Dependence of semiconductor laser intermodulation distortions on fiber length and its reduction by optical injection locking

Hyuk-Kee Sung, Y. Seo, W. Choi
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Abstract

We experimentally investigate the dependence of semiconductor laser intermodulation distortions (IMDs) on fiber transmission length. IMDs in fiber optic link are degraded over transmission through dispersive fiber. We show that IMDs can be reduced and made less dependent on fiber transmission length by using injection-locked DFB and Fabry-Perot (FP) semiconductor lasers.
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半导体激光互调畸变与光纤长度的关系及其光注入锁的抑制
我们实验研究了半导体激光互调失真(IMDs)与光纤传输长度的关系。光纤链路中的imd在色散光纤传输过程中会发生衰减。我们表明,通过使用注入锁定DFB和Fabry-Perot (FP)半导体激光器,可以降低imd并减少对光纤传输长度的依赖。
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