Abstract
The operation of output coupler, input coupler, surface emitting amplifier, and surface emitting distributed feedback laser formed on a thin-film dielectric waveguide depends on guided–guided and guided–radiated wave couplings. The characteristics of these devices are treated for the transverse electric mode for wave interactions caused by a suitable relief grating formed on the film–cover interface. Design criteria are deduced and optimization procedures are indicated with illustrative numerical examples. The device characteristics are insensitive to small changes in the physical parameters. Surface emitting amplifier with a uniform near-field pattern and surface emitting distributed feedback laser operating in a single mode are investigated.
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