| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Optical Switching in Silicon Nanowaveguide Ring Resonators Based on Kerr Effect and TPA Effect |
| LI Chun-Fei, DOU Na |
| Department of Physics, Harbin Institute of Technology, Harbin 150001 |
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| Cite this article: |
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LI Chun-Fei, DOU Na 2009 Chin. Phys. Lett. 26 054203 |
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Abstract We analyze theoretically the 1×2 low-power all-optical switching in silicon nanowaveguide ring resonators (RR) based on the Kerr effect and two-photon absorption (TPA), and give a comparison between both the all-optical switches. The calculation shows that the switching power of the TPA-RR switch is 3 orders smaller than that of the Kerr-RR switch. The switching time for both the switches is about 100ps.
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| Keywords:
42.79.Ta
42.60.Da
42.65.Hw
52.38.Dx
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Received: 13 October 2008
Published: 23 April 2009
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| PACS: |
42.79.Ta
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(Optical computers, logic elements, interconnects, switches; neural networks)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.65.Hw
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(Phase conjugation; photorefractive and Kerr effects)
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52.38.Dx
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(Laser light absorption in plasmas (collisional, parametric, etc.))
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