对ITU-T G.654E光纤的传输性能进行了研究,总结了该类型光纤的一些新的特性。研究结果表明,G.654.E光纤的品质因子(FOM——Figure of merit)比常规G.652光纤高3 d B左右,实际400G系统测试结果显示G.654.E光纤比G.652光纤的传输距离提升...对ITU-T G.654E光纤的传输性能进行了研究,总结了该类型光纤的一些新的特性。研究结果表明,G.654.E光纤的品质因子(FOM——Figure of merit)比常规G.652光纤高3 d B左右,实际400G系统测试结果显示G.654.E光纤比G.652光纤的传输距离提升60%以上。同时也讨论了配有拉曼放大器的传输系统工作在G.654.E光纤(泵浦光工作在光纤截止波长以下)时出现的新特性。展开更多
The molecular second-order nonlinear optical (NLO) properties and the powder second harmonic generation(SHG)of semicarbazide hydrochloride were studied.The molecular and crystal structure dependence of second-order no...The molecular second-order nonlinear optical (NLO) properties and the powder second harmonic generation(SHG)of semicarbazide hydrochloride were studied.The molecular and crystal structure dependence of second-order nonlinearity,transparency and thermal stability was discussed.It was also implied that semicarbazide hydrochloride as an ionic compound played important roles in designing effective second-order NLO materials.展开更多
文摘对ITU-T G.654E光纤的传输性能进行了研究,总结了该类型光纤的一些新的特性。研究结果表明,G.654.E光纤的品质因子(FOM——Figure of merit)比常规G.652光纤高3 d B左右,实际400G系统测试结果显示G.654.E光纤比G.652光纤的传输距离提升60%以上。同时也讨论了配有拉曼放大器的传输系统工作在G.654.E光纤(泵浦光工作在光纤截止波长以下)时出现的新特性。
文摘The molecular second-order nonlinear optical (NLO) properties and the powder second harmonic generation(SHG)of semicarbazide hydrochloride were studied.The molecular and crystal structure dependence of second-order nonlinearity,transparency and thermal stability was discussed.It was also implied that semicarbazide hydrochloride as an ionic compound played important roles in designing effective second-order NLO materials.