000255539 001__ 255539
000255539 005__ 20181203025012.0
000255539 0247_ $$2doi$$a10.1021/acs.nanolett.8b00749
000255539 02470 $$2DOI$$a10.1021/acs.nanolett.8b00749
000255539 037__ $$aARTICLE
000255539 245__ $$aExcitonic Emission of Monolayer Semiconductors Near-Field Coupled to High-Q Microresonators
000255539 260__ $$c2018
000255539 269__ $$a2018
000255539 336__ $$aJournal Articles
000255539 520__ $$aWe present quantum yield measurements of single layer WSe2 (1L-WSe2) integrated with high-Q (Q > 106) optical microdisk cavities, using an efficient (η > 90%) near-field coupling scheme based on a tapered optical fiber. Coupling of the excitonic emission is achieved by placing 1L-WSe2 in the evanescent cavity field. This preserves the microresonator high intrinsic quality factor (Q > 106) below the bandgap of 1L-WSe2. The cavity quantum yield is QYc ≈ 10–3, consistent with operation in the broad emitter regime (i.e., the emission lifetime of 1L-WSe2 is significantly shorter than the bare cavity decay time). This scheme can serve as a precise measurement tool for the excitonic emission of layered materials into cavity modes, for both in plane and out of plane excitation.
000255539 700__ $$aJaverzac-Galy, Clément
000255539 700__ $$aKumar, Anshuman
000255539 700__ $$aSchilling, Ryan D.
000255539 700__ $$aPiro, Nicolas
000255539 700__ $$aKhorasani, Sina
000255539 700__ $$aBarbone, Matteo
000255539 700__ $$aGoykhman, Ilya
000255539 700__ $$aKhurgin, Jacob B.
000255539 700__ $$aFerrari, Andrea C.
000255539 700__ $$aKippenberg, Tobias J.
000255539 773__ $$j18$$k5$$q3138-3146$$tNano Letters
000255539 8560_ $$fmohammad.bereyhi@epfl.ch
000255539 909C0 $$0252348$$mmohammad.bereyhi@epfl.ch$$pLPQM$$xU11892$$yApproved$$zPasquier, Simon
000255539 909CO $$ooai:infoscience.epfl.ch:255539$$pSB$$pSTI$$particle
000255539 960__ $$asimon.pasquier@epfl.ch
000255539 961__ $$asimon.pasquier@epfl.ch
000255539 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000255539 980__ $$aARTICLE
000255539 981__ $$aoverwrite