Femtosecond excitation of confined acoustic modes in 2-D arrayed GaN nanorods

Hung-Pin Chen; Yueh-Chun Wu; Jinn-Kong Sheu; Chi-Kuang Sun

doi:10.1364/QELS.2011.QWH4

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper QWH4
•https://doi.org/10.1364/QELS.2011.QWH4

Femtosecond excitation of confined acoustic modes in 2-D arrayed GaN nanorods

Hung-Pin Chen, Yueh-Chun Wu, Jinn-Kong Sheu, and Chi-Kuang Sun

Quantum Electronics and Laser Science Conference 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

From the session
Dynamics in Nanowires, Rods and Tubes (QWH)

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H. Chen, Y. Wu, J. Sheu, and C. Sun, "Femtosecond excitation of confined acoustic modes in 2-D arrayed GaN nanorods," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper QWH4.

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Abstract

We successfully excited confined acoustic oscillations, which reflect the mechanical properties, in 2-D arrayed GaN nanorods with different diameters, by using femtosecond lasers. A nano-softening effect was observed when rod diameter was less than 150nm.

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