| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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All-Optical Format Conversion from RZ-DPSK to NRZ-DPSK at 40Gbit/s |
| ZHANG Zheng, PAN Di, YU Yu**, ZHANG Xin-Liang
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Wuhan National Laboratory for Optoelectronics and College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074
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| Cite this article: |
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ZHANG Zheng, PAN Di, YU Yu et al 2011 Chin. Phys. Lett. 28 054203 |
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Abstract All-optical format conversion from return-to-zero differential phase shift keying (RZ-DPSK) to non-return-to-zero DPSK (NRZ-DPSK) is demonstrated by using a delay interferometer and a 1-nm-bandwidth filter at 40 Gbit/s. The operation principle is theoretically analyzed and numerically simulated with the help of VPI Transmission Maker 8.5. The simulated results are in agreement well with the experimental results. The conversion can be achieved with power penalty of 0.7 dB.
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| Keywords:
42.25.Hz
42.30.Lr
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Received: 17 January 2011
Published: 26 April 2011
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| PACS: |
42.25.Hz
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(Interference)
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42.30.Lr
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(Modulation and optical transfer functions)
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