Ye Pu

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Related publications (50)

Barium titanate nanoparticles used as second harmonic radiation imaging probes for cell imaging

Rachel Grange, Demetri Psaltis, Chia-Lung Hsieh, Ye Pu, Ye Pu

Luminescent markers play a key role in imaging techniques for life science since they provide a contrast mechanism between signal and background. We describe a new type of marker using second harmonic generation (SHG) from noncentrosymmetric BaTiO3 nanocry ...

2009

Harmonic holographic microscopy with circularly polarized excitation

Rachel Grange, Demetri Psaltis, Chia-Lung Hsieh, Ye Pu, Ye Pu

We have developed a luminescent marker using the second harmonic generation (SHG) from noncentrosymmetric BaTiO3 nanocrystals. These nanoparticles are attractive due to their stable, non-saturating and coherent signal with a femtosecond-scale response time ...

2009

Harmonic Holographic Microscopy Using Nanoparticles as Probes for Three-Dimensional Cell Imaging

Rachel Grange, Demetri Psaltis, Chia-Lung Hsieh, Ye Pu, Ye Pu

We demonstrate the three-dimensional imaging capability of harmonic holographic microscopy by using the second harmonic generation from BaTiO3 nanoparticles as the signal. Three-dimensional distributions of the BaTiO3 nanoparticles in biological cells are ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Lithium niobate nanowires synthesis, optical properties, and manipulation

László Forró, Rachel Grange, Arnaud Magrez, Demetri Psaltis, Jae-Woo Choi, Chia-Lung Hsieh, Rita Smajda, Ye Pu, Ye Pu

Free-standing lithium niobate nanowires (LiNbO3) are synthesized by the hydrothermal route. The polarization response of the second harmonic generation (SHG) signal is measured in a single nanowire and used to identify the crystal orientation by matching w ...

2009

Second-harmonic efficiency of single barium titanate nanoparticles used as biomarkers for cells imaging

Rachel Grange, Demetri Psaltis, Chia-Lung Hsieh, Ye Pu, Ye Pu

2009

Lithium niobate nanowires: Growth, second-harmonic and dielectrophoretic properties

László Forró, Rachel Grange, Arnaud Magrez, Demetri Psaltis, Jae-Woo Choi, Chia-Lung Hsieh, Ye Pu, Ye Pu

2009

Ultrasensitive second harmonic generation nanoprobes via plasmonic coreshell structures

Rachel Grange, Demetri Psaltis, Chia-Lung Hsieh, Ye Pu, Ye Pu

2009

Harmonic holography: a new holographic principle

Demetri Psaltis, Ye Pu, Ye Pu

The process of second harmonic generation (SHG) has a unique property of forming a sharp optical contrast between noncentrosymmetric crystalline materials and other types of material, which is a highly valuable asset for contrast microscopy. The coherent s ...

Optical Society of America2008

Modulational instability in nonlinearity-managed optical media

Demetri Psaltis, Ye Pu, Ye Pu

We investigate analytically, numerically, and experimentally the modulational instability in a layered, cubically nonlinear (Kerr) optical medium that consists of alternating layers of glass and air. We model this setting using a nonlinear Schrödinger (NLS ...

2007

Optical parametric generation in periodically poled KTiOP O4 via extended phase matching

Demetri Psaltis, Ye Pu, Ye Pu

We report an experimental demonstration of optical parametric generation in a periodically poled KTiOP O4 crystal based on the principle of mirrorless optical parametric oscillation. A femtosecond pump pulse spectrally centered at 792 nm from a Ti:sapphire ...

2007

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