Injection-Locking of Blue Laser Diodes and Its Application to the Laser Cooling of Neutral Ytterbium Atoms

Injection-Locking of Blue Laser Diodes and Its Application to the Laser Cooling of Neutral Ytterbium Atoms

Authors present a simple, laser-diode-based uv light source with sufficient power and narrow linewidth. In this scheme, an injection-locking technique was applied to a GaN blue laser diode (LD). By injecting approximately 5 mW output light of the external cavity laser diode (ECLD) into two free-runn...

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Veröffentlicht in:Japanese Journal of Applied Physics 2003, Vol.42 (Part 1, No. 8), p.5059-5062
Hauptverfasser: Komori, Kaduki, Takasu, Yosuke, Kumakura, Mitsutaka, Takahashi, Yoshiro, Yabuzaki, Tsutomu
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container_end_page 5062
container_issue Part 1, No. 8
container_start_page 5059
container_title Japanese Journal of Applied Physics
container_volume 42
creator Komori, Kaduki
Takasu, Yosuke
Kumakura, Mitsutaka
Takahashi, Yoshiro
Yabuzaki, Tsutomu
description Authors present a simple, laser-diode-based uv light source with sufficient power and narrow linewidth. In this scheme, an injection-locking technique was applied to a GaN blue laser diode (LD). By injecting approximately 5 mW output light of the external cavity laser diode (ECLD) into two free-running blue slave LDs, authors could obtain an output power of over 30 mW from the injection-locked slave LDs. The characterisitics of the injection-locked slave LD were studied. Authors also present an absolute frequency-locking scheme with about a 500 MHz locking bandwidth, where authors achieved offset-locking of the frequencies of two ECLDs. As an interesting example of the application of these developments, authors demonstrated laser cooling and trapping of ytterbium atoms. 18 refs.
doi_str_mv 10.1143/JJAP.42.5059
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title Injection-Locking of Blue Laser Diodes and Its Application to the Laser Cooling of Neutral Ytterbium Atoms
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