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1. Electronic control of coherence in a two-dimensional array of photonic crystal surface emitting lasers.

Author

Taylor, R. J. E., Childs, D. T. D., Ivanov, P., Stevens, B. J., Babazadeh, N., Crombie, A. J., Ternent, G., Thoms, S., Zhou, H., and Hogg, R. A.

Subjects
*SEMICONDUCTORS, *WAVEGUIDES, *GEOMETRY, *SURFACE emitting lasers, *ELECTRONICS
Abstract

We demonstrate a semiconductor PCSEL array that uniquely combines an in-plane waveguide structure with nano-scale patterned PCSEL elements. This novel geometry allows two-dimensional electronically controllable coherent coupling of remote vertically emitting lasers. Mutual coherence of the PCSEL elements is verified through the demonstration of a two-dimensional Young's Slits experiment. In addition to allowing the all-electronic control of the interference pattern, this type of device offers new routes to power and brightness scaling in semiconductor lasers, and opportunities for all-electronic beam steering. [ABSTRACT FROM AUTHOR]

Published
2015
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