“…On one hand, multimode fibers exhibit low transmission losses, large core diameters, high numerical apertures (NAs), and the ability to handle high power. These characteristics render them popular in applications like spectrometers [22], endoscopy [23], holography [24], high-power light delivery [25], and even light detection and ranging (LiDAR) systems [20,21]. On the other hand, in these applications, speckle is readily induced due to the mutual interference between different modes in the fiber, subsequently leading to adverse effects.…”