TN25 96021198 1.31/1.55μm高性能单模光纤波分复用器=1.31/1.55μ high performance SM optical fiberwavelength division multiplexer[刊,中]/江山,刘水华,方罗珍,王青林(邮电部固体器件研究所。湖北,武汉(430074))∥光通信研究。—...TN25 96021198 1.31/1.55μm高性能单模光纤波分复用器=1.31/1.55μ high performance SM optical fiberwavelength division multiplexer[刊,中]/江山,刘水华,方罗珍,王青林(邮电部固体器件研究所。湖北,武汉(430074))∥光通信研究。—1995,(3)。—44—47 报道了一种采用融锥耦合器和滤光器混联技术制作的1.31/1.55μm高性能单模光纤波分复用器。介绍了该器件的光学特性和环境稳定性的测试结果。展开更多
S-band gain flattened distributed fiber Raman amplifier with a bandwidth from 1 488 nm to 1 541 nm (53 nm in width) ,an averaged gain of 10 dB and a gain ripple of ±0.6 dB is obtained successfully, in which a s...S-band gain flattened distributed fiber Raman amplifier with a bandwidth from 1 488 nm to 1 541 nm (53 nm in width) ,an averaged gain of 10 dB and a gain ripple of ±0.6 dB is obtained successfully, in which a single-wavelength high power fiber Raman laser with wavelength of 1 427.2 nm is used as the pump and the chirped fiber Bragg grating is used as the gain flattening filter. Besides,filter wavelength division multiplexer(FWDM) is used as the multi-signal multiplexer and 1 427 nm/1 505 nm coarse wavelength division multiplexer(OWDM) is used as the pump-signal coupler. The gain media are G652 fiber of 50 km in length and dispersion compensation fiber(DOF) of 5 km in length. Moreover, the location arrangements of different type of fibers and the effect caused by gain flattening filter as well as their solutions are discussed in detail. It is very significant to extend the range of optical fiber communication band and increase the capacity of fiber communication especially for ultra-long haul and ultra-high capacity communication system.展开更多
基金This work was supported bythe Great Scientific Research Projectof Zhejiang Province ,P.R.China (No.021101558)the Min-istry of Science and Technology ,Korea as a part of project fundsof the Korea-China Optical Technology Research Center .
文摘S-band gain flattened distributed fiber Raman amplifier with a bandwidth from 1 488 nm to 1 541 nm (53 nm in width) ,an averaged gain of 10 dB and a gain ripple of ±0.6 dB is obtained successfully, in which a single-wavelength high power fiber Raman laser with wavelength of 1 427.2 nm is used as the pump and the chirped fiber Bragg grating is used as the gain flattening filter. Besides,filter wavelength division multiplexer(FWDM) is used as the multi-signal multiplexer and 1 427 nm/1 505 nm coarse wavelength division multiplexer(OWDM) is used as the pump-signal coupler. The gain media are G652 fiber of 50 km in length and dispersion compensation fiber(DOF) of 5 km in length. Moreover, the location arrangements of different type of fibers and the effect caused by gain flattening filter as well as their solutions are discussed in detail. It is very significant to extend the range of optical fiber communication band and increase the capacity of fiber communication especially for ultra-long haul and ultra-high capacity communication system.