Scaling up silicon photonic-based accelerators: Challenges and opportunities

MA Al-Qadasi, L Chrostowski, BJ Shastri, S Shekhar - APL Photonics, 2022 - pubs.aip.org
Digital accelerators in the latest generation of complementary metal–oxide–semiconductor
processes support, multiply, and accumulate (MAC) operations at energy efficiencies …

A survey on silicon photonics for deep learning

FP Sunny, E Taheri, M Nikdast, S Pasricha - ACM Journal of Emerging …, 2021 - dl.acm.org
Deep learning has led to unprecedented successes in solving some very difficult problems
in domains such as computer vision, natural language processing, and general pattern …

[HTML][HTML] Photonic and optoelectronic neuromorphic computing

L El Srouji, A Krishnan, R Ravichandran, Y Lee, M On… - APL Photonics, 2022 - pubs.aip.org
Recent advances in neuromorphic computing have established a computational framework
that removes the processor-memory bottleneck evident in traditional von Neumann …

Transient tap couplers for wafer-level photonic testing based on optical phase change materials

Y Zhang, Q Zhang, C Ríos, MY Shalaginov… - ACS …, 2021 - ACS Publications
Wafer-level testing is crucial for process monitoring, post-fabrication trimming, and
understanding system dynamics in photonic integrated circuits (PICs). Waveguide tap …

First-principles investigation of amorphous Ge-Sb-Se-Te optical phase-change materials

H Zhang, X Wang, W Zhang - Optical Materials Express, 2022 - opg.optica.org
Chalcogenide phase-change materials (PCMs) are promising candidates for nonvolatile
memory and neuromorphic computing devices. The recently developed …

Unique prospects of phase change material Sb2Se3 for ultra-compact reconfigurable nanophotonic devices

W Jia, R Menon, B Sensale-Rodriguez - Optical Materials Express, 2021 - opg.optica.org
In this work, we explore inverse designed reconfigurable digital metamaterial structures
based on phase change material Sb_2Se_3 for efficient and compact integrated …

Parallel optical coherent dot-product architecture for large-scale matrix multiplication with compatibility for diverse phase shifters

S Xu, J Wang, S Yi, X Zhao, B Liu, J Shao, W Zou - Optics Express, 2022 - opg.optica.org
Photonics physically promises high-speed and low-consumption computing of matrix
multiplication. Nevertheless, conventional approaches are challenging to achieve large …

Numerical investigation of reconfigurable photonic crystal switch based on phase change nanomaterial

R Rajasekar, GT Raja… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this article, the novel reconfigurable all-optical switches are designed with ultracompact
size, fast response time and high extinction ratio. The hybrid silicon (Si) and phase change …

Design of nonvolatile and efficient Polarization-Rotating optical switch with phase change material

D Zhu, X Wang, J Li, H Ye, Z Yu, Y Liu - Optics & Laser Technology, 2022 - Elsevier
Abstract Chalcogenide compound Ge 2 Sb 2 Se 4 Te 1 (GSST), an emerging phase change
material, features drastic optical property contrast between the amorphous and crystalline …

A photonic crystal waveguide intersection using phase change material for optical neuromorphic synapses

AHA Nohoji, P Keshavarzi, M Danaie - Optical Materials, 2024 - Elsevier
This paper introduces an innovative photonic crystal device that amalgamates a low cross-
talk GaAs waveguide intersection with a ring employing phase change material (PCM) for …