摘要
Anup-taperedMach-Zehnderinterferometer(MZI)isproposedanddemonstrated.Byapplyingamodificationsettingofanexistingprogramofthefusionsplicer,twoup-tapersarefabricatedbypushingbothsidesofthefibertothemiddle.Itisfoundthatthemaximumextinctionratioreachesupto20dB.Withthefiberlengthof6.3-49cmbetweenthetwoup-tapers,thefreespectralrange(FSR)changesfrom10.7nmto1.3nm.Besides,thewavelengthofmaximumextinctionratioshiftstotheshorterwavelengthinthescopeoftensofnanometers,whiletheelongationchangesfrom0%to0.23%.
出版日期
2013年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
