Publications
P Gatkine, G Cercel, N Jovanovic, R Broeke, K Lawniczuk, M Passoni, A Balakrishnan, S Bidnyk, J Yin… - Optics Express, 2024 - opg.optica.org
Broadband low-resolution near-infrared spectrographs in a compact form are crucial for ground- and space-based astronomy and other fields of sensing. Astronomical spectroscopy poses stringent requirements including high efficiency, broad band operation (> 300 nm) …
K Yadav, S Bidnyk, A Balakrishnan - AI and Optical Data Sciences V, 2024 - spiedigitallibrary.org
Leveraging the power of machine learning, we introduce a breakthrough approach in high-volume manufacturing of photonics chips for advanced applications. Despite the transformative potential of photonics in many industries, its widespread adoption has been hindered by …
S Bidnyk, K Yadav, A Balakrishnan - Integrated Optics: Devices …, 2024 - spiedigitallibrary.org
We introduce cutting-edge monolithically integrated photonic designs realized in a high-performance silica-on-silicon planar lightwave circuit (PLC) platform. Systems-on-chip require integration from a dozen to a few hundred optical functions, necessitating component and …
K Yadav, S Bidnyk, A Balakrishnan - AI and Optical Data Sciences IV, 2023 - spiedigitallibrary.org
Artificial intelligence (AI) and machine learning (ML) have tremendous potential for increasing the scale and reach of the photonics industry. We present how the use of AI/ML has revolutionized the field of photonic integrated circuit design and manufacturing, and resulted …
S Bidnyk, K Yadav, S-H Liu , … - Integrated Optics: Devices …, 2023 - spiedigitallibrary.org
We present advanced photonic architectures based on a state-of-the-art silica-on-silicon planar lightwave circuit (PLC) platform. The industry-leading performance characteristics of the platform with respect to fiber coupling, propagation losses, and polarization control have led …
K Yadav, S Bidnyk, A Balakrishnan - EPJ Web of Conferences, 2023 - epj-conferences.org
Machine learning has opened a new realm of possibilities in photonic circuit design and manufacturing. First, we describe our approach of using deep learning to optimize the multi-dimensional parameter space for hundreds of optical chips on a mask, resulting in …
K Yadav, S Bidnyk, A Balakrishnan - 2022 Photonics North (PN), 2022 - ieeexplore.ieee.org
The performance homogeneity of photonic chips is critical when it comes to the deployment of the technology in high volume applications. We present our research for using machine learning for optimization of the design space and prediction of optical performance of the planar …
S Bidnyk, K Yadav, A Balakrishnan - 2022 Photonics North (PN), 2022 - ieeexplore.ieee.org
Densification of photonic functionality is important as the optical communication industry strives to achieve higher levels of integration. We present a new approach for folding multistage interferometric devices such that waveguide density reaches its theoretical limit. The …
S Bidnyk, K Yadav, A Balakrishnan - Integrated Optics: Devices …, 2022 - spiedigitallibrary.org
Planar lightwave circuits (PLCs) provide economical, high-capacity solutions for systems using wavelength-division multiplexing. To accommodate a higher volume of optical integration in a smaller footprint, PLC technology has trended towards higher refractive index contrast …
S Bidnyk, K Yadav, A Balakrishnan - EPJ Web of Conferences, 2022 - epj-conferences.org
Further increase in the density of integrated planar lightwave circuits (PLCs) depends on the introduction of compact guided-wave layout solutions. We describe a novel architecture for coiling multistage interferometric devices with densities reaching the theoretical limit. Our …
(Enablence referenced)
SK Ibrahim, R McCue, JA O’Dowd, V Bessler… - Optical Fiber …, 2020 - opg.optica.org
We propose and demonstrate using photonic integrated circuit (PIC) technology, a tunable-laser based FBG interrogator suitable for low noise seismic applications sampling at kHz rates and delivering <120dB re(nm2/Hz) noise floor over a 500Hz bandwidth.