Open AccessNonlinear dynamics of 1550 nm vertical-cavity surface-emitting laser with polarization- preserved optical feedback
Author(s) -
Zheng An-Jie,
Zheng-Mao Wu,
Tao Deng,
Xiaojian Li,
Guang-Qiong Xia
Publication year - 2012
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.61.234203
Subject(s) - vertical cavity surface emitting laser , polarization (electrochemistry) , laser , anisotropy , physics , semiconductor laser theory , excited state , optics , bifurcation , optical chaos , nonlinear system , rate equation , materials science , atomic physics , quantum mechanics , kinetics , chemistry
Based on the framework of the spin-flip model, the nonlinear dynamics of 1550 nm vertical-cavity surface-emitting laser (VCSEL) subject to polarization-preserved optical feedback is theoretically investigated. The results show that for a free-running 1550 nm-VCSEL, the current value for polarization switching (PS) is affected seriously by the internal parameters; with the increase of the gain anisotropy coefficient γa, the corresponding current for PS increases. Due to the introduction of the polarization-preserved optical feedback, the dominant polarized mode (Y polarized mode) will display different dynamical states for different injection currents while the other mode (X polarized mode) may be excited. As a result, the average output powers of the two polarized modes increase with fluctuation with the increase of current. For different feedback times, the dynamic states of 1550 nm-VCSEL with polarization- preserved optical feedback maybe route into chaos via different evolution paths such as period doubling bifurcation, quasi-periodic bifurcation and intermittent chaos.