… We pump the waveguide with 1,550 nm pulses from a 100 MHz Er:fibre frequency comb that
is … Additional optimization of the waveguides can potentially yield efficiencies of >30% over …

… the near-ultraviolet (NUV) range in waveguides of aluminum nitride … 11 showing a frequency
comb spanning of more than 100 THz. Such … In a non-centrosymmetric LNOI waveguide, we …

… Alternatively, in ferroelectric crystals such as LiNbO3, quasi-… uide designs with a low-repetition
rate (100 MHz), 80 fs mode-… to a miniature Rb atomic frequency source; over the relevant …

… enables optical frequency conver sion from the ultraviolet to the … together to form a frequency
comb purely from quadratic … materials possessing a non-centrosymmetric crystal structure…

… AlN waveguides. Our work establishes the great potential of non-centrosymmetric AlN … of
a 2-inch AlN wafer featuring a broad transparency window from ultraviolet (UV), visible (ViS) to …

… are non-centrosymmetric as stated earlier in this section. Typically these devices consist of
optical waveguides coupled to … Beyond 100 thz-spanning ultra- violet frequency combs in a …

… in leveraging crystalline AlN for nonlinear optical frequency … for access near-visible and
ultraviolet optical frequency combs. … bus waveguide is coupled to a microring resonator with a …

… of chip-based optical frequency comb and highlights recent … visible or infrared light to
ultraviolet light. In DFG, a difference … waveguide, the repetition rate, and wavelength range of the …

… a wide spectral coverage from the ultraviolet (UV) to the mid-… Over the past two decades,
nonlinear frequency conversion … ) [10] and non-centrosymmetric crystalline waveguides [11]. …

… frequency comb lines were separated using photonic crystals-… (2 waveguides) will produce
more than 150 frequency comb … the frequency combs generated by the proposed waveguide …