE",

number = "2",

}

TY - JOUR

T1 - Dynamic Characterization and Impulse Response Modeling of Amplitude and Phase Response of Silicon Nanowires

AU - Cleary, Ciaran S.

AU - Ji, Hua

AU - Dailey, James M.

AU - Webb, Roderick P.

AU - Manning, Robert J.

AU - Galili, Michael

AU - Jeppesen, Palle

AU - Pu, Minhao

AU - Yvind, Kresten

AU - Oxenløwe, Leif Katsuo

PY - 2013

Y1 - 2013

N2 - Amplitude and phase dynamics of silicon nanowires were measured using time-resolved spectroscopy. Time shifts of the maximum phase change and minimum amplitude as a function of pump power due to saturation of the free-carrier density were observed. A phenomenological impulse response model used to fit the experimental data indicated that the free-carrier lifetime was between $7.5 \leq \tau_{\rm fc} \leq 16.2\ \hbox{ns}$, and the two-photon absorption coefficient and the Kerr coefficient were $3 \times 10^{-12}\ \hbox{m.W}^{-1}$ and $4 \times 10^{-18}\ \hbox{m}^{2}.\hbox{W}^{-1}$, respectively, for silicon nanowires with lengths varying from 3.6 to 14.9 mm.

AB - Amplitude and phase dynamics of silicon nanowires were measured using time-resolved spectroscopy. Time shifts of the maximum phase change and minimum amplitude as a function of pump power due to saturation of the free-carrier density were observed. A phenomenological impulse response model used to fit the experimental data indicated that the free-carrier lifetime was between $7.5 \leq \tau_{\rm fc} \leq 16.2\ \hbox{ns}$, and the two-photon absorption coefficient and the Kerr coefficient were $3 \times 10^{-12}\ \hbox{m.W}^{-1}$ and $4 \times 10^{-18}\ \hbox{m}^{2}.\hbox{W}^{-1}$, respectively, for silicon nanowires with lengths varying from 3.6 to 14.9 mm.

KW - Silicon nanowire

KW - Pump–probe spectroscopy

KW - Two-photon absorption (TPA)

KW - Free-carrier absorption (FCA)

U2 - 10.1109/JPHOT.2013.2246560

DO - 10.1109/JPHOT.2013.2246560

M3 - Journal article

SN - 1943-0655

VL - 5

SP - 4500111

JO - I E E E Photonics Journal

JF - I E E E Photonics Journal

IS - 2

ER -

Dynamic Characterization and Impulse Response Modeling of Amplitude and Phase Response of Silicon Nanowires

Abstract

Keywords

Access to Document

OpenUrl availability

Fingerprint

Projects

SiMOF: CMOS-Compatible Silicon-Based Micro-Ring Resonator for On-Chip Optical Frequency Comb Generation (SiMOF)

Cite this