Objective-free excitation of quantum emitters with a laser-written micro parabolic mirror

Sergii Morozov, Stefano Vezzoli, Ali Hossain Khan, Iwan Moreels, Riccardo Sapienza

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

18 Downloads (Pure)

Abstrakt

The efficient excitation of quantum sources such as quantum dots or single molecules requires high numerical aperture optics, which is often a challenge in cryogenics or in ultrafast optics. Here, we propose a 3.2 μm wide parabolic mirror, with 0.8 μm focal length, fabricated by direct laser writing on CdSe/CdS colloidal quantum dots, capable of focusing the excitation light to a sub-wavelength spot and of extracting the generated emission by collimating it into a narrow beam. This mirror is fabricated via in situ volumetric optical lithography, which can be aligned to individual emitters, and it can be easily adapted to other geometries beyond the paraboloid. This compact solid-state transducer from the far-field to the emitter has important applications in objective-free quantum technologies.
OriginalsprogEngelsk
Artikelnummer071302
TidsskriftAPL Photonics
Vol/bind5
Udgave nummer7
ISSN2378-0967
DOI
StatusUdgivet - 17. jul. 2020

Fingeraftryk Dyk ned i forskningsemnerne om 'Objective-free excitation of quantum emitters with a laser-written micro parabolic mirror'. Sammen danner de et unikt fingeraftryk.

Citationsformater