Design and demonstration of an efficient pump rejection filter for silicon photonic applications

A Goswami, B Krishna Das - Optics Letters, 2022 - opg.optica.org
Photon pair generation via spontaneous four-wave mixing in silicon waveguides/microring
resonators integrated with a high extinction pump rejection filter is very much in demand for …

Optical MEMS accelerometer sensor relying on a micro‐ring resonator and an elliptical disk

AKN Shotorban, K Jafari, K Abedi - IET Circuits, Devices & …, 2019 - Wiley Online Library
Here, a novel optical micro‐electro‐mechanical systems (MEMS) accelerometer sensor
based on a micro‐ring resonator and an elliptical disk is proposed. The designed optical …

Thermally stable optical filtering using silicon-based comb-like asymmetric grating for sensing applications

S Jain, S Srivastava, S Rajput, L Singh… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
A silicon-based compact comb-like asymmetric grating is proposed as a thermally stable
optical filter for label-free sensing applications. The device is designed and fabricated with a …

Silicon-on-insulator microring resonator sensor based on an amplitude comparison sensing function

W Yang, S Song, X Yi, SX Chew, L Li, L Nguyen - Optics Letters, 2017 - opg.optica.org
A novel, highly sensitive integrated sensor based on a silicon-on-insulator microring
resonator is proposed and experimentally demonstrated. To achieve a fast-response and …

Design of grating based narrow band reflector on SOI waveguide

T Sharma, V Rana, J Wang, Z Cheng, Y Chen, Y Geng… - Optik, 2021 - Elsevier
A grating-based narrowband wavelength selective reflector on silicon on insulator
waveguide is proposed here. The 500 nm thick silicon waveguide is used in the reflector …

Integrated optical linear edge filters using apodized sub-wavelength grating waveguides in SOI

R Sumi, ND Gupta, BK Das - IEEE Photonics Technology …, 2019 - ieeexplore.ieee.org
An integrated optical apodized sub-wavelength grating waveguide is designed and
demonstrated exhibiting high-extinction edge-filter characteristics with a linear roll-off in the …

Photonic bandpass filter characteristics of multimode SOI waveguides integrated with submicron gratings

P Sah, BK Das - Applied optics, 2018 - opg.optica.org
It has been shown that a fundamental mode adiabatically launched into a multimode SOI
waveguide with submicron grating offers well-defined flat-top bandpass filter characteristics …

Investigation of backward cladding-mode coupling in Bragg gratings implemented on a Si3N4 waveguide platform

J Zhan, Y Zhang, Y Hu, S Xie, S Veilleux, M Dagenais - JOSA B, 2019 - opg.optica.org
We present experimental and simulation results of sidewall Bragg gratings (BGs)
implemented on a silicon nitride waveguide platform, with emphasis on the appreciable drop …

Ultracompact fiber laser based on a highly integrated optical device

X Han, X Liu - Photonics Research, 2018 - opg.optica.org
The ultrafast fiber laser has attracted a great deal of research interest due to its low cost,
high efficiency, and simple maintenance. Optical passive devices are vital parts of a fiber …

Compact broadband optical filter with perturbed Bragg gratings in silicon-on-insulator waveguide

P Sah, Pushpalata, M Kumar, P Mirajkar… - Optical …, 2024 - spiedigitallibrary.org
A silicon-on-insulator substrate hosts a broadband wavelength filter featuring perturbed
Bragg gratings. This perturbation is induced by strategically placing waveguides near the …