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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 8 — Aug. 10, 2007

High-intensity bowtie-shaped nano-aperture vertical-cavity surface-emitting laser for near-field optics

Zhilong Rao, Lambertus Hesselink, and James S. Harris  »View Author Affiliations


Optics Letters, Vol. 32, Issue 14, pp. 1995-1997 (2007)
http://dx.doi.org/10.1364/OL.32.001995


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Abstract

We report a high-intensity nano-aperture vertical-cavity surface-emitting laser (VCSEL) utilizing a bowtie-shaped aperture. A maximum power of 188 μW is achieved from a 180 nm bowtie aperture at a wavelength of 970 nm. The near-field full width at half-maximum intensity spot size 20 nm away from the bowtie aperture is 64 nm×66 nm from simulation, and the peak near-field intensity is estimated to be as high as 47 mW/μm2. This intensity is high enough to realize near-field optical recording, and the small spot size corresponds to storage densities up to 150 Gbits/in2. The bowtie-aperture VCSEL also enables other applications, such as compact high-intensity probes for ultrahigh-resolution near-field imaging and single molecule fluorescence and spectroscopy.

© 2007 Optical Society of America

OCIS Codes
(210.4770) Optical data storage : Optical recording
(230.5440) Optical devices : Polarization-selective devices
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers

ToC Category:
Optical Devices

History
Original Manuscript: March 19, 2007
Revised Manuscript: May 15, 2007
Manuscript Accepted: May 16, 2007
Published: July 3, 2007

Virtual Issues
Vol. 2, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Zhilong Rao, Lambertus Hesselink, and James S. Harris, "High-intensity bowtie-shaped nano-aperture vertical-cavity surface-emitting laser for near-field optics," Opt. Lett. 32, 1995-1997 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-32-14-1995

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