… to accurately control the grating strength and achieve narrow … Bragg grating geometry utilizing a silicon subwavelengthgrating … device, the waveguide core is formed by a subwavelength …
SH Badri, SG Farkoush - Applied Optics, 2021 - opg.optica.org
… the designed devices. We present an optical filter based on a silicon subwavelengthgrating (… and their distance from the SWG core on the filter’s central wavelength and bandwidth are …
… Finally, we illustrate the design of two ground-breaking devices in more detail and discuss the prospects of subwavelengthgratings as a tool … 3.5 Narrowband spectral filteringdevices …
MA Butt, C Tyszkiewicz, K Wojtasik… - International Journal of …, 2022 - mdpi.com
… periodicity of the subwavelengthgrating. SWG waveguide with a certain grating period or duty … The device performance of the SWG waveguide NIR filter is discussed in terms of ER and …
X Chen, X Shi, P Qiu, Z Dai, Y Yu, X Song, H Zhang… - Optics Letters, 2022 - opg.optica.org
… demonstrate a device, enabling mode conversion and filtering simultaneously, which is … couplers with subwavelengthgratings, in a small footprint of 14.7 µm × 1.42 µm. The device can …
… Wavelength filtering optical devices are primary elements that are used in applications such as fluorescence microscopy, switching, spectroscopy, wavelength division multiplexing, and …
X Han, L Chen, Y Jiang, A Frigg, H Xiao… - Laser & Photonics …, 2022 - Wiley Online Library
… crosstalk when dozens to hundreds of devices are cascaded, resulting in serious signal degradation. [ 6 ] Mode filters are a type of device that can filter the undesired modes out of the …
R Sumi, ND Gupta, BK Das - IEEE Photonics Technology …, 2019 - ieeexplore.ieee.org
… Further we analyzed the edge filter characteristics of the second set of devices and observed that λedge shifts towards longer wavelengths with increasing Wm (see Fig. 5(b)). Though …