Browsing by Author "Wang, Danqing"

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    • Ultra-low threshold gallium nitride photonic crystal nanobeam laser 

      Niu, Nan; Woolf, Alexander J; Wang, Danqing; Zhu, Tongtong; Quan, Qimin; Oliver, Rachel; Hu, Evelyn (AIP Publishing, 2015)
      We report exceptionally low thresholds (9.1 μJ/cm2) for room temperature lasing at ∼450 nm in optically pumped Gallium Nitride (GaN) nanobeam cavity structures. The nanobeam cavity geometry provides high theoretical Q ...