Science - USA (2021-12-03)

resonantly drives a mechanical oscillator, itself parametrically coupled to a laser-driven optical cavity,whichresultsinmodulati ...

to match the vibration frequency of BPhT atnm≃32.4 THz. When a pump laser tuned at 405 THz (740 nm) is focused on the sample (Fi ...

of the upconverted Raman signal from 0.1 to 100mW (green circles in Fig. 3A), which is consistent with the expected parametric u ...

NANOPHOTONICS Detecting mid-infrared light by molecular frequency upconversion in dual-wavelength nanoantennas Angelos Xomalis^1 ...

on self-assembled molecular monolayers with discrete vibrational absorption modes in the l=6to12mm range. Coupling requires matc ...

much faster than the QCL pulse repetition rate (5ms). To better quantify the upconversion effi- ciency, we measured the percenta ...

B. Schwarzet al.,Nat. Commun. 5 , 4085 (2014). P. Roelli, D. Martin-Cano, T. J. Kippenberg, C. Galland, Phys. Rev. X 10 , 03105 ...

follow-up ground-based photometry and found no contamination from eclipsing binaries up to 2.5 arc sec from the target star ( 9 ...

SCIENCEscience.org 3 DECEMBER 2021¥VOL 374 ISSUE 6572 1273 Table 1. Properties of host star GJ 367 and planet GJ 367b.The stella ...

Modeller ( 13 ), to model the transit photometry and RV data simultaneously ( 9 ). Table 1 re- ports the physical properties of ...

Processing and Analysis Consortium (DPAC) (www.cosmos.esa. int/web/gaia/dpac/consortium). Funding for DPAC has been provided by ...

indications that regional fluxes vary subs- tantially on decadal time scales ( 7 , 11 , 12 ), it is essential to develop more-ro ...

three times larger than that inDyCO 2. Var- iation in drawdown intensity across stations contributing toDyCO 2 likely reflects d ...

campaigns flown in March to November together (Fig. 3B). For the surface data, we find a signif- icant positive relationship bet ...

during austral summer, intensifying the flux signal in the lower troposphere; more-energetic vertical mixing in other seasons, a ...

Our analysis demonstrates that Southern Ocean air-sea fluxes impart a coherent pattern in atmospheric CO 2 as measured by aircra ...

ORGANIC CHEMISTRY Ligand-controlled divergent dehydrogenative reactions of carboxylic acids via CÐH activation Zhen Wang^1 †, Li ...

for C(sp^2 )–H activation of nicotinic acids ( 26 ); cognizant of this, we examined five-membered chelate analogs ofL5toL7to inv ...

yields with inexpensivetert-butyl hydro- peroxide (TBHP) oxidant, ranging from 40 to 61% (2ato2d,2qto2s, and2agto2ai). Using 1 a ...

the dehydrogenation reaction, and the coupling partners employed must not interfere with the preceding dehydrogenation step, we ...