David V. Plant
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Generative Reconstruction of Multimodal Cardiac Waveforms From a Single Vibrational Cardiography Sensor Open
Multimodal cardiac monitoring systems require multiple sensors. This complexity renders them impractical in scenarios requiring continuous monitoring in everyday life. To overcome this limitation, we demonstrate a generative modeling frame…
View article: Net 3.2 Tbps 225 Gbaud PAM4 O-Band IM/DD 2 km Transmission Using FR8 and DR8 with a CMOS 3 nm SerDes and TFLN Modulators
Net 3.2 Tbps 225 Gbaud PAM4 O-Band IM/DD 2 km Transmission Using FR8 and DR8 with a CMOS 3 nm SerDes and TFLN Modulators Open
We report the first 3.2 and 4.2 Tbps (8 x 225Gbaud PAM4-8), IM/DD transmission system using FR8 and DR8 configurations with TFLN modulators driven by a 3nm SerDes under the HD-FEC threshold.
Generation of Seismocardiography Heartbeats Using a Wasserstein Generative Adversarial Network With Feature Control Open
Goal: Seismocardiography (SCG) offers critical insights into cardiac performance, but its analysis often faces challenges due to the limited availability of data. This study aims to generate synthetic SCG heartbeats which can augment exist…
12.1 terabit/second data center interconnects using O-band coherent transmission with QD-MLL frequency combs Open
Most current Data Center Interconnects (DCI) use intensity modulation direct detection (IMDD) configurations due to their low complexity and cost. However, significant scaling challenges allow coherent solutions to become contenders in the…
View article: Experimental demonstration of quantum encryption in phase space with displacement operator in coherent optical communications
Experimental demonstration of quantum encryption in phase space with displacement operator in coherent optical communications Open
We provide experimental validation of quantum encryption in phase space using displacement operators in coherent states (DOCS) in a conventional coherent optical communication system. The proposed encryption technique is based on displacin…
A Wavelet-Based Approach for Motion Artifact Reduction in Ambulatory Seismocardiography Open
Wearable sensing has become a vital approach to cardiac health monitoring, and seismocardiography (SCG) is emerging as a promising technology in this field. However, the applicability of SCG is hindered by motion artifacts, including those…
View article: Performance of quantum-dash mode-locked lasers (QD-MLLDs) for high-capacity coherent optical communications
Performance of quantum-dash mode-locked lasers (QD-MLLDs) for high-capacity coherent optical communications Open
We investigate the capabilities and limitations of quantum-dash mode-locked lasers (QD-MLLDs) as optical frequency comb sources in coherent optical communication systems. We demonstrate that QD-MLLDs are on par with conventional single-wav…
Temperature-insensitive and low-loss single-mode silicon waveguide crossing covering all optical communication bands enabled by curved anisotropic metamaterial Open
We propose two designs of low-loss and temperature-insensitive single-mode waveguide crossing on silicon-on-insulator (SOI) platform with 415-nm operation bandwidth covering all optical communication bands. Both designs are enabled by subw…
View article: Next-Generation O-Band Coherent Transmission for 1.6 Tbps 10 km Intra-Datacenter Interconnects
Next-Generation O-Band Coherent Transmission for 1.6 Tbps 10 km Intra-Datacenter Interconnects Open
With the exponential growth of internet traffic, driven by the increasing number of connected devices and data-intensive applications, there is an urgent need to address the surging demand for higher capacity in datacenter communications. …
View article: TFLN MZMs and Next-Gen DACs: Enabling Beyond 400 Gbps IMDD O-Band and C-Band Transmission
TFLN MZMs and Next-Gen DACs: Enabling Beyond 400 Gbps IMDD O-Band and C-Band Transmission Open
As internet traffic demand continues to increase, high-speed electro-optic modulators and high-bandwidth RF components are needed to stretch intensity modulation direct detection (IMDD) systems to their limits. In this study, we experiment…
Efficient coupling between free electrons and the supermode of a silicon slot waveguide Open
Laser light can modulate the kinetic energy spectrum of free electrons and induce extremely high acceleration gradients, which are instrumental to electron microscopy and electron acceleration, respectively. We present a design scheme for …
Editorial Introduction to the OFC 2022 Special Issue Open
Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.
