  The development of fast magnonic information processing nanodevices requires
operating with short spin-wave pulses, but, the shorter the pulses, the more
affected they are by information loss due to broadening and dispersion. The
capability of engineering spin-wave pulses and controlling their propagation
could solve this problem. Here, we provide a method to generate linear
spin-wave pulses with a desired spatial-temporal profile in magnonic waveguides
based on inverse design. As relevant examples, we theoretically predict that
both rectangular and self-compressing spin-wave pulses can be generated in
state-of-the-art waveguides with fidelities >96% using narrow stripline
antennas. The method requires minimal computational overhead and is universal,
i.e., it applies to arbitrary targeted pulse shapes, type of waves (exchange or
dipolar), waveguide materials, and waveguide geometries. It can also be
extended to more complex magnonic structures. Our results could lead to the
utilization of large-scale magnonic circuits for classical and quantum
information processing.
