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An integrated photonic engine for programmable atomic control
Solutions for scalable, high-performance optical control are important for the development of
scaled atom-based quantum technologies. Modulation of many individual optical beams is …
scaled atom-based quantum technologies. Modulation of many individual optical beams is …
High-performance grating couplers on 220-nm thick silicon by inverse design for perfectly vertical coupling
Efficient grating couplers (GCs) for perfectly vertical coupling are difficult to realize due to the
second-order back reflection. In this study, apodized GCs (AGCs) are presented for …
second-order back reflection. In this study, apodized GCs (AGCs) are presented for …
Inverse design of nanophotonic devices enabled by optimization algorithms and deep learning: recent achievements and future prospects
Nanophotonics, which explores significant light–matter interactions at the nanoscale, has
facilitated significant advancements across numerous research fields. A key objective in this …
facilitated significant advancements across numerous research fields. A key objective in this …
Adjoint optimization of polarization-splitting grating couplers
We have designed a polarization-splitting grating coupler (PSGC) in silicon-on-insulator
(SOI) that has 1.2? dB peak loss in numerical simulations, which is the best simulated …
(SOI) that has 1.2? dB peak loss in numerical simulations, which is the best simulated …
Wafer-level testing of inverse-designed and adjoint-inspired dual layer Si-SiN vertical grating couplers
Recently, silicon photonics foundries started providing access to new dielectric stacks which
can be utilized to reduce optical I/O losses. For example, in a hybrid c-Si/SiN platform …
can be utilized to reduce optical I/O losses. For example, in a hybrid c-Si/SiN platform …
Single-etched fiber-chip coupler with a metal mirror on a 220-nm silicon-on-insulator platform for perfectly vertical coupling
L Wang, J Qiu, Z Dong, Y Chen, L Wu, H Guo, J Wu - Optics Letters, 2024 - opg.optica.org
Vertical couplers play a pivotal role as essential components supporting interconnections
between fibers and photonic integrated circuits (PICs). In this study, we propose and …
between fibers and photonic integrated circuits (PICs). In this study, we propose and …
Realizing highly efficient vertical coupling with dielectric deflective metasurfaces
M **e, B **ong, T Chu - Optics Letters, 2024 - opg.optica.org
Using dielectric deflective metasurfaces, we propose a novel, to the best of our knowledge,
out-of-plane modulation scheme to realize vertical coupling on a 220? nm silicon-on …
out-of-plane modulation scheme to realize vertical coupling on a 220? nm silicon-on …
Automatic differentiation accelerated shape optimization approaches to photonic inverse design on rectilinear simulation grids
Shape optimization approaches to inverse design offer low-dimensional, physically-guided
parameterizations of structures by representing them as combinations of shape primitives …
parameterizations of structures by representing them as combinations of shape primitives …
Design and demonstration of high efficiency perfectly vertical grating couplers with a random structure
X **, J Xu, C Xue, C Guo, L Fu, M Liu, Y Shen… - Optics Letters, 2024 - opg.optica.org
Utilizing an automated optimization method, we propose a perfectly vertical grating coupler
(PVGC) characterized by random structure, superior performance, simplified fabrication …
(PVGC) characterized by random structure, superior performance, simplified fabrication …
Automatic Differentiation Accelerated Shape Optimization Approaches to Photonic Inverse Design in FDFD/FDTD
Shape optimization approaches to inverse design offer low‐dimensional, physically‐guided
parameterizations of structures by representing them as combinations of primitives …
parameterizations of structures by representing them as combinations of primitives …