Title :
Chirp-compensated 40-GHz mode-locked lasers integrated with electroabsorption modulators and chirped gratings
Author :
Sato, Kenji ; Hirano, Akira ; Ishii, Hiroyuki
Author_Institution :
NTT Network Innovation Lab., Yokosuka, Japan
Abstract :
40-GHz short-pulse generation of monolithic mode-locked lasers integrated with electroabsorption modulators and chirped gratings is reported. Theoretical analysis of active mode-locking based on a Gaussian model is described. Chirped gratings are shown to compensate the optical-frequency chirp and extend the repetition frequency range. Nearly transform-limited pulses of less than 4 ps are experimentally generated over a wide range of repetition frequencies from 38 to 41 GHz
Keywords :
chirp modulation; diffraction gratings; distributed Bragg reflector lasers; electro-optical modulation; electroabsorption; integrated optics; laser mode locking; laser tuning; optical pulse generation; self-phase modulation; semiconductor lasers; 38 to 41 GHz; 4 ps; 40 GHz; Gaussian model; active mode-locking; chirp-compensated lasers; chirped gratings; electroabsorption modulators; mode-locked lasers; monolithic mode-locked lasers; nearly transform-limited pulses; optical-frequency chirp; repetition frequencies; repetition frequency range; short-pulse generation; Chirp modulation; Fiber lasers; Frequency; Gratings; Laser mode locking; Laser theory; Optical pulse generation; Optical pulse shaping; Optical pulses; Semiconductor lasers;
Journal_Title :
Selected Topics in Quantum Electronics, IEEE Journal of
DOI :
10.1109/2944.788422
