Title :
Hybrid integrated symmetric Mach-Zehnder all-optical switch with ultrafast, high extinction switching
Author :
Tajima, K. ; Nakamura, S. ; Ueno, Y. ; Sasaki, J. ; Sugimoto, T. ; Kato, T. ; Shimoda, T. ; Itoh, M. ; Hatakeyama, H. ; Tamanuki, T. ; Sasaki, T.
Author_Institution :
Optoelectron. & High Frequency Device Res. Labs., NEC Corp., Ibaraki, Japan
fDate :
11/11/1999 12:00:00 AM
Abstract :
A hybrid integrated symmetric Mach-Zehnder (HI-SMZ) all-optical switch is reported. It has a very high dynamic extinction ratio of >20 dB at a switching speed of <4 ps. No delay was found in its rise and fall times with 1 ps control pulses. Thus, the HI-SMZ all-optical switch is capable of high extinction, quasi-square-like modulation up to a speed of ~4 ps, corresponding to a bit rate exceeding 200 Gbit/s
Keywords :
Mach-Zehnder interferometers; high-speed optical techniques; integrated optics; optical switches; 200 Gbit/s; 4 ps; extinction ratio; hybrid integrated symmetric Mach-Zehnder all-optical switch; ultrafast switching;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19991372
