11 March 2003 Monolithically integrated 20-channel optical add/drop multiplexer subsystem with hybrid-integrated 40-channel photodetector array
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Abstract
We built a 20 channel, 200 GHz, fully reconfigurable optical add-/drop multiplexer with integrated variable optical attenuators and power monitor diodes. A single planar lightwave circuit chip contains demultiplexer, switch array, attenuators and multiplexers. It also serves as an "optical motherboard" for a hybrid, flip-chip assembly containing four 10-channel photo detector arrays. A thermal management concept which considers both microscopic and macroscopic aspects of the device was developed. The final device exhibits an insertion loss of 9 dB from "in"- to "through"-port, a 1 dB bandwidth of >50 GHz and switch extinction ratios in excess of 40 dB.
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Andreas B. Schumacher, Andreas B. Schumacher, Detlef Krabe, Detlef Krabe, Jens Dieckroeger, Jens Dieckroeger, Thorsten Spott, Thorsten Spott, Tobias Kraeker, Tobias Kraeker, Evely Martins, Evely Martins, Miha Zavrsnik, Miha Zavrsnik, Hartmut W. Schneider, Hartmut W. Schneider, Ingo Baumann, Ingo Baumann, } "Monolithically integrated 20-channel optical add/drop multiplexer subsystem with hybrid-integrated 40-channel photodetector array", Proc. SPIE 4947, Laser Diodes, Optoelectronic Devices, and Heterogenous Integration, (11 March 2003); doi: 10.1117/12.471986; https://doi.org/10.1117/12.471986
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