Anu Agarwal
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View article: Graded index couplers for next generation chip-to-chip and fiber-to-chip photonic packaging
Graded index couplers for next generation chip-to-chip and fiber-to-chip photonic packaging Open
The transition towards designs which co-package electronic and photonic die together in data center switch packages has created a scaling path to Petabyte per second (Pbps) input/output (I/O) in such systems. In a co-packaged design, the s…
View article: Graded Index Couplers for Next Generation Chip-to-Chip and Fiber-to-Chip Photonic Packaging
Graded Index Couplers for Next Generation Chip-to-Chip and Fiber-to-Chip Photonic Packaging Open
The transition towards designs which co-package electronic and photonic die together in data center switch packages has created a scaling path to Petabyte per second (Pbps) input/output (I/O) in such systems. In a co-packaged design, the s…
View article: Low Loss Chip‐to‐Chip Couplers for High‐Density Co‐Packaged Optics
Low Loss Chip‐to‐Chip Couplers for High‐Density Co‐Packaged Optics Open
An experimentally demonstrated, vertical chip‐to‐chip evanescent coupler between silicon nitride (SiN) and silicon (Si) is presented with the coupler loss measured to be 0.39 1.06 dB at 1550 nm with a 1‐dB bandwidth of 160 nm extending acr…
View article: Solution-derived Ge–Sb–Se–Te phase-change chalcogenide films
Solution-derived Ge–Sb–Se–Te phase-change chalcogenide films Open
View article: Low Loss Chip-to-Chip Couplers for High Density Co-Packaged Optics
Low Loss Chip-to-Chip Couplers for High Density Co-Packaged Optics Open
An experimentally demonstrated, vertical chip-to-chip evanescent coupler between silicon nitride (Si₃N₄) and silicon (Si) is presented with the coupler loss measured to be 0.39 ± 1.06 dB at 1550 nm with a 1-dB bandwidth of 160 nm extending…
View article: Low Loss Chip-to-Chip Couplers for High Density Co-Packaged Optics
Low Loss Chip-to-Chip Couplers for High Density Co-Packaged Optics Open
An experimentally demonstrated, vertical chip-to-chip evanescent coupler between silicon nitride (Si₃N₄) and silicon (Si) is presented with the coupler loss measured to be 0.39 ± 1.06 dB at 1550 nm with a 1-dB bandwidth of 160 nm extending…
View article: Skilling for and Acculturation to Integrated Photonics Industry Using VR Simulations, Game-Based Learning, and Augmented Reality Games
Skilling for and Acculturation to Integrated Photonics Industry Using VR Simulations, Game-Based Learning, and Augmented Reality Games Open
The integrated photonics and fiber optics industries are rapidly expanding and innovating, respectively, to enable transformative new integrated circuit, AI, datacom, wireless, sensing and imaging systems for cloud and mobile computing, au…
View article: Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms
Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms Open
The cover picture referring to article number 2300241 by Myungkoo Kang, Tian Gu, and co-workers showcases photochemically induced micro-gratings for a hybrid diffractive–refractive lens. These lenses, composed of diffractive and refractive…
View article: Highly-efficient fiber to Si-waveguide free-form coupler for foundry-scale silicon photonics
Highly-efficient fiber to Si-waveguide free-form coupler for foundry-scale silicon photonics Open
As silicon photonics transitions from research to commercial deployment, packaging solutions that efficiently couple light into highly-compact and functional sub-micron silicon waveguides are imperative but remain challenging. The 220 nm s…
View article: pyCapsid: identifying dominant dynamics and quasi-rigid mechanical units in protein shells
pyCapsid: identifying dominant dynamics and quasi-rigid mechanical units in protein shells Open
Summary pyCapsid is a Python package developed to facilitate the characterization of the dynamics and quasi-rigid mechanical units of protein shells and other protein complexes. The package was developed in response to the rapid increase o…
View article: Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms
Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms Open
Patterns composed of micron‐sized surface structures can abruptly change the properties of an optical wave front, including its phase, amplitude, polarization, and dispersion. Optical components featuring surface micro‐gratings not only po…
View article: The Massachusetts LEAP network: building a template for a hands-on advanced manufacturing hub in integrated photonics
The Massachusetts LEAP network: building a template for a hands-on advanced manufacturing hub in integrated photonics Open
MassTech Collaborative has helped to make the Commonwealth of Massachusetts a beacon for advanced manufacturing. In partnership with the AIM Photonics manufacturing institute, MassTech has launched five Laboratories for Education and Appli…
View article: Beyond ray optics: building photonics intuition for waveguide modes using digital simulations and games
Beyond ray optics: building photonics intuition for waveguide modes using digital simulations and games Open
Engineering students in optics and photonics need robust intuitions for the micron-scale behavior of light in dielectric materials. Educators often use textbook images of ray diagrams and static electric field profiles to introduce the beh…
View article: Wide field-of-view metalens: a tutