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Electrical engineers from the UCLA Samueli School of Engineering have introduced a solution to enhance wavelength-conversion efficiency by exploring the phenomenon of semiconductor surface states. The work, which establishes a more efficient way of converting light from one wavelength to another, opens doors to improvements in the performance of imaging, sensing, and communication systems.
Surface states occur when surface atoms have an insufficient number of other atoms to which they can bind, causing a breakdown in atomic structure. These incomplete chemical bonds, also known as “dangling bonds,” cause roadblocks for electric charges flowing through semiconductor devices. Specifically, the incomplete bonds create a…READ MORE