Optical Vortex Brillouin Laser

Abstract: Optical vortices, which have been extensively studied over the last decades, offer an additional degree of freedom useful in many applications, such as optical tweezers and quantum control. Stimulated Brillouin scattering (SBS), providing a narrow linewidth and a strong nonlinear response, has been used to realize quasi‐continuous wave lasers. Here, stable oscillation of optical vortices and acoustic modes in a Brillouin laser based on chiral photonic crystal fiber (PCF) is reported, which robustly supports helical Bloch modes (HBMs) that carry circularly polarized optical vortex and display circular birefringence. A narrow‐linewidth Brillouin fiber laser that stably emits 1st‐ and 2nd‐order vortex‐carrying HBMs is implemented. Angular momentum conservation selection rules dictate that pump and backward Brillouin signals have opposite topological charge and spin. Additionally, it is shown that when the chiral PCF is placed within a laser ring cavity, the linewidth‐narrowing associated with lasing permits the peak of the Brillouin gain that corresponds to acoustic mode to be measured with resolution of 10 kHz and accuracy of 520 kHz. The results pave the way to a new generation of vortex‐carrying SBS systems with applications in optical tweezers, quantum information processing, and vortex‐carrying nonreciprocal systems.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Optical Vortex Brillouin Laser ; day:05 ; month:02 ; year:2023 ; extent:9
Laser & photonics reviews ; (05.02.2023) (gesamt 9)

Urheber
Zeng, Xinglin
Russell, Philip St. J.
Chen, Yang
Wang, Zheqi
Wong, Gordon K. L.
Roth, Paul
Frosz, Michael H.
Stiller, Birgit

DOI
10.1002/lpor.202200277
URN
urn:nbn:de:101:1-2023020614121288028063
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
14.08.2025, 10:44 MESZ

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Beteiligte

  • Zeng, Xinglin
  • Russell, Philip St. J.
  • Chen, Yang
  • Wang, Zheqi
  • Wong, Gordon K. L.
  • Roth, Paul
  • Frosz, Michael H.
  • Stiller, Birgit

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