Aberration analysis and efficiency improvement of a bidirectional optical subassembly

Hao Wu; Zhang-di Huang; Zi-yan Yu; Xiao-Shi Qian; Fei Xu; Beckham Chen; Yanqing Lu

doi:10.1117/1.3251278

1 October 2009 Aberration analysis and efficiency improvement of a bidirectional optical subassembly

Hao Wu, Zhang-di Huang, Zi-yan Yu, Xiao-Shi Qian, Fei Xu, Beckham Chen, Yanqing Lu

Author Affiliations +

Optical Engineering, Vol. 48, Issue 10, 105008 (October 2009). https://doi.org/10.1117/1.3251278

Abstract

An approach to improve the coupling efficiency of bidirectional optical subassembly (BOSA) modules is proposed and experimentally demonstrated. We analyzed the wavefront aberration coefficients of a typical BOSA. It was found that the 45-deg wavelength filter induces coma and astigmatism, and then it further deteriorates the laser diode to fiber coupling. We measured the BOSA efficiencies based on a series of different filters. For a typical 0.5-mm filter, 25% coupling efficiency improvement was achieved by optimizing the filter parameters.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Hao Wu, Zhang-di Huang, Zi-yan Yu, Xiao-Shi Qian, Fei Xu, Beckham Chen, and Yanqing Lu "Aberration analysis and efficiency improvement of a bidirectional optical subassembly," Optical Engineering 48(10), 105008 (1 October 2009). https://doi.org/10.1117/1.3251278

Published: 1 October 2009

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