Photonic Crystal Vertical Cavity Surface Emitting Laser Arrays

Contributing USMA Research Unit(s)

Electrical Engineering and Computer Science

Publication Date


Publication Title

Journal of Modern Optics 53(16):2303-2308

Document Type



Coherent coupling of 2×1 photonic crystal (PhC) vertical cavity surface emitting laser (VCSEL) arrays is studied. It is found that the relative phase between lasing defects, also known as the phase angle of the complex degree of coherence, varies with injection current. The amplitude of the complex degree of coherence also depends on current. Additionally, it is shown that the magnitude of the complex degree of coherence between defects is maximized near in-phase and out-of-phase conditions.

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