Open AccessDesign Optimization for High-Performance Self-Assembled Quantum Dot Lasers With Fabry–Perot Cavity
Author(s) -
Lanxin Deng,
Lin Han,
Yanping Xi,
Xun Li,
Wei-Ping Huang
Publication year - 2012
Publication title -
ieee photonics journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.725
H-Index - 73
eISSN - 1943-0655
pISSN - 1943-0647
DOI - 10.1109/jphot.2012.2211003
Subject(s) - engineered materials, dielectrics and plasmas , photonics and electrooptics
An optimization guideline is proposed for designing of the single longitudinal-mode Fabry-Perot (FP) laser based on the self-assembled InGaAs/GaAs quantum dots (QD). With the optimal values of the inhomogeneous and homogeneous gain-broadening parameters, a design example is simulated and analyzed. It shows that a side-mode suppression ratio (SMSR) over 40 dB and a 3-dB bandwidth of 17 GHz for the small-signal modulation response are obtained. The quantitative conditions for the performance feasibility are examined with respect to the gain broadening parameters.