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Closed Access item Laser nanosources based on planar photonic crystals as new platforms for nanophotonic devices

Authors:Postigo, Pablo Aitor
Rodríguez Alija, Alfonso
Martínez Rodríguez, Luis Javier
Dotor, María Luisa
Golmayo, Dolores
Sánchez-Dehesa, José
Seassal, Christian
Viktorovitch, P.
Galli, Matteo
Politi, Alberto
Patrini, M.
Andreani, Lucio C.
Keywords:Nanophotonics, Photonic crystals, Lasers, Optoelectronics, Photonic integrated circuits, Nanotechnology
Issue Date:Oct-2007
Publisher:Elsevier
Citation:Photonics and Nanostructures - Fundamentals and Applications 5, 2-3: 79-85 (Oct. 2007)
Abstract:Two-dimensional photonic crystal lasers have been fabricated on III–V semiconductor slabs. Tuning of the spontaneous emission in micro and nanocavities has been achieved by accurate control of the slab thickness. Different structures, some of them of new application to photonic crystal lasers, have been fabricated like the Suzuki-phase or the coupled-cavity ring-like resonators. Laser emission has been obtained by pulsed optical pumping. Optical characterization of the lasing modes have been performed showing one or more laser peaks centred around 1.55 μm. Far field characterization of the emission pattern has been realized showing different patterns depending on the geometrical shape of the structures. These kinds of devices may be used as efficient nanolaser sources for optical communications or optical sensors.
Description:[Full-text not avalaible yet]
URI:http://hdl.handle.net/10261/2696
ISSN:1569-4410
???metadata.dc.identifier.doi???:10.1016/j.photonics.2007.07.004
Appears in Collections:(IMM-CNM) Artículos

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