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Ziye Wang, Pinyao Wang, Huanyu Lu, Bo Meng, Yanjing Wang, Cunzhu Tong and Lijun Wang
Photonic-crystal surface-emitting lasers (PCSELs) have led to amazing results in overcoming the divergence limitation of semiconductor lasers. However, so far, the physical mechanism behind this promising control of far-field characteristics is still unc...
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