What question did this study set out to answer?

This research aims to understand how two-color femtosecond laser pulses control excitation and ionization processes in atomic hydrogen.

March 3, 2026Open Access

Control of Multiphoton Excitation and Ionization Channels in Atoms Driven by Two-Color Femtosecond Laser Pulses

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Authors

SLShu-Qiao LiUniversity of Shanghai for Science and Technology LXLiang XuUniversity of Shanghai for Science and Technology JDJia-Hao DongUniversity of Shanghai for Science and Technology

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Implication

Numerical analysis reveals distinct excitation and ionization patterns in atomic hydrogen using dual laser pulses, highlighting modulation implications.

Key Points

This research aims to understand how two-color femtosecond laser pulses control excitation and ionization processes in atomic hydrogen.
Solved the time-dependent Schrödinger equation numerically
Examined atomic hydrogen under a strong 400 nm and weak 800 nm laser
Analyzed electron energy spectra for modulation patterns
Investigated Rydberg states and low-energy ionization peak shifts
Identified distinct modulation in ionization and excitation probabilities depending on laser intensities
Revealed that Rydberg states influence the modulation behavior
Found notable shifts in low-energy ATI peaks correlated with ponderomotive energy increases

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/69a67f06f353c071a6f0adbf https://doi.org/10.3390/photonics13030236

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Implication

Numerical analysis reveals distinct excitation and ionization patterns in atomic hydrogen using dual laser pulses, highlighting modulation implications.

Control of Multiphoton Excitation and Ionization Channels in Atoms Driven by Two-Color Femtosecond Laser Pulses

Discussion

Member takes

Implication

Key Points

Cite This Study

Control of Multiphoton Excitation and Ionization Channels in Atoms Driven by Two-Color Femtosecond Laser Pulses

Discussion

Member takes

Implication

Key Points

Cite This Study

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