Photonic generation of arbitrary waveforms based on incoherent wavelength-to-time mapping |
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| Authors: | Dong Jian-Ji Luo Bo-Wen Yu Yuan Zhang Xin-Liang |
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| Affiliation: | Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and Engineering,Huazhong University of Science and Technology, Wuhan 430074, China |
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| Abstract: | We demonstrate experimentally a radio frequency arbitrary waveform generator using the incoherent wavelength-to-time mapping technique. The system is implemented by amplitude modulation of a broadband optical resource whose spectrum is reshaped by a programmable optical pulse shaper and transmitted over a single mode fiber link. The shape of the generated waveform is controlled by the optical pulse shaper, and the fiber link introduces a certain group velocity delay to implement wavelength-to-time mapping. Assisted by the flexible optical pulse shaper, we obtain different shapes of optical waveforms, such as rectangle, triangle, and sawtooth waveforms. Furthermore, we also demonstrate ultra-wideband generation, such as Gaussian monocycle, doublet, and triplet waveforms, using the incoherent technique. |
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| Keywords: | arbitrary waveform generation ultra-wideband wavelength-to-time mapping incoherent technique |
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