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Efficient method for controlling the spatial coherence of a laser
Micha Nixon, Brandon Redding, Asher Friesem +2
An efficient method to tune the spatial coherence of a degenerate laser over a broad range with minimum variation in the total output power is presented. It is based on varying the…
Multimode Coupling by Boundary Wave Scattering
Li Ge, Qinghai Song, Brandon Redding +3
We show that coupling among multiple resonances can be conveniently introduced and controlled by boundary wave scattering. We demonstrate this principle in optical microcavities of…
On-Chip Random Spectrometer
Brandon Redding, Seng Fatt Liew, Raktim Sarma
Light scattering in disordered media has been studied extensively due to its prevalence in natural and artificial systems [1]. In the field of photonics most of the research has fo…
Multimode optical fiber based spectrometers
Brandon Redding, Sebastien M. Popoff, Hui Cao
A standard multimode optical fiber can be used as a general purpose spectrometer after calibrating the wavelength dependent speckle patterns produced by interference between the gu…