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Photonics

Lasers producing tailored beams

Naturevolume 441page946 (2006) | Download Citation

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Abstract

Compact lasers that can produce a range of beam patterns are important for progress in several areas, including the improvement of optical tweezers1, ultra-high-density optical memory2 and microfluidics3. Here we engineer photonic crystals to generate semiconductor lasers that produce a range of beam patterns while maintaining stable single-mode oscillation. Our results could contribute to the realization of compact lasers that are capable of producing diverse beam patterns on demand.

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Affiliations

  1. Department of Electronic Science and Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan

    • Eiji Miyai
    • , Kyosuke Sakai
    • , Takayuki Okano
    • , Wataru Kunishi
    • , Dai Ohnishi
    •  & Susumu Noda
  2. Optical Device Research and Development Center, ROHM, 21 Mizosaki-cho, Saiin, Ukyo-ku, Kyoto, 615-8585, Japan

    • Wataru Kunishi
    •  & Dai Ohnishi

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Competing interests

The authors declare no competing financial interests.

Corresponding author

Correspondence to Susumu Noda.

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DOI

https://doi.org/10.1038/441946a

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