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Abstract:
The theoretical model of optical frequency comb based on cascaded intensity modulator and phase modulator was established. The relationship between the flatness of optical frequency comb and the offset point of IM (βIM), the modulation coefficient of IM (χIM), and the phase difference of driving signals of IM and PM (ΔΦ) was analyzed. The results show that the optimum values of ΔΦ are multiples of π and independent from other parameters. Meanwhile, the optimum values of βIM and χIM are linearly correlated. With the number of the comb teeth increasing, the optimum value of χIM moves toward 0, and the optimum value of βIM moves toward π accordingly. ©, 2015, China National Publishing Industry Trading Corporation. All right reserved.
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Semiconductor Optoelectronics
ISSN: 1001-5868
Year: 2015
Issue: 3
Volume: 36
Page: 461-466
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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