Journal article
Broadband difference frequency generation around 4.2μm at overlapped phase-match conditions
Abstract
Broadband difference frequency generation is theoretically and experimentally confirmed. It is shown that a wide tunable range of greater than 220nm (FWHM) around 4.2μm can be obtained in a 40mm long periodically poled lithium niobate crystal with a single quasi-phase-matched period at a certain temperature. The broad bandwidth can be explained by means of the group-velocity matching or phase-mismatch minimization at overlapped phase-match …
Authors
Cao Z; Han L; Liang W; Deng L; Wang H; Xu C; Chen W; Zhang W; Gong Z; Gao X
Journal
Optics Communications, Vol. 281, No. 14, pp. 3878–3881
Publisher
Elsevier
Publication Date
7 2008
DOI
10.1016/j.optcom.2008.03.079
ISSN
0030-4018