Enhancement cavities for zero-offset-frequency pulse trains

The optimal enhancement of broadband optical pulses in a passive resonator requires a seeding pulse train with a specific carrier-envelope-offset frequency. Here, we control the phase of the cavity mirrors to tune the offset frequency for which a given comb is optimally enhanced. This enables the en...

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Bibliographic Details
Published in:Optics letters 2015-05, Vol.40 (10), p.2165-2168
Main Authors: Holzberger, S, Lilienfein, N, Trubetskov, M, Carstens, H, Lücking, F, Pervak, V, Krausz, F, Pupeza, I
Format: Article
Language:English
Subjects:
Attosecond pulses
Broadband
Holes
Nucleation
Optical pulses
Optimization
Resonators
Slip
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Summary:The optimal enhancement of broadband optical pulses in a passive resonator requires a seeding pulse train with a specific carrier-envelope-offset frequency. Here, we control the phase of the cavity mirrors to tune the offset frequency for which a given comb is optimally enhanced. This enables the enhancement of a zero-offset-frequency train of sub-30-fs pulses to multi-kW average powers. The combination of pulse duration, power, and zero phase slip constitutes a crucial step toward the generation of attosecond pulses at multi-10-MHz repetition rates. In addition, this control affords the enhancement of pulses generated by difference-frequency mixing, e.g., for mid-infrared spectroscopy.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.40.002165