High-temperature and high-speed operation of a 1.3-/spl mu/m uncooled InGaAsP-InP DFB laser |
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| Authors: | Dongsoo Bang Jongin Shim Joongkoo Kang Minsik Um Sangmin Park Sangmoon Lee Donghoon Jang Yungseon Eo |
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| Affiliation: | Optoelectronics Div., Samsung Electron. Co. Ltd, Kyungki; |
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| Abstract: | 1.3-/spl mu/m uncooled InGaAsP-InP loss-coupled distributed feedback lasers operating over 10 Gb/s and at 85/spl deg/C were successfully fabricated. In order to achieve high-speed and high-temperature operation simultaneously, the following are thoroughly investigated: modulation-doped and strain-compensated multiple-quantum-well active layers, Fe-doped buried-heterostructure, coupling coefficient of loss-coupled grating, detuning lasing wavelength from the gain peak, and facet coatings. The authors also demonstrate 10 Gb/s transmission with negligible dispersion power penalty over 20 km of nondispersion-shifted fiber at 10 Gb/s for temperatures ranging from 25/spl deg/C to 85/spl deg/C. |
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