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Experimental demonstration reveals a 2.7 MHz linewidth in a laser using Bragg gratings, indicating potential for enhanced signal quality.
A monolithic optical injection-locked distributed-feedback (MOIL-DFB) laser is experimentally demonstrated, achieving a locking current range of 90–150 mA, a side-mode suppression ratio (SMSR) exceeding 45 dB, and a linewidth of 2.7 MHz.
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Wang et al. (2025) studied this question.
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