Single attosecond pulse generation from a capacitor target irraidated by a circularly polarized laser

Area of Science:

• Quantum Optics
• Attosecond Science
• Laser-Matter Interactions

Background:

• Single attosecond pulses are crucial for observing and controlling electron dynamics at the atomic scale.
• Existing methods for generating attosecond pulses face challenges in intensity and robustness.

Purpose of the Study:

• To propose a novel method for generating intense single attosecond pulses.
• To enhance the energy and polarization control of attosecond pulses.
• To explore potential applications in studying magnetism and chirality.

Main Methods:

• Simulating the interaction of a circularly polarized laser with a charged capacitor target.
• Utilizing coherent synchrotron emission for high-order harmonic generation.
• Employing a filter to isolate the single attosecond pulse.

Main Results:

• Successful generation of a single attosecond pulse with energy enhanced by over an order of magnitude compared to nanofoil methods.
• Robust generation without critical filtering, producing elliptically or circularly polarized pulses.
• Pulses carry orbital angular momentum, enabling advanced research capabilities.

Conclusions:

• The proposed capacitor-based method offers a significant advancement in attosecond pulse generation.
• The generated versatile pulses are suitable for high-resolution studies of matter's magnetic and chiral properties.
• This technique provides a more robust and efficient alternative for producing high-intensity attosecond pulses.