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Fiber dispersion effects in injection-locked optical OFDM systems

机译:注入锁定光学OFDM系统中的光纤色散效应

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This paper investigates the transmission of an injection-locked optical orthogonal frequency-division multiplexing (ILO-OFDM) scheme over an optical fiber. In the ILO-OFDM system, an optically injection-locked semiconductor laser is utilized to directly modulate the OFDM signal on the optical carrier. With a sufficiently large injection strength and a negative shift of the detuning frequency, the modulation sidebands become asymmetric similar to a single sideband modulation (SSB). The SSB spectrum is advantageous for minimizing the chromatic dispersion-induced power variation. Using simulation we show that ILO-OFDM system can be used to compensate for chromatic dispersion in long-haul applications.
机译:本文研究了注入锁定光学正交频分复用(ILO-OFDM)方案在光纤上的传输。在ILO-OFDM系统中,光注入锁定半导体激光器用于直接调制光载波上的OFDM信号。通过足够大的注入强度和失谐频率的负偏移,类似于单边带调制(SSB),调制边带变得不对称。 SSB频谱有利于最小化色散引起的功率变化。通过仿真,我们证明了ILO-OFDM系统可用于补偿长距离应用中的色散。

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