Journal
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Volume 65, Issue 5, Pages 1366-1371Publisher
WILEY
DOI: 10.1002/mop.33553
Keywords
distributed feedback; multiwavelength; quantum cascade lasers; thermal management
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This paper demonstrates the integration of multiwavelength distributed feedback quantum cascade lasers (QCLs) in C-mount packages for portable gas sensors. Thermal management is performed through modeling and experimental verification. The integrated QCLs have wavelengths of 4492, 5459, 6224, and 9640 nm, with a wavelength tuning range and optical power of no less than 6.5 nm and 65 mW, respectively. The dimensions of the integrated sources are 40 mmx40 mmx80 mm.
Integration of multiwavelength distributed feedback quantum cascade lasers (QCLs) in C-mount packages is demonstrated in this paper, which is applicable to portable gas sensors. The thermal management is performed by modeling and experimentally verifying. The QCLs with the wavelength of 4492, 5459, 6224, and 9640 nm are integrated. The wavelength tuning range and optical power of each QCL are no smaller than 6.5 nm and 65 mW, respectively. The dimensions of the integrated sources are 40 mmx40 mmx80 mm $40\unicode{x0200A}\text{mm}\times 40\unicode{x0200A}\text{mm}\times 80\unicode{x0200A}\text{mm}$.
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