1. Semiconductor ring lasers are literally ring-shaped optical waveguides with a lasing medium. 2. These materials'main technological application is as optical waveguides in planar and fibre form. 3. Common types of optical waveguides include optical fiber and rectangular waveguides. 4. Their main technological application is as optical waveguides in both planar and fiber form. 5. Two types of optical waveguides are in common use. 6. An "'optical waveguide "'is a physical structure that guides electromagnetic waves in the optical spectrum. 7. Multiple quantum wells improve the overlap of the gain region with the optical waveguide mode. 8. ALD has been used to deposit TiO films to create optical waveguide sensors as diagnostic tools. 9. Optical waveguides are used as components in integrated optical circuits or as the transmission medium in optical communication systems.10. The ribbons can act more like optical waveguides or quantum dots, allowing electrons to flow smoothly along the ribbon edges.
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