Time-Delay Signatures in Multi-Transverse Mode VCSELs Subject to Double-Cavity Polarization-Rotated Optical Feedback
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Dangosydd eitem ddigidol (DOI)
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.
| Iaith wreiddiol | Saesneg |
|---|---|
| Tudalennau (o-i) | 128-138 |
| Cyfnodolyn | Optics Communications |
| Cyfrol | 377 |
| Dyddiad ar-lein cynnar | 24 Mai 2016 |
| Dynodwyr Gwrthrych Digidol (DOIs) | |
| Statws | Cyhoeddwyd - 15 Hyd 2016 |
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