View article: Quantum Encryption in Phase Space for Coherent Optical Communications
Quantum Encryption in Phase Space for Coherent Optical Communications Open
Optical layer attacks on communication networks are one of the weakest reinforced areas of the network, allowing attackers to overcome security when proper safeguards are not put into place. Here, we present our solution or Quantum Encrypt…
View article: Beyond 300 Gbps Short-Reach Links Using TFLN MZMs With 500 mV<sub>pp</sub> and Linear Equalization
Beyond 300 Gbps Short-Reach Links Using TFLN MZMs With 500 mV<sub>pp</sub> and Linear Equalization Open
Driven by the growing data demand and the stringent power constraints on short-reach datacenter interconnects (DCI), this work compares the driver-less (RF driver-free) transmission performance of thin-film lithium niobate (TFLN) Mach-Zehn…
Broadband Polarization-Insensitive Thermo-Optic Switches on a 220-nm Silicon-on-Insulator Platform Open
We demonstrate a polarization-insensitive 2 × 2 thermo-optic switch on a 220-nm silicon-on-insulator platform. This device is based on a balanced Mach-Zehnder interferometer with arms consisting of square-cross-section waveguides. In simul…
Solar energy harvesting mechanisms of the frustules of Nitzschia filiformis diatoms Open
Diatoms are major contributors to the global oxygen and carbon cycles. Their ability to thrive on photosynthesis, even in low and intermittent lighting conditions, is attributed to the optical response of the frustule, among other factors.…
View article: Electrically reconfigurable waveguide Bragg grating filters
Electrically reconfigurable waveguide Bragg grating filters Open
We propose and demonstrate an electrically reconfigurable waveguide Bragg grating filters in silicon-on-insulator using a multiple-contact heater element. There are six electrical pads connected to the heater element in an equidistant mann…
View article: Unamplified Coherent Transmission of Net 500 Gbps/Polarization/λ for Intra-Datacenter Interconnects
Unamplified Coherent Transmission of Net 500 Gbps/Polarization/λ for Intra-Datacenter Interconnects Open
To keep up with the growing data traffic demand, spectrally efficient coherent systems are envisioned to replace intensity modulation direct detection (IMDD) systems in short-reach intra-datacenter interconnects (DCI). In this work, we cha…
View article: Net 67 Gbps Transmission Over 2 km at Sub 1 Vpp Using Packaged Silicon Photonic MZM
Net 67 Gbps Transmission Over 2 km at Sub 1 Vpp Using Packaged Silicon Photonic MZM Open
In this work, IBM, CMC, AMF, and McGill University work together to verify a simplified packaging scheme for Si-photonic devices based on incorporating IBM’s polymer photonic interface into AMF’s Si-photonic fabrication process flow. The p…
View article: Design, analysis, and characterization of a compact silicon photonic modulator with meandered phase shifters
Design, analysis, and characterization of a compact silicon photonic modulator with meandered phase shifters Open
We present a C-band Mach-Zehnder modulator with meandered phase shifters and a compact footprint of 432 × 260 on the silicon-on-insulator platform. Electrode, p-n junction, and optical transit time are considered when performing the electr…
View article: Silicon Photonic Single-Segment IQ Modulator for Net 1 Tbps/λ Transmission Using All-Electronic Equalization
Silicon Photonic Single-Segment IQ Modulator for Net 1 Tbps/λ Transmission Using All-Electronic Equalization Open
There is a continuous need to scale optical communication networks' capacity to cope with the exponential growth of data traffic. Silicon photonics (SiP) retains significant potential as a platform for optical transceivers due to its CMOS …
View article: Standalone, CMOS-based Faraday rotation in a silicon photonic waveguide
Standalone, CMOS-based Faraday rotation in a silicon photonic waveguide Open
Nonreciprocity is a fundamental requirement of signal isolation in optical communication systems. However, on chip isolator designs require either post-processing steps or external magnetic biasing, which are impractical for commercial app…
View article: Broadly tunable and ultra-highly selective detection of radio frequency signals enabled by a silicon photonic chip
Broadly tunable and ultra-highly selective detection of radio frequency signals enabled by a silicon photonic chip Open
Precise and agile detection of radio frequency (RF) signals over an ultra-wide frequency range is a key functionality in modern communication, radar, and surveillance systems, as well as for radio astronomy and laboratory testing. However,…