Photonics: lasers producing tailored beams.
Compact lasers that can produce a range of beam patterns are important for progress in several areas, including the improvement of optical tweezers, ultra-high-density optical memory and microfluidics. 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.
Miyai
Eiji
E
Department of Electronic Science and Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan.
Sakai
Kyosuke
K
Okano
Takayuki
T
Kunishi
Wataru
W
Ohnishi
Dai
D
Noda
Susumu
S