Plasmon Enhanced Optical Near-field Probing of Metal Nanoaperture Surface Emitting Laser
Optics Express, Vol. 12, Issue 25, pp. 6391-6396 (2004)
http://dx.doi.org/10.1364/OPEX.12.006391
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Abstract
We demonstrate a metal nano-aperture GaAs vertical cavity surface emitting laser (VCSEL) for sub-wavelength optical near-filed probing, which exhibits the strong plasmon enhancement of both optical near-fields and voltage signals with forming a metal nano-particle in the nano-aperture. The threshold current is as low as 300µA, which shows a potential of nano-probing with low power consumption. We achieved the first demonstration of a plasmon enhanced VCSEL near-field probe. The spatial resolutions of the VCSEL probe with 400 nm and 200 nm apertures are 240nm and 130 nm, respectively. The enhancement factors of the optical near-field and voltage signal with a Au particle are 1.8 and 2, respectively. Our FDTD simulation shows that localized plasmon with a Au particle is very helpful for increasing optical near-field intensity and signal voltage in the VCSEL nano-probing.
© 2004 Optical Society of America
OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(240.6680) Optics at surfaces : Surface plasmons
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
ToC Category:
Research Papers
History
Original Manuscript: October 4, 2004
Revised Manuscript: December 6, 2004
Published: December 13, 2004
Citation
Jiro Hashizume and Fumio Koyama, "Plasmon Enhanced Optical Near-field Probing of Metal Nanoaperture Surface Emitting Laser," Opt. Express 12, 6391-6396 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-25-6391
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