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Single-mode monolithic quantum-dot VCSEL in 1.3 μm with sidemode suppression ratio over 30 dB

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12 Author(s)
Chang, Y.H. ; Dept. of Photonics, Nat. Chiao-Tung Univ., Hsinchu, Taiwan ; Peng, P.C. ; Tsai, W.K. ; Lin, G.
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We present monolithic quantum-dot vertical-cavity surface-emitting lasers (QD VCSELs) operating in the 1.3-μm optical communication wavelength. The QD VCSELs have adapted fully doped structure on GaAs substrate. The output power is /spl sim/330 μW with slope efficiency of 0.18 W/A at room temperature. Single-mode operation was obtained with a sidemode suppression ratio of >30 dB. The modulation bandwidth and eye diagram in 2.5 Gb/s was also presented.

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 7 )