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Programmable amplitude- and phase-modulated femtosecond laser pulses in the mid-infrared

MPS-Authors
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Witte,  Thomas
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Zeidler,  Dirk
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60772

Proch,  Detlev
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60628

Kompa,  Karl-Ludwig
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60712

Motzkus,  Marcus
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Citation

Witte, T., Zeidler, D., Proch, D., Kompa, K.-L., & Motzkus, M. (2002). Programmable amplitude- and phase-modulated femtosecond laser pulses in the mid-infrared. Optics Letters, 27(2), 131-133. Retrieved from http://www.opticsInfoBase.org/abstract.cfm?id=67550.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-C265-9
Abstract
We present a scheme to produce programmable phase- and amplitude-modulated femtosecond laser pulses in the mid- infrared regime of 3-10 μm by difference frequency mixing. The 80-fs signal output of an optical parametric amplifier is shaped with a liquid-crystal mask and mixed in an AgGaS2 crystal with a temporally stretched idler pulse. Without changing the mechanical alignment, we produce programmable amplitude modulations and chirped pulses at λ = 3 μm with energy as high has thas 1 μJ. This scheme, further, allows the generation of controllable pulse sequences. The results are in good agreement with theoretical simulations. (C) 2002 Optical Society of America.