High manufacturability and high reliable 10Gb/s electro-absorption laser package

Ying Chih Chen, Yuan Jen Chang, Yi Ming Chen, Chen Kun Chen, Chun Hsing Lee, Chi Yu Ni, Chih Hao Hsu, Fu Yi Cheng, Shin Ge Lee, Yu Chen Yu, Jyh Long Chern

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations


The authors demonstrated high reliable, high manufacturability and low power consumption of 10Gb/s electro-absorption modulated laser (EML) optical transmitter package over spans up to 40km in this paper. A novel two lens structure which integrated active and passive alignment techniques, providing greater than 70% coupling efficiency and 45 dB of optical isolation, are applied to the module. The optical design is also optimized for coupling efficiency and tolerance. The optical shift of transmitter module by heat from external or internal is an important factor affecting the performance and reliability. The thermal analysis, mechanical design and material choice are used to improve the optical shift by heat in this paper. Furthermore, the extinction ratio of transmitter module is evaluated above 9 dB at room temperature. The optical eye diagram of 10Gb/s transmitter developed in this study shows the excellent eye quality passing 10Gb/s SONET OC-192 mask test between 0°C to 80°C. Finally, the reliability tests of optical transmitter included fiber pull, mechanical shock, temperature cycling and damp heat are also performed.

Original languageEnglish (US)
Pages (from-to)1642-1647
Number of pages6
JournalProceedings - Electronic Components and Technology Conference
StatePublished - 2005
Externally publishedYes
Event55th Electronic Components and Technology Conference, ECTC - Lake Buena Vista, FL, United States
Duration: May 31 2005Jun 4 2005

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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