Highly stable operations of transverse‐coupled cavity VCSELs with enhanced modulation bandwidth | Zendy

Dalir H. | Zendy; Koyama F. | Zendy

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Highly stable operations of transverse‐coupled cavity VCSELs with enhanced modulation bandwidth

Author(s) -

Dalir H.,

Koyama F.

Publication year - 2014

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2014.0696

Subject(s) - bandwidth (computing) , optoelectronics , materials science , modulation (music) , transverse plane , optics , electronic engineering , physics , computer science , telecommunications , engineering , acoustics , structural engineering

The highly stable operation of 980 nm transverse coupled cavity vertical cavity surface emitting lasers (VCSELs) with enhanced modulation bandwidth for high‐speed optical interconnects is reported. The device operates at 25 Gbit/s from 0 to 60°C with fixed driving conditions. In addition, the stability of driving currents into the VCSEL is explored, exhibiting that the bandwidth enhancement is not sensitive to the current. The ultra‐compact inplane coupled cavity VCSEL can boost the modulation speed beyond the relaxation oscillation frequency because of the to photon–photon resonance, which makes it useful in next‐generation computing and data centre networking.

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