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Single Mode 2 μm GaSb Based Laterally Coupled Distributed Feedback Quantum-Well Laser Diodes with Metal Grating*, Song, Yu-Zhi, Zhang, Yu, Song, Jia-Kun, Li, Kang-Wen, Zhang, Zu-Yin, Xu, Yun, Song, Guo-Feng, Chen, Liang-Hui
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Song et al. (2015) studied this question.
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