Second harmonic generation at 399 nm resonant on the ^1S_0−^1P1 transition of ytterbium using a periodically poled LiNbO_3 waveguide

Kobayashi, Takeyuki; Akamatsu, Daisuke; Nishida, Y.; Tanabe, Takasumi; Yasuda, Masami; Hong, Feng−Lei; Hosaka, Kazumoto

doi:10.1364/oe.24.012142

Cited by 21 publications

(8 citation statements)

References 50 publications

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“…The case is important due to the strong electric dipole tran-sition between ground and excited 4f 14 6s6p 1 P o 1 state. It strongly dominates in the polarizability of Yb [49], it can be used in cooling [52], etc. The experimental value for the electric dipole amplitude is 4.148 a.u.…”

Section: Ytterbium Atommentioning

confidence: 99%

Combining configuration interaction with perturbation theory for atoms with a large number of valence electrons

et al. 2017

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A version of the configuration interaction (CI) method is developed which treats highly excited many-electron basis states perturbatively, so that their inclusion does not affect the size of the CI matrix. This removes, at least in principle, the main limitation of the CI method in dealing with many-electron atoms or ions. We perform calculations of the spectra of iodine and its ions, tungsten, and ytterbium as examples of atoms with open s, p, d and f -shells. Good agreement of the calculated data with experiment illustrates the power of the method. Its advantages and limitations are discussed.PACS numbers:

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Section: Ytterbium Atommentioning

confidence: 99%

Combining configuration interaction with perturbation theory for atoms with a large number of valence electrons

et al. 2017

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“…Frequency doubling was provided by a pig-tailed waveguide doubler and ~170 W output was obtained in the output fiber at 399 nm for ~50 mW in the fiber input at 798 nm. This doubler was supplied to us by AdvR [17] and is similar to that recently demonstrated by a group at the National Metrology Institute of Japan in collaboration with the NTT Electronics Corporation [18].…”

Section: Introductionmentioning

confidence: 99%

Compact laser system for a laser-cooled ytterbium ion microwave frequency standard

Mulholland

Klein

Barwood

et al. 2019

Review of Scientific Instruments

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The development of a transportable microwave frequency standard based on the ground-state transition of 171 Yb + at ~12.6 GHz requires a compact laser system for cooling the ions, clearing out of long-lived states and also for photoionisation. In this paper, we describe the development of a suitable compact laser system based on a 6U height rack-mounted arrangement with overall dimensions 260  194  335 mm. Laser outputs at 369 nm (for cooling), 399 nm (photoionisation), 935 nm (repumping) and 760 nm (state clearout) are combined in a fiber arrangement for delivery to our linear ion trap and we demonstrate this system by cooling of 171 Yb + ions. Additionally, we demonstrate that the lasers at 935 nm and 760 nm are close in frequency to water vapor and oxygen absorption lines respectively; specifically, at 760 nm, we show that one 171 Yb + transition is within the pressure broadened profile of an oxygen line. These molecular transitions form convenient wavelength references for the stabilization of lasers for a 171 Yb + frequency standard.

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“…The full width at half maximum of this curve is 160 pm. As it is often reported elsewhere, experimental data deviate from the theoretical squared sine cardinal (sinc 2 ) shape and show a strong asymmetry [20,[25][26][27]. This results from inhomogeneity of the polling period or of the geometry or the index of the guide (thermal distribution, doping concentration inhomogeneity, etc.)…”

Section: Fig 2 Photograph Of the Sfg -Ppln Waveguide Modulementioning

confidence: 81%

Efficient third harmonic generation of a CW-fibered 1.5 µm laser diode

et al. 2016

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We report on frequency tripling of CW-Telecom laser diode using two cascaded PPLN ridge nonlinear crystals, both used in single-pass configuration. All optical components used for this development are fibered, leading to a very compact and easy to use optical setup. We have generated up to 290 mW optical power in the green range, from 800 mW only of infrared power around 1.54 µm. This result corresponds to an optical conversion efficiency P3ω/Pω > 36 %. To our knowledge, this is best value ever demonstrated up today for a CW-third harmonic generation in single-pass configuration. This frequency tripling experimental setup was tested over more than two years of continuous operation, without any interruption. The compactness and the reliability of our device make it very suitable as a transportable optical oscillator. In particular, it paves the way for embedded applications thanks to the high level of long term stability of the optical alignments.

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Second harmonic generation at 399 nm resonant on the ^1S_0−^1P1 transition of ytterbium using a periodically poled LiNbO_3 waveguide

Cited by 21 publications

References 50 publications

Combining configuration interaction with perturbation theory for atoms with a large number of valence electrons

Combining configuration interaction with perturbation theory for atoms with a large number of valence electrons

Compact laser system for a laser-cooled ytterbium ion microwave frequency standard

Efficient third harmonic generation of a CW-fibered 1.5 µm laser diode

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