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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper JThA5

On-axis far-field emission from 2-D phase-locked vertical-cavity surface-emitting laser arrays with phase correction

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Abstract

We have fabricated large, 2-D arrays of phase-locked vertical-cavity surface-emitting lasers that emit 50% of their light in a central on-axis lobe. Previously fabricated 2-D phase-locked laser arrays have had a four-lobed off-axis far-field pattern,1,2 because the lowest threshold array mode in which there are adjacent elements is out of phase by π.3

© 1992 Optical Society of America

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