Analysis of modulator-induced higher-order harmonics influence on flat and stable optical comb generation based on re-circulating frequency shifter for all-optical OFDM

Lin Zhang; Yingxiong Song; Shujia Zhou; Yingchun Li; Jiajun Ye; Rujian Lin

doi:10.1117/12.903990

14 December 2011 Analysis of modulator-induced higher-order harmonics influence on flat and stable optical comb generation based on re-circulating frequency shifter for all-optical OFDM

Lin Zhang, Yingxiong Song, Shujia Zhou, Yingchun Li, Jiajun Ye, Rujian Lin

Author Affiliations +

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 83091K (2011) https://doi.org/10.1117/12.903990
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

The influence of higher-order harmonics produced in modulator on flat and stable optical comb generation based on recirculating frequency shifter (RFS) for all-optical OFDM is analyzed and demonstrated in this paper. We also theoretically analyze the condition for flatness of the optical frequency comb. The resulting theoretical analysis is confirmed by a 16 comb lines and 12.5 GHz spacing RFS generation system. The results demonstrate that flat and stable optical comb generation based on RFS can be a useful solution for multi-wavelength source in all-optical OFDM.

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Lin Zhang, Yingxiong Song, Shujia Zhou, Yingchun Li, Jiajun Ye, and Rujian Lin "Analysis of modulator-induced higher-order harmonics influence on flat and stable optical comb generation based on re-circulating frequency shifter for all-optical OFDM", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83091K (14 December 2011); https://doi.org/10.1117/12.903990

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KEYWORDS

Frequency combs

Modulators

Orthogonal frequency division multiplexing

Signal to noise ratio

Optical amplifiers

Modulation

Telecommunications

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