40 Gb/s PAM-4 Transmitter IC for Long-Wavelength VCSEL Links

  title={40 Gb/s PAM-4 Transmitter IC for Long-Wavelength VCSEL Links},
  author={Wouter Soenen and Renato Vaernewyck and Xin Yin and Silvia Spiga and Markus Christian Amann and Kamalpreet S. Kaur and Paraskevas Bakopoulos and Johan Bauwelinck},
  journal={IEEE Photonics Technology Letters},
Conventional 850 nm multimode fiber links deployed in warehouse-scale data centers will be limited by modal dispersion beyond 10 Gb/s when covering distances up to 1 km. This can be resolved by opting for a single-mode fiber (SMF), but typically requires the use of power-hungry edge-emitting lasers. We investigate the feasibility of a high-efficiency SMF link by reporting a 0.13 μm SiGe BiCMOS laser diode driver optimized for long-wavelength vertical-cavity surface-emitting lasers (VCSELs). Bit… CONTINUE READING