VCSEL based transmitter module for automotive temperature range between -55 [degrees] C and +125 [degrees] C

Stefan G. Poferl; Marcel Krieg; Oliver Hocky; Eberhard Zeeb

doi:10.1117/12.470862

15 April 2003 VCSEL based transmitter module for automotive temperature range between -55° C and +125° C

Stefan G. Poferl, Marcel Krieg, Oliver Hocky, Eberhard Zeeb

Proceedings Volume 4942, VCSELs and Optical Interconnects; (2003) https://doi.org/10.1117/12.470862
Event: Photonics Fabrication Europe, 2002, Bruges, Belgium

Abstract

Robust, high speed optical data bus systems are increasingly required in automobiles, not only for entertainment applications within the passenger compartment but also for engine management systems and safety sensor networks. Optoelectronic components and modules intended to be used in cars have to withstand harsh environmental conditions, e.g. they have to be operational within a wide temperature range of up to - 55 °C to +1 25 °C for several thousand hours and at the same time they have to be of very low-cost. In this paper we describe a 500 MBit/s transmitter module based on a commercial available 850 nm vertical-cavity surface-emitting laser and a bias-T driving circuit. The optical output power of the module varies only by -0.5 dBm ± 1dB in the required temperature range without active temperature control. In addition we describe a packaging solution for the VCSEL transmitters allowing the operation of the module even in an extreme engine compartment environment, where short term temperature peaks above 125 °C appear.

Citation Download Citation

Stefan G. Poferl, Marcel Krieg, Oliver Hocky, and Eberhard Zeeb "VCSEL based transmitter module for automotive temperature range between -55° C and +125° C", Proc. SPIE 4942, VCSELs and Optical Interconnects, (15 April 2003); https://doi.org/10.1117/12.470862

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