Frequency-domain nonlinear optics in two-dimensionally patterned quasi-phase-matching media

Phillips, C. R.; Mayer, B. W.; Gallmann, Lukas; Keller, U. (2016). Frequency-domain nonlinear optics in two-dimensionally patterned quasi-phase-matching media. Optics express, 24(14), pp. 15940-15953. Optical Society of America 10.1364/OE.24.015940

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Advances in the amplification and manipulation of ultrashort laser pulses have led to revolutions in several areas. Examples include chirped pulse amplification for generating high peak-power lasers, power-scalable amplification techniques, pulse shaping via modulation of spatially-dispersed laser pulses, and efficient frequency-mixing in quasi-phase-matched nonlinear crystals to access new spectral regions. In this work, we introduce and demonstrate a new platform for nonlinear optics which has the potential to combine these separate functionalities (pulse amplification, frequency transfer, and pulse shaping) into a single monolithic device that is bandwidth- and power-scalable. The approach is based on two-dimensional (2D) patterning of quasi-phase-matching (QPM) gratings combined with optical parametric interactions involving spatially dispersed laser pulses. Our proof of principle experiment demonstrates this technique via mid-infrared optical parametric chirped pulse amplification of few-cycle pulses. Additionally, we present a detailed theoretical and numerical analysis of such 2D-QPM devices and how they can be designed.

Item Type:

Journal Article (Original Article)


08 Faculty of Science > Institute of Applied Physics
08 Faculty of Science > Institute of Applied Physics > Lasers

UniBE Contributor:

Gallmann, Lukas


600 Technology > 620 Engineering
500 Science > 530 Physics




Optical Society of America




Simone Corry

Date Deposited:

13 Jul 2017 09:22

Last Modified:

13 Jul 2017 09:22

Publisher DOI:





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