Integrated injection seeded terahertz source and amplifier for time-domain spectroscopy

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Integrated injection seeded terahertz source and amplifier for time-domain spectroscopy.

We used a terahertz (THz) quantum cascade laser (QCL) as an integrated injection seeded source and amplifier for THz time-domain spectroscopy. A THz input pulse is generated inside a QCL by illuminating the laser facet with a near-IR pulse from a femtosecond laser and amplified using gain switching. The THz output from the QCL is found to saturate upon increasing the amplitude of the THz input ...

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An integrated injection seeded THz source and amplifier for time-domain spectroscopy

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ژورنال

عنوان ژورنال: Optics Letters

سال: 2012

ISSN: 0146-9592,1539-4794

DOI: 10.1364/ol.37.000731