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VCSEL Intrinsic Response Extraction Using T-Matrix Formalism
We present a new method to remove the parasitics contribution to the vertical-cavity surface-emitting laser (VCSEL) chip response, in order to obtain the intrinsic S 21 behavior. We demonstrate that the chip can be split into two cascaded subsystems representing the electrical access and the optical...
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Published in: | IEEE photonics technology letters 2009-07, Vol.21 (14), p.957-959 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | We present a new method to remove the parasitics contribution to the vertical-cavity surface-emitting laser (VCSEL) chip response, in order to obtain the intrinsic S 21 behavior. We demonstrate that the chip can be split into two cascaded subsystems representing the electrical access and the optical cavity, respectively. An equivalent electrical circuit defining the behavior of the electrical access is combined with T -matrix formalism to remove the parasitics contribution from the measured S 21 response. Results allow us to determine the intrinsic 3-dB bandwidth of the VCSEL. |
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ISSN: | 1041-1135 1941-0174 |
DOI: | 10.1109/LPT.2009.2020805 |