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Appl. Sci. 2018, 8(4), 629; https://doi.org/10.3390/app8040629

Blue and Orange Two-Color CW Laser Based on Single-Pass Second-Harmonic and Sum-Frequency Generation in MgO:PPLN

1
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Received: 19 March 2018 / Revised: 12 April 2018 / Accepted: 12 April 2018 / Published: 18 April 2018
(This article belongs to the Section Optics and Lasers)
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Abstract

We demonstrate a compact blue and orange-two color continuous wave laser source emitting at 487 nm and from 597.4 to 600.3 nm, respectively. The temperature tunable coherent orange radiation is achieved by frequency mixing 974 nm laser diode (LD) and a C-band amplified spontaneous emission laser source while the temperature insensitive blue radiation is generated by second-order quasi-phase-matching frequency doubling of 974 nm LD. We implement the simultaneous nonlinear processes in a single magnesium oxide doped periodically poled lithium niobate bulk crystal without the need of an aperiodic design. View Full-Text
Keywords: lithium niobate; second harmonic generation; sum frequency generation; quasi phase-matching; lasers lithium niobate; second harmonic generation; sum frequency generation; quasi phase-matching; lasers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Choge, D.K.; Chen, H.-X.; Xu, Y.-B.; Guo, L.; Li, G.-W.; Liang, W.-G. Blue and Orange Two-Color CW Laser Based on Single-Pass Second-Harmonic and Sum-Frequency Generation in MgO:PPLN. Appl. Sci. 2018, 8, 629.

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