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Population Redistribution Among Multiple Electronic States of Molecular Nitrogen Ions in Strong Laser Fields.

• Jinping Yao, Shicheng Jiang, +11 authors Ya Cheng
• Physical review letters
• 2016

We carry out a combined theoretical and experimental investigation on the population distributions in the ground and excited states of tunnel-ionized nitrogen molecules at various driver wavelengths… (More)

Dissociation and Ionization of Quasi-Periodically Vibrating H2+ in Intense Few-Cycle Mid-Infrared Laser Fields

• Shicheng Jiang, Chao Yu, Guanglu Yuan, Tong Wu, Ruifeng Lu
• Scientific reports
• 2017

Using quantum mechanics calculations, we theoretically study the dissociation and ionization dynamics of the hydrogen-molecule ion in strong laser fields. Having prepared the nuclear wave packet of… (More)

Free-space Ν2+ lasers generated in strong laser fields: the role of molecular vibration.

• Bo Xu, Shicheng Jiang, +9 authors Zhizhan Xu
• Optics express
• 2018

We investigate free-space lasing actions from molecular nitrogen ions (N2+) at the wavelengths of ~391 nm and ~428 nm. Our results show that pronounced gain can be measured at either 391 nm or 428 nm… (More)

Interference effects on harmonic generation from H2 + in nonhomogeneous laser field.

• Chao Yu, Shicheng Jiang, +4 authors Ruifeng Lu
• Optics express
• 2016

By solving the time-dependent Schrödinger equation both in simplified one-dimensional coordinate and three-dimensional cylindrical coordinate systems, the high-order harmonic generation from H2 + in… (More)

Lasing in strong-field ionized nitrogen molecules: Influence of nuclear dynamics on population inversion

• Jinping Yao, Shicheng Jiang, +11 authors Ya Cheng
• 2016 Conference on Lasers and Electro-Optics…
• 2016

We investigate nuclear dynamics and population transfer among multiple electronic states in tunnel ionized nitrogen molecules, and clarify the underlying mechanism behind the population inversion… (More)

Capability of GaN based micro-light emitting diodes operated at an injection level of kA/cm².

• Qunying Jiao, Zhi Chen, +14 authors M. D. Dawson
• Optics express
• 2015

Different size InGaN/GaN based micro-LEDs (μLEDs) are fabricated. An extremely high injection level above 16 kA/cm2 is achieved for 10 μm-diameter LED. The lateral current density and carrier… (More)

Role of the Transition Dipole Amplitude and Phase on the Generation of Odd and Even High-Order Harmonics in Crystals.

• Shicheng Jiang, Jigen Chen, Hui Wei, Chao Yu, Ruifeng Lu, Chen Dong Lin
• Physical review letters
• 2018

Since the first observation of odd and even high-order harmonics generated from ZnO crystals in 2011, the dependence of the harmonic yields on the orientation of the laser polarization with respect… (More)

Quantum-trajectory analysis for charge transfer in solid materials induced by strong laser fields.

• Shicheng Jiang, Chao Yu, Guanglu Yuan, Tong Wu, Ziwen Wang, Ruifeng Lu
• Journal of physics. Condensed matter : an…
• 2017

We investigate the dependence of charge transfer on the intensity of driving laser field when SiO2 crystal is irradiated by an 800 nm laser. It is surprising that the direction of charge transfer… (More)

Generation of isolated sub-10-attosecond pulses in spatially inhomogenous two-color fields.

• Xu Cao, Shicheng Jiang, Chao Yu, Yunhui Wang, Lihua Bai, Ruifeng Lu
• Optics express
• 2014

We present a theoretical investigation of high-order harmonic generation in spatially inhomogeneous two-color laser fields by solving three dimensional time dependent Schrödinger equation. The cutoff… (More)

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