Optical receiver module for very high bit rates

Lars Erdmann; Roland Mueller-Fiedler

doi:10.1117/12.281224

24 September 1997 Optical receiver module for very high bit rates

Lars Erdmann, Roland Mueller-Fiedler

Proceedings Volume 3099, Micro-optical Technologies for Measurement, Sensors, and Microsystems II and Optical Fiber Sensor Technologies and Applications; (1997) https://doi.org/10.1117/12.281224
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

A microoptical receiver module for very high bitrates was designed and realized. We employed well established silicon technologies for integrating the optical components of the microoptical system. For reducing the optical spot size on the photo diode due to the beam divergence of the transmission fiber a monolithically integrated silicon microlens was used. The microlenses were fabricated by melting of photoresist and transferring the preforms into the silicon substrate. We characterized the lenses by lateral shearing interferometry in transmission. The beam diameter on the photodetector (l/e²) could be reduced by about one order of magnitude to less than 10 micrometers . The sensitivity of the modules was about 0.5 A/W at 1310 nm and 0.6 A/W at 1550 nm.

Citation Download Citation

Lars Erdmann and Roland Mueller-Fiedler "Optical receiver module for very high bit rates", Proc. SPIE 3099, Micro-optical Technologies for Measurement, Sensors, and Microsystems II and Optical Fiber Sensor Technologies and Applications, (24 September 1997); https://doi.org/10.1117/12.281224

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