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Detection of 10-GHz Optical Single-/Double-Sideband Labels Using Fiber-Optic Interleavers  

Park, Kyoung-Deuk (숭실대학교 정보통신전자공학부)
Shin, Jong-Dug (숭실대학교 정보통신전자공학부)
Kim, Boo-Gyoun (숭실대학교 정보통신전자공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.7C, 2007 , pp. 652-657 More about this Journal
Abstract
Optical subcarrier-multiplexed (OSCM) labels in optical label switching networks have been detected using interleavers composed of fiber-optic Mach-Zehnder interferometer. 10-GHz optical single-/double-sideband signals generated from dual-electrode Mach-Zehnder intensity modulator have been used as the OSCM labels. In the case of single-sideband signals, the upper-sideband was observed to be suppressed about 16.8 dB compared with the lower-sideband from the optical spectrum measured at the label extraction output. For the case of double-sideband signals, both sidebands appeared with small insertion loss at the interleaver output. Since we used the phase-shift method to generate single-sideband signals, the power level of the single-sideband was higher by 3 dB than that of the double-sidebands.
Keywords
Optical Single-Sideband; Optical Double-Sideband; Phase-Shift Method; Dual-Electrode Intensity Modulator; Interleaver;
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