Title :
VCSEL tolerance to optical feedback
Author :
Bala Subrahmanyam, P. ; Zhou, Y. ; Chrostowski, L. ; Chang-Hasnain, C.J.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of California, CA, USA
Abstract :
It is demonstrated that optical feedback in singlemode VCSELs only induces a reasonable power penalty when the modulation speed is below the resonance frequency, thus enabling low-cost implementation for VCSELs without optical isolators.
Keywords :
laser feedback; optical isolators; surface emitting lasers; optical feedback; optical isolators; resonance frequency; vertical cavity surface emitting lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20052648
