Far-field distribution of semiconductor phase-locked arrays with multiple contacts

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Far-field distribution of semiconductor phase-locked arrays with multiple contacts

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© The Institution of Electrical Engineers
Published

Experimental results of far-field patterns of semiconductor laser arrays with multiple contacts are reported. It is found that, by tailoring the distribution of the currents through the array elements, narrow single-lobe patterns—which are more useful in most applications—can be obtained from arrays that usually operate in a double-lobe mode. A diffraction-limited 1.8°-wide far-field pattern was obtained from a three-element array.

Inspec keywords: semiconductor junction lasers

Other keywords: multiple contacts; semiconductor laser arrays; diffraction-limited; far-field patterns; single-lobe patterns

Subjects: Lasing action in semiconductors; Design of specific laser systems; Semiconductor lasers

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