Topological defect lasers

We demonstrate topological defect lasers in a GaAs membrane with embedded InAs quantum dots. By introducing a disclination to a square-lattice of elliptical air holes, we obtain spatially confined lasing modes that support powerflow vortices.

[1]  Hui Cao,et al.  Optically pumped InAs quantum dot microdisk lasers , 2000 .

[2]  Costas M. Soukoulis,et al.  Photonic Crystals and Light Localization in the 21st Century , 2001 .

[3]  Kazuaki Sakoda,et al.  Optical Properties of Photonic Crystals , 2001 .

[4]  Koch,et al.  Many-body theory for semiconductor microcavity lasers. , 1995, Physical review. A, Atomic, molecular, and optical physics.

[5]  Zach DeVito,et al.  Opt , 2017 .

[6]  M. Wegener,et al.  Transient response of a short-cavity semiconductor laser , 1995 .

[7]  E. Brasselet,et al.  Electrically controlled topological defects in liquid crystals as tunable spin-orbit encoders for photons. , 2011, Optics letters.

[8]  Andrew G. Glen,et al.  APPL , 2001 .

[9]  Paras N Prasad,et al.  Optical trapping of director structures and defects in liquid crystals using laser tweezers. , 2007, Optics express.

[10]  I Musevic,et al.  Nematic colloids, topology and photonics , 2013, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[11]  Hui Cao,et al.  Photonic crystals with topological defects , 2015 .

[12]  Steven G. Johnson,et al.  Photonic Crystals: Molding the Flow of Light , 1995 .

[13]  Yong-Hee Lee,et al.  Square-lattice photonic band-gap single-cell laser operating in the lowest-order whispering gallery mode , 2002 .

[14]  He,et al.  Direct observation of transfer of angular momentum to absorptive particles from a laser beam with a phase singularity. , 1995, Physical review letters.

[15]  Etienne Brasselet,et al.  Manipulating the orbital angular momentum of light at the micron scale with nematic disclinations in a liquid crystal film. , 2013, Physical review letters.

[16]  Saulius Juodkazis,et al.  Optical vortices from liquid crystal droplets. , 2009, Physical review letters.

[17]  G. G. Stokes.  "J." , 1890, The New Yale Book of Quotations.

[18]  M G Clerc,et al.  Harnessing optical vortex lattices in nematic liquid crystals. , 2013, Physical review letters.

[19]  Toshihiko Baba,et al.  Roadmap on Photonic Crystals , 2003 .

[20]  Randall D. Kamien,et al.  Topological colloids , 2013, Nature.

[21]  M G Clerc,et al.  Vortex induction via anisotropy stabilized light-matter interaction. , 2012, Physical review letters.

[22]  Saulius Juodkazis,et al.  Statics and dynamics of radial nematic liquid-crystal droplets manipulated by laser tweezers. , 2008, Physical review. E, Statistical, nonlinear, and soft matter physics.

[23]  E. Brasselet.  Spin-orbit optical cross-phase-modulation , 2010 .