title: Generation of 360-nm ultraviolet light in first-order periodically poled bulk MgO:LiNbO3.
abstract: Ultraviolet second-harmonic generation in first-order periodically poled MgO:LiNbO3 is presented. Using a high-voltage multipulse application method, we fabricated a first-order nonlinear grating with a period of 1.8 microm and depth of approximately 150 microm over 10-mm interaction length in a 1-mm-thick MgO:LiNbO3 substrate. In a single-pass configuration, continuous-wave 30-mW UV light at 362.5 nm was generated for a fundamental power of 522 mW, corresponding to a normalized conversion efficiency of 11%/W.
authors.affiliation: Storage Media Systems Development Center, Matsushita Electric Industrial Company, Ltd., 3-1-1 Yagumo-Nakamachi, Moriguchi, Osaka 570, Japan. mizuuchi.kiminori@jp.panasonic.com
authors.forename: Kiminori
authors.initials: K
authors.lastname: Mizuuchi
authors.forename: Akihiro
authors.initials: A
authors.lastname: Morikawa
authors.forename: Tomoya
authors.initials: T
authors.lastname: Sugita
authors.forename: Kazuhisa
authors.initials: K
authors.lastname: Yamamoto