Brief Communications
Nature 441, 946 (22 June 2006) | doi:10.1038/441946a; Received 28 February 2006; Accepted 18 April 2006; Published online 21 June 2006
Photonics: Lasers producing tailored beams
Eiji Miyai1, Kyosuke Sakai1, Takayuki Okano1, Wataru Kunishi1,2, Dai Ohnishi1,2 and Susumu Noda1
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.
- Department of Electronic Science and Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- Optical Device Research and Development Center, ROHM, 21 Mizosaki-cho, Saiin, Ukyo-ku, Kyoto 615-8585, Japan
Correspondence to: Susumu Noda1 Email: snoda@kuee.kyoto-u.ac.jp
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