Time-Delay Signatures in Multi-Transverse Mode VCSELs Subject to Double-Cavity Polarization-Rotated Optical Feedback
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: Optics Communications, Cyfrol 377, 15.10.2016, t. 128-138.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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T1 - Time-Delay Signatures in Multi-Transverse Mode VCSELs Subject to Double-Cavity Polarization-Rotated Optical Feedback
AU - Lin, Hong
AU - Khurram, Aliza
AU - Hong, Yanhua
N1 - National Science Foundation, USA, under the Grant No. PHY-1068789.
PY - 2016/10/15
Y1 - 2016/10/15
N2 - Time delay (TD) signatures are studied experimentally in orthogonal polarizations and in individual transverse modes respectively in a VCSEL operating with three transverse modes. Different types of concealment of the TD signatures are observed when the polarization of feedback is rotated through large angles. Effects of feedback strength and external cavity length on the TD signatures are investigated. Weak feedback leads to better concealment of the TD signatures in the dominant polarization. When the round-trip time difference between the two external cavities is close to a half of the relaxation oscillation period, the TD signatures are minimized.
AB - Time delay (TD) signatures are studied experimentally in orthogonal polarizations and in individual transverse modes respectively in a VCSEL operating with three transverse modes. Different types of concealment of the TD signatures are observed when the polarization of feedback is rotated through large angles. Effects of feedback strength and external cavity length on the TD signatures are investigated. Weak feedback leads to better concealment of the TD signatures in the dominant polarization. When the round-trip time difference between the two external cavities is close to a half of the relaxation oscillation period, the TD signatures are minimized.
U2 - 10.1016/j.optcom.2016.05.044
DO - 10.1016/j.optcom.2016.05.044
M3 - Article
VL - 377
SP - 128
EP - 138
JO - Optics Communications
JF - Optics Communications
SN - 0030-4018
ER -