Passive technologies for future large-scale photonic integrated circuits on silicon: polarization handling, light non-reciprocity and loss reduction
| Autor: | John E. Bowers, Jared F. Bauters, Daoxin Dai |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2012 |
| Předmět: |
lcsh:Applied optics. Photonics
Materials science Optical isolator Integration Physics::Optics Waveguide (optics) law.invention Resonator law lcsh:QC350-467 polarization business.industry non-reciprocal Photonic integrated circuit silicon lcsh:TA1501-1820 Polarizer Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials low loss Optoelectronics Power dividers and directional couplers Photonics business Beam splitter lcsh:Optics. Light |
| Zdroj: | Light: Science & Applications, Vol 1 (2012) |
| ISSN: | 2047-7538 |
| Popis: | Silicon-based large-scale photonic integrated circuits are becoming important, due to the need for higher complexity and lower cost for optical transmitters, receivers and optical buffers. In this paper, passive technologies for large-scale photonic integrated circuits are described, including polarization handling, light non-reciprocity and loss reduction. The design rule for polarization beam splitters based on asymmetrical directional couplers is summarized and several novel designs for ultra-short polarization beam splitters are reviewed. A novel concept for realizing a polarization splitter–rotator is presented with a very simple fabrication process. Realization of silicon-based light non-reciprocity devices (e.g., optical isolator), which is very important for transmitters to avoid sensitivity to reflections, is also demonstrated with the help of magneto-optical material by the bonding technology. Low-loss waveguides are another important technology for large-scale photonic integrated circuits. Ultra-low loss optical waveguides are achieved by designing a Si3N4 core with a very high aspect ratio. The loss is reduced further to |
| Databáze: | OpenAIRE |
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