| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Microwave Photonic Notch Filter Using a Microfiber Ring Resonator |
ZHANG Yu1, ZHANG Xin-Liang1, CHEN Guo-Jie2, XU En-Ming1, HUANG De-Xiu1 |
| 1Wuhan National Laboratory for Optoelectronics and Institute of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074 2School of Science, Foshan University, Foshan 528000 |
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| Cite this article: |
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ZHANG Yu, ZHANG Xin-Liang, CHEN Guo-Jie et al 2010 Chin. Phys. Lett. 27 074207 |
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Abstract A novel tunable microwave photonic filter based on a microfiber ring resonator is proposed and experimentally demonstrated. A fiber ring laser based on the microfiber ring resonator is employed to generate two single-longitudinal-mode carriers, then the dispersive element introduces the delay between two modulated carriers. By adjusting the diameter of the microfiber ring resonator, the proposed microwave photonic notch filter can be continuously and widely tuned. The measured notch rejection ratio is greater than 35 dB, and there is good agreement between the experimental result and the theoretical analysis.
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| Keywords:
42.60.Da
42.55.Wd
84.40.-x
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Received: 08 February 2010
Published: 28 June 2010
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| PACS: |
42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.55.Wd
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(Fiber lasers)
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84.40.-x
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(Radiowave and microwave (including millimeter wave) technology)
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