Co‐packaged datacenter optics: Opportunities and challenges

C Minkenberg, R Krishnaswamy, A Zilkie… - IET …, 2021 - Wiley Online Library
Abstract High‐capacity, high‐density, power‐, and cost‐efficient optical links are
undoubtedly of critical importance for datacenter infrastructure. However, the optics roadmap …

[HTML][HTML] Phototunable chip-scale topological photonics: 160 Gbps waveguide and demultiplexer for THz 6G communication

A Kumar, M Gupta, P Pitchappa, N Wang… - Nature …, 2022 - nature.com
The revolutionary 5G cellular systems represent a breakthrough in the communication
network design to provide a single platform for enabling enhanced broadband …

Terahertz topological photonic integrated circuits for 6G and beyond: A Perspective

A Kumar, M Gupta, P Pitchappa, N Wang… - Journal of Applied …, 2022 - pubs.aip.org
The development of terahertz integrated circuits is vital for realizing sixth-generation (6G)
wireless communication, high-speed on-chip interconnects, high-resolution imaging, on …

Active Ultrahigh‐Q (0.2 × 106) THz Topological Cavities on a Chip

A Kumar, M Gupta, P Pitchappa, TC Tan… - Advanced …, 2022 - Wiley Online Library
Rapid scaling of semiconductor devices has led to an increase in the number of processor
cores and integrated functionalities onto a single chip to support the growing demands of …

Ring resonator modulators in silicon for interchip photonic links

G Li, AV Krishnamoorthy, I Shubin, J Yao… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
Silicon photonics is the most promising pathway to achieve> 10 Tb/s off-chip I/O bandwidth
required by next-generation high-performance computing and switching systems. Ring …

GeSn/SiGeSn heterostructure and multi quantum well lasers

D Stange, N von den Driesch, T Zabel… - ACS …, 2018 - ACS Publications
GeSn and SiGeSn are promising materials for the fabrication of a group IV laser source
offering a number of design options from bulk to heterostructures and quantum wells. Here …

Silicon photonic 2.5 D multi-chip module transceiver for high-performance data centers

NC Abrams, Q Cheng, M Glick, M Jezzini… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
Widespread adoption of silicon photonics into datacenters requires that the integration of the
driving electronics with the photonics be an essential component of transceiver …

Power-efficient III-V/Silicon external cavity DBR lasers

AJ Zilkie, P Seddighian, BJ Bijlani, W Qian, DC Lee… - Optics express, 2012 - opg.optica.org
We report the design and characterization of external-cavity DBR lasers built with a III-V-
semiconductor reflective-SOA with spot-size converter edge-coupled to SOI waveguides …

Photonic crystal lasers using wavelength-scale embedded active region

S Matsuo, T Sato, K Takeda, A Shinya… - Journal of Physics D …, 2013 - iopscience.iop.org
Lasers with ultra-low operating energy are desired for use in chip-to-chip and on-chip optical
interconnects. If we are to reduce the operating energy, we must reduce the active volume …

From chip to cloud: Optical interconnects in engineered systems

AV Krishnamoorthy, HD Thacker… - Journal of Lightwave …, 2017 - opg.optica.org
The high-performance server compute landscape is changing. The traditional model of
building general-purpose enterprise compute boxes that end-users can configure with …