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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 14 — Jul. 15, 2007
  • pp: 1995–1997

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)

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We report a high-intensity nano-aperture vertical-cavity surface-emitting laser (VCSEL) utilizing a bowtie-shaped aperture. A maximum power of 188 μ W 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 μ m 2 . This intensity is high enough to realize near-field optical recording, and the small spot size corresponds to storage densities up to 150 Gbits in 2 . 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

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

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)

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