Abstract
Phonon-assisted anti-Stokes emission and its stimulated emission in polar semiconductor ZnTe are demonstrated via the annihilation of phonons as a result of strong exciton–phonon coupling. The findings are not only important for developing high-power radiation-balanced lasers, but are also promising for manufacturing ultraefficient solid-state laser coolers.
Funding Information
  • AcRF Tier2 (MOE2011-T2-2-051)
  • Tier1 (2013-T1-002-232)
  • Singapore National Research Foundation (NRF-NRFI2015-03)
  • NTU (M4080514)
  • MOE Tier 2 (MOE2013-T2-1-081)

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