By employing optical injection-locking the direct modulation bandwidth of a 10μm diameter disc laser is increased to 15GHz. In addition, modulation at 20Gb/s is demonstrated with only 1mW DC bias & 190mV data signals (50fJ/bit)
© 2011 OSA
O. Raz, H. J. Dorren, R. Kumar, G. Morthier, P. Regreny, and P. Rojo-Romeo, "50 fJ-per-bit, High Speed, Directly Modulated Light Sources for On-chip Optical Data Communications," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OMM5.
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