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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 2072–2075

Larger-area single-mode photonic crystal surface-emitting lasers enabled by an accidental Dirac point

Song-Liang Chua, Ling Lu, Jorge Bravo-Abad, John D. Joannopoulos, and Marin Soljačić  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 2072-2075 (2014)
http://dx.doi.org/10.1364/OL.39.002072


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Abstract

By altering the lattice geometry of the photonic crystal (PhC) surface-emitting lasers (PCSELs), we tune the regular lasing band edges of quadratic dispersions to form a single accidental Dirac point of linear dispersion at the Brillouin zone center. This not only increases the mode spacing by orders of magnitude but also eliminates the distributed in-plane feedback to enable single-mode PCSELs of substantially larger area and thus substantially higher output power. The advantages of using accidental Dirac cones are systematically evaluated through two-dimensional in-plane calculations and confirmed by three-dimensional simulations of PhC slab devices.

© 2014 Optical Society of America

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(250.7270) Optoelectronics : Vertical emitting lasers
(230.5298) Optical devices : Photonic crystals

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 10, 2013
Revised Manuscript: February 25, 2014
Manuscript Accepted: February 28, 2014
Published: March 27, 2014

Citation
Song-Liang Chua, Ling Lu, Jorge Bravo-Abad, John D. Joannopoulos, and Marin Soljačić, "Larger-area single-mode photonic crystal surface-emitting lasers enabled by an accidental Dirac point," Opt. Lett. 39, 2072-2075 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-2072

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