Five-cycle pulses near lambda=3 mu m produced in a subharmonic optical parametric oscillator via fine dispersion management

    Authors

    M. W. Haakestad; A. Marandi; N. Leindecker;K. L. Vodopyanov

    Comments

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    Abbreviated Journal Title

    Laser Photon. Rev.

    Keywords

    Ultrafast nonlinear optics; optical parametric oscillators; periodically-poled lithium niobate; mid-infrared; FREQUENCY COMB SOURCE; MIDINFRARED PULSES; OPO; Optics; Physics, Applied; Physics, Condensed Matter

    Abstract

    Five-cycle (50fs) mid-IR pulses at 80-MHz repetition rate are produced using a degenerate (subharmonic) optical parametric oscillator (OPO), synchronously pumped by an ultrafast 1560-nm fiber laser. The effects of cavity dispersion and the length of a periodically poled lithium niobate (PPLN) gain element on the output spectrum and pulse duration are investigated by taking advantage of a very broad (approximate to 1000cm(-1)) gain bandwidth near the 3.1-m OPO degeneracy point. A new method of assessing the total OPO group delay dispersion across its entire spectrum is proposed, based on measuring spectral signatures of trace amounts of molecular gases injected into the OPO cavity.

    Journal Title

    Laser & Photonics Reviews

    Volume

    7

    Issue/Number

    6

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    L93

    Last Page

    L97

    WOS Identifier

    WOS:000328150300008

    ISSN

    1863-8880

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