Simultaneous multichannel carrier-suppressed return-to-zero to non-return-to-zero format conversion using a fiber Bragg grating
A novel multichannel carrier-suppressed return-to-zero (CSRZ) to non-return-to-zero (NRZ) format conversion scheme based on a single custom-designed fiber Bragg grating (FBG) with comb spectra is proposed. The spectral response of each channel is designed according to the algebraic difference betwee...
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| Veröffentlicht in: | Applied Optics 2015-07, Vol.54 (20), p.6344-6350 |
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| container_issue | 20 |
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| container_title | Applied Optics |
| container_volume | 54 |
| creator | Cao, Hui Atai, Javid Zuo, Jun Yu, Yu Gbadebo, Adenowo Xiong, Bangyun Hou, Jie Liang, Peiying Gao, Yao Shu, Xuewen |
| description | A novel multichannel carrier-suppressed return-to-zero (CSRZ) to non-return-to-zero (NRZ) format conversion scheme based on a single custom-designed fiber Bragg grating (FBG) with comb spectra is proposed. The spectral response of each channel is designed according to the algebraic difference between the CSRZ and NRZ spectra outlines. The tailored group delays are introduced to minimize the maximum refractive index modulation. Numerical results show that four-channel 200-GHz-spaced CSRZ signals at 40 Gbits/s can be converted into NRZ signals with high Q-factor and wide-range robustness. It is shown that our proposed FBG is robust to deviations of bandwidth and central wavelength detuning. Another important merit of this scheme is that the pattern effects are efficiently reduced owing to the well-designed spectra response. |
| doi_str_mv | 10.1364/AO.54.006344 |
| format | Article |
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The spectral response of each channel is designed according to the algebraic difference between the CSRZ and NRZ spectra outlines. The tailored group delays are introduced to minimize the maximum refractive index modulation. Numerical results show that four-channel 200-GHz-spaced CSRZ signals at 40 Gbits/s can be converted into NRZ signals with high Q-factor and wide-range robustness. It is shown that our proposed FBG is robust to deviations of bandwidth and central wavelength detuning. 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| fulltext | fulltext |
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| ispartof | Applied Optics, 2015-07, Vol.54 (20), p.6344-6350 |
| issn | 0003-6935 1559-128X 2155-3165 1539-4522 |
| language | eng |
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| source | Alma/SFX Local Collection; Optica Publishing Group Journals |
| subjects | Bragg gratings Carriers Channels Conversion Fibers Format Multichannel Spectra |
| title | Simultaneous multichannel carrier-suppressed return-to-zero to non-return-to-zero format conversion using a fiber Bragg grating |
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