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Proceedings Paper

Photonic crystal microchip laser
Author(s): D. Gailevicius; V. Koliadenko; V. Purlys; M. Peckus; V. Taranenko; K. Staliunas
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Paper Abstract

The microchip lasers, being sources of coherent light, suffer from one serious drawback: low spatial quality of the beam, strongly reducing the brightness of emitted radiation. Attempts to improve the beam quality, such as pump-beam guiding, external feedback, either strongly reduce the emission power, or drastically increase the size and complexity of the lasers. Here we propose that specially designed photonic crystal in the cavity of a microchip laser, can significantly improve the beam quality. We experimentally show that a microchip laser, due to spatial filtering functionality of intracavity photonic crystal, improves the beam quality factor M2 reducing it by factor of 2, and thus increase the brightness of radiation by a factor of 4. This comprises a new kind of laser, the "photonic crystal microchip laser", a very compact and efficient light source emitting high spatial high brightness radiation.

Paper Details

Date Published: 20 February 2017
PDF: 11 pages
Proc. SPIE 10090, Laser Resonators, Microresonators, and Beam Control XIX, 100901L (20 February 2017); doi: 10.1117/12.2252647
Show Author Affiliations
D. Gailevicius, Vilnius Univ. (Lithuania)
V. Koliadenko, The National Academy of Sciences of Ukraine (Ukraine)
V. Purlys, Vilnius Univ. (Lithuania)
M. Peckus, Vilnius Univ. (Lithuania)
V. Taranenko, The National Academy of Sciences of Ukraine (Ukraine)
K. Staliunas, Univ. Politècnica de Catalunya (Spain)
Institució Catalana de Recerca i Estudis Avançats (Spain)

Published in SPIE Proceedings Vol. 10090:
Laser Resonators, Microresonators, and Beam Control XIX
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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