High temperature AlGaInAs-based 25g DML-DFB lasers operating in O-band for data center use
Published in: SPIE OPTO 2021 Authors: Antti Saarela, Petri Melanen, Ville Vilokkinen, Luukas Kuusela, Petteri Uusimaa, Pekko Sipilä, Riina Ulkuniemi, Ossi Mäkinen Published in: SPIE OPTO 2021 Authors: Antti Saarela, Petri Melanen, Ville Vilokkinen, Luukas Kuusela, Petteri Uusimaa, Pekko Sipilä, Riina Ulkuniemi, Ossi Mäkinen Hyperscale datacenters are driving the growth of datacom laser diode market. Small wavelength drift over temperature, small footprint and low power consumption makes directly modulated distributed feedback (DFB) lasers ideal for uncooled operation in intra-datacenter interconnects. DFB lasers require significantly less process steps than electro absorption modulated lasers (EMLs), used typically for higher speeds and longer distances. AlGaInAs-based lasers are exceptionally desirable for uncooled operation compared to InGaAsP because of the Continue reading →