Title :
Chirp characteristics of dual-drive. Mach-Zehnder modulator with a finite DC extinction ratio
Author :
Kim, Hoon ; Gnauck, Alan H.
Author_Institution :
Lucent Technol. Bell Labs, Holmdel, NJ, USA
fDate :
3/1/2002 12:00:00 AM
Abstract :
In this letter, we present theoretical and experimental studies on the chirp of the dual-drive Mach-Zehnder (MZ) modulator with a finite DC extinction ratio. The chirp of the modulator was measured using the fiber response peak method and compared with the theoretically calculated values. The results show that the residual chirp of the MZ modulator could be substantially reduced by driving the modulator in a push-pull mode with unequal amplitude signals.
Keywords :
Mach-Zehnder interferometers; chirp modulation; electro-optical modulation; integrated optics; amplitude modulation; chirp modulation; dispersive media optical propagation; dual-drive Mach-Zehnder modulator; fiber response peak method; finite DC extinction ratio; phase modulation; push-pull mode; residual chirp; unequal amplitude signals; Amplitude modulation; Arm; Chirp modulation; Dispersion; Equations; Extinction ratio; Frequency; Intensity modulation; Optical modulation; Phase modulation;
Journal_Title :
Photonics Technology Letters, IEEE
