Efficient generation of red and blue light from 1.32 μm In partly-periodtcally-poled KTIOPO4 crystal

Xiaodong Mu; Yujie J. Ding

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2001),
paper CFB4

Efficient generation of red and blue light from 1.32 μm In partly-periodtcally-poled KTIOPO₄ crystal

Xiaodong Mu and Yujie J. Ding

Conference on Lasers and Electro-Optics 2001

Baltimore, Maryland United States
6–10 May 2001
ISBN: 1-55752-662-1

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Harmonic Generation (CFB)

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X. Mu and Y. J. Ding, "Efficient generation of red and blue light from 1.32 μm In partly-periodtcally-poled KTIOPO4 crystal," in Conference on Lasers and Electro-Optics, J. Kafka, K. Vahala, R. Williamson, and A. Willner, eds., OSA Technical Digest (Optica Publishing Group, 2001), paper CFB4.

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Abstract

Third-harmonic generation (THG) by cascading second-harmonic generation (SHG) and sum- frequency generation (SFG) is an efficient method for generating short coherent wave- lengths.¹ * Recently, we reported that the THG by cascading non-phase-matched SHG and SFG in a single cerium-doped KTiOPO, (Ce.KTP) crystal from femtosecond laser pulses at 1.32 ftm.⁵ A conversion efficiency of 0.17% was achieved at a pump intensity of 3.2 x 10" W/cm². In order to improve the conversion efficiency, we have de- signed a new KTP structure by using quasi- phase-matched (QPM) SHG to replace the previ- ous non-phase-matched SHG. Here, we report our first result of efficiently generating coherent blue light in this crystal.

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