4.8 Article

High-Q, Low-Threshold Monolithic Perovskite Thin-Film Vertical-Cavity Lasers

Journal

ADVANCED MATERIALS
Volume 29, Issue 16, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201604781

Keywords

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Funding

  1. Department of Energy (Basic Energy Sciences) [DE-FG02-07ER46387]
  2. Air Force Office of Scientific Research (AFOSR)
  3. Quantum Metaphotonics and Metamaterials MURI (AFOSR Award) [FA9550-12-1-0488]
  4. National Science Foundation (NSF) [CMMI-1129964]
  5. NSF MRSEC [DMR 1119826]
  6. U.S. Department of Energy (DOE) [DE-FG02-07ER46387] Funding Source: U.S. Department of Energy (DOE)

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A vertical-cavity surface-emitting perovskite laser is achieved using a microcavity configuration where CH3NH3PbI3 thin solid films are embedded within a custom GaN-based high-quality (Q-factor) resonator. This single-mode perovskite laser reaches a low threshold (approximate to 7.6 mu J cm(-2)) at room temperature and emits spatially coherent Gaussian laser beams. The devices allow direct access to the study of perovskite gain dynamics and material robustness.

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