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On the interferometric coherent structures in femtosecond supercontinuum generation

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Abstract

We report structured interferometric features in femtosecond supercontinuum generation (FSG) with incident laser powers that are near threshold for FSG. We argue that near threshold, these structures arise from the coherent superposition of pulses that are split initially into two daughter pulses during FSG process. Increase in the input pulse energy generates multiple daughter fragments in the temporal domain to an extent that correlated interference structures are not measurable.

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Acknowledgments

We acknowledge the financial supports from the Department of Science and Technology (DST), Ministry of Human Resource and Development (MHRD), Indian Space Research Organization (ISRO), and University Grants Commission (UGC), India. Additionally, we thank Ms. S. Goswami for language corrections in the manuscript.

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  1. Indian Institute of Technology Kanpur, Kanpur, 208016, India

    Sirshendu Dinda, Soumendra Nath Bandyopadhyay & Debabrata Goswami

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  1. Sirshendu Dinda
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  2. Soumendra Nath Bandyopadhyay
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  3. Debabrata Goswami
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Correspondence to Debabrata Goswami.

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Dinda, S., Bandyopadhyay, S.N. & Goswami, D. On the interferometric coherent structures in femtosecond supercontinuum generation. Appl. Phys. B 122, 148 (2016). https://doi.org/10.1007/s00340-016-6432-x

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  • DOI: https://doi.org/10.1007/s00340-016-6432-x

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