Analysis of Two-Dimensional Waveguides with Misaligned or Curved Gratings

William Streifer, Amos Hardy

Research output: Contribution to journalArticlepeer-review


Periodic corrugated waveguides with wave confinement in both transverse dimensions are analyzed. The description includes the cases of grating misalignment (tilt) and curvature; for a tilt angle θ, the resonant wavelengths vary as (cos θ)−1. Coefficients for intramode coupling (identical contradirectional modes) and hybrid (intermode) coupling are calculated as functions of θ. Numerical results for a GaAlAs waveguide, of the type employed in distributed Bragg reflector (DBR) lasers, are included.

Original languageEnglish
Pages (from-to)935-943
Number of pages9
JournalIEEE Journal of Quantum Electronics
Issue number12
StatePublished - Dec 1978
Externally publishedYes


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