Hybrid scattering in periodic waveguides
- 15 February 1973
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 22 (4) , 135-137
- https://doi.org/10.1063/1.1654585
Abstract
A mechanism for frequency generation which can occur in waveguide distributed‐feedback lasers on anisotropic substrates is discussed. The proposed mechanism is a hybrid Bragg scattering between oppositely travelling waves with orthogonal polarizations. It explains the frequency spectrum observed in the preceding letter, which occurs as a result of the simultaneous presence of two coupled‐wave phenomena: mode conversion due to the anisotropic substrate, and backward Bragg scattering due to the periodic waveguide structure.Keywords
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