Title :
Fiber null coupler with ultra-high splitting ratio for optic switching and add-drop multiplexing
Author :
Tong, Li ; Qun, Li ; Yuan Wei ; Ming, Liu Xiao ; De, Peng Jiang
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
Null coupler with very high splitting ratio of 100,000:1 and low excess loss of 0.1 dB is reported. The control of the splitting ratio and loss is studied. The switching function is demonstrated by an acoustooptic modulation experiment.
Keywords :
acousto-optical modulation; acousto-optical switches; coupled mode analysis; multiplexing; multiplexing equipment; optical beam splitters; optical fibre communication; optical fibre couplers; optical fibre fabrication; optical fibre losses; photonic switching systems; 0.1 dB; acoustooptic modulation experiment; add-drop multiplexing; excess loss; fiber null coupler; loss; optic switching; splitting ratio; switching function; ultra-high splitting ratio; Acoustic waves; Optical coupling; Optical crosstalk; Optical fiber couplers; Optical fiber devices; Optical filters; Optical recording; Propagation constant; Switches; Telecommunication switching;
Conference_Titel :
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location :
Beijing, China
Print_ISBN :
7-5635-0402-8
DOI :
10.1109/APCC.1999.820557
