Highly tunable second-harmonic generation in all-optically poled silicon nitride waveguides

E Nitiss, O Yakar, A Stroganov, CS Brès - Optics Letters, 2020 - opg.optica.org
… the pump wavelength used during poling, owing to the highly flexible and reconfigurable
nature of the underlying physical principle. We show a broad tunability over the entire C-band, …

Broadband 200-nm second-harmonic generation in silicon in the telecom band

N Singh, M Raval, A Ruocco, MR Watts - Light: Science & Applications, 2020 - nature.com
… a tunablebroader SHG can increase the carrier–envelope offset frequency (f ceo ) signal
strength for photodetection, as a broader second-harmonic signal can overlap with a broader

Entangled Photon Pair Sources Based on Periodically Poled Silica Fiber

C Chen - 2022 - search.proquest.com
… entanglement quality and broad emission bandwidth, while the … in high power second-harmonic
generation (SHG) instead of … By sweeping the wavelengths of the tunable laser, we may …

[HTML][HTML] Generation of second harmonic at wide conversion band in GRIN multimode fibers

M Jonard, Y Arosa, A Tonello, T Mansuryan… - Optics …, 2024 - Elsevier
… to second harmonic generation in multimode fibers. … to the broad generation of the second
harmonic in GRIN fibers. … in multimode fibers by exploring the generation of tunable spectral …

Cryogenic second-harmonic generation in periodically poled lithium niobate waveguides

M Bartnick, M Santandrea, JP Höpker, F Thiele… - Physical Review …, 2021 - APS
second-harmonic generation in a fiber-coupled periodically … We pump the nonlinear waveguide
with a tunable narrow-band cw … consisting of seven equally broad plateaus of height ci. …

Demonstration of a polarization-frequency hyperentangled photon pair source based on periodically poled silica fiber

HYC Xu - 2023 - search.proquest.com
… Therefore, one can generate broadband polarization-… is characterized by taking a
second-harmonic generation (SHG) … in Figure 2.3 with a pair of tunable frequency filters (top hat …

Difference-frequency generation in optically poled silicon nitride waveguides

E Sahin, B Zabelich, O Yakar, E Nitiss, J Liu… - …, 2021 - degruyter.com
… processes, such as second-harmonic generation, were previously … A broader range of
nonlinear optical operations in the … For poling, we used a tunable wavelength source operating …

Second harmonic generation in engineered silicon waveguides

C Vecchi - 2021 - iris.unitn.it
… Optical fibers are replacing copper wires all around the world. Indeed, optical fibers are
more … Thanks to OFCs with direct broad spectral emission in the MIR region, it is possible to …

[HTML][HTML] Intense two-octave ultraviolet-visible-infrared supercontinuum laser via high-efficiency one-octave second-harmonic generation

M Li, L Hong, ZY Li - Research, 2022 - spj.science.org
… per pulse, broader bandwidth, flatter spectral profile, and interestingly, broadly tunable chroma
[… To meet the first condition, we used the SCG scheme where a 2 cm thick fused silica was …

[PDF][PDF] Broadband and continuous wave pumped second-harmonic generation from microfiber coated with layered GaSe crystal

Z Hao, B Jiang, Y Ma, R Yi, X Gan… - Opto-Electronic …, 2023 - researching.cn
… of fused silica fiber, only quite weak surface second-harmonic (SH) … and thus greatly limit
broadband applications. It is the same case in … Widely tunable second-harmonic generation in a …