Packaging and Thermal characteristics of Epi-down bonded uncooled pump lasers
Proceedings of SPIE - The International Society for Optical Engineering(2008)
Abstract
High-power single-mode 980nm pump lasers are the key components in optical fiber amplifier. Thermal management for the telecom applications is a key design parameter for both package and system level. In this paper, based on the designed structural and material parameters of Epi-down bonded uncooled 980nm laser, the heat distribution of Epidown bonded uncooled pump laser was simulated using the finite element method, and the photoelectric properties of designed and packaged module were tested. A fiber output power of 200mW was achieved for the Epi-down bonded uncooled 980nm laser with fiber Bragg grating, and module can work steadily over a wide temperature range of 0 ~ 70°C, with a small wavelength shift of 0.2nm, along with a FWHM less than l.lnm, and a SMSR of more than 45dB. © 2008 SPIE.
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Key words
980nm pump laser,epi-down bonding,finite element method,thermal characteristics,finite element methods,thermal management,fiber bragg gratings,telecommunications,packaging,amplifiers,single mode,fiber bragg grating,lasers,optical fibers
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