| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2014: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
Fiscal Year 2013: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
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| Outline of Final Research Achievements |
The research work mainly focuses on the realization and application of flexible high-order Quadrature-Amplitude Modulation (QAM) transmitter in optical communication systems. In future high-speed elastic optical networks, flexible high-order QAM transmitter plays an important role to adaptively generate different high-order QAM signals with simply changing the configurations and sharing the same optical hardware. We have successfully verified the feasibility of our proposed flexible high-order QAM transmitter and demonstrated the application of such transmitter in optical communication systems. In details, the achievement of the research work mainly includes the following four parts: 1) realization of flexible high-order QAM transmitter; and experimental demonstrations of 2) high-performance wavelength conversion for high-order QAM signals, 3) pump-phase-noise-free wavelength exchange for high-order QAM signals, and 4) pump-phase-noise-free Multicast for high-order QAM signals.
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