Title :
Ultrafast electroabsorption modulators with traveling-wave electrodes
Author :
Yamanaka, Takayuki
Author_Institution :
NTT Photonics Labs., Kanagawa, Japan
Abstract :
Our activities on electroabsorption (EA) modulators, which incorporate traveling-wave (TW) type electrodes to overcome the capacitance-resistance (CR)-induced bandwidth limitation, are reviewed. Two EA-integrated devices are described: one is the first-ever TW-EA modulator integrated with a DFB laser (TW-EADFB) with wide bandwidth of over 50 GHz and the other is an optical gate integrating photodiode, and TW-EA modulator (PD-EAM) with a minimum gate opening time of 2.3 ps.
Keywords :
distributed feedback lasers; electro-optical modulation; electro-optical switches; electroabsorption; high-speed optical techniques; integrated optics; optical communication equipment; photodiodes; travelling wave tubes; DFB laser; EA-integrated devices; EA-modulators; PD-EAM; TW-EA modulator; TW-EADFB; TW-type electrodes; capacitance-resistance-induced bandwidth limitation; gate opening time; optical gate integrating photodiode; traveling-wave electrodes; ultrafast electroabsorption modulators; Bandwidth; Electrodes; Frequency; Integrated optics; Optical interferometry; Optical modulation; Optical waveguides; Ultrafast optics; Voltage; Wavelength division multiplexing;
Conference_Titel :
Optical Communication, 2001. ECOC '01. 27th European Conference on
Print_ISBN :
0-7803-6705-7
DOI :
10.1109/ECOC.2001.989651
