Generation of 250 mW narrowband pulsed ultraviolet light by frequency quadrupling of an amplified erbium-doped fiber laser |
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| Authors: | Kuzucu Onur Wong Franco N C Zelmon David E Hegde Shrikrishna M Roberts Tony D Battle Philip |
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| Institution: | Research Laboratory, Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, USA. onur@alum.mit.edu |
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| Abstract: | We demonstrate a high-power, narrowband pulsed source at 390 nm by two stages of frequency doubling in periodically poled MgO:LiNbO(3) and periodically poled KTiOPO(4) of an amplified, passively mode-locked fiber laser. With a frequency quadrupling efficiency of 5.5% and a 0.1 nm bandwidth, the 250 mW ultraviolet source is a suitable compact pump source for many entanglement-based quantum information processing tasks. |
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