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Proceedings Paper

A 25-GHz TO-Can header for coaxial laser package on transmission applications
Author(s): Tien-Tsorng Shih; Pei-Hao Tseng; Hao-Wei Chen; Sung-Mao Wu; Wood-Hi Cheng
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Paper Abstract

A new 5-pin transistor outline (TO-Can) header for conventional coaxial laser package has been proposed and demonstrated by using a three-dimensional full-wave electromagnetic simulation tool. The applicability of the simulation tool was verified by a measurement result of a conventional TO-56 header. By adopting a two-session feed-through via and a bent feed-lead, this TO-Can header has the optimal impedance for high-speed modulation. The reflection loss can be controlled beneath -10-dB before 15-GHz with a 50-Ω termination. The 3-dB modulated bandwidth with a load impedance of 5-Ω and 50-Ω is over 23-GHz and 37-GHz, respectively. This TO-Can header provides a low-cost coaxial laser package solution with widely load impedances from 5-Ω to 50-Ω and may apply in the emerging 100-Gigabits Ethernet (100GbE) and next generation Fiber Channel (20GFC) applications.

Paper Details

Date Published: 27 April 2010
PDF: 8 pages
Proc. SPIE 7720, Semiconductor Lasers and Laser Dynamics IV, 77201P (27 April 2010); doi: 10.1117/12.853687
Show Author Affiliations
Tien-Tsorng Shih, National Kaohsiung Univ. of Applied Sciences (Taiwan)
Pei-Hao Tseng, National Sun Yat-Sen Univ. (Taiwan)
Hao-Wei Chen, National Kaohsiung Univ. of Applied Sciences (Taiwan)
Sung-Mao Wu, National Kaohsiung Univ. (Taiwan)
Wood-Hi Cheng, National Sun Yat-Sen Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7720:
Semiconductor Lasers and Laser Dynamics IV
Krassimir Panajotov; Marc Sciamanna; Angel A. Valle; Rainer Michalzik, Editor(s)

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