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  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
  • (Optica Publishing Group, 2011),
  • paper C887

Spectral broadening and phase shaping of mid-IR pulses

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Abstract

Efficient spectral broadening of mid-IR short pulses was achieved by use of self-phase modulation in a GaAs single crystal. The spectral bandwidth of the pulse at the center wavelength of 5 micron increased from 540 nm to 2060 nm. Subsequent dispersive propagation compressed the temporal duration down to three optical cycles. The precise shaping of mid-IR pulses was achieved by use of a semiconductor acousto-optic modulator. The spectral interferometry cross-correlation measurements evaluated the shaped phase with good reproducibility.

© 2011 AOS

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