Dm. Cutrer et Ky. Lau, ULTRALOW POWER OPTICAL INTERCONNECT WITH ZERO-BIASED, ULTRALOW THRESHOLD LASER - HOW LOW A THRESHOLD IS LOW ENOUGH, IEEE photonics technology letters, 7(1), 1995, pp. 4-6
Ultralow threshold (I-th < 100 mu A) lasers can be used in ultralow po
wer optical interconnect, preferably in a bias-free digital optical mo
dulation format. We show that even though optical power requirements f
or successful transmission may dictate that the pulse drive current be
many times that of I-th, reducing the latter to 10-100 mu A is still
essential in minimizing the total driver power to the laser at multi-g
igabit data rates.