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Optics Letters

Optics Letters


  • Vol. 9, Iss. 4 — Apr. 1, 1984
  • pp: 125–127

Supermode analysis of phase-locked arrays of semiconductor lasers

E. Kapon, J. Katz, and A. Yariv  »View Author Affiliations

Optics Letters, Vol. 9, Issue 4, pp. 125-127 (1984)

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The optical characteristics of phase-locked semiconductor laser arrays are formulated in terms of the array supermodes, which are the eigenmodes of the composite-array waveguide, by using coupled-mode theory. These supermodes are employed to calculate the near fields, the far fields, and the difference in the longitudinal-mode oscillation wavelengths of the array. It is shown that the broadening in the far-field beam divergence, as well as the broadening of each of the longitudinal modes that were observed in phase-locked arrays, may arise from the excitation of an increasing number of supermodes at increasing pumping levels.

© 1984 Optical Society of America

Original Manuscript: December 23, 1983
Manuscript Accepted: February 3, 1984
Published: April 1, 1984

E. Kapon, J. Katz, and A. Yariv, "Supermode analysis of phase-locked arrays of semiconductor lasers," Opt. Lett. 9, 125-127 (1984)

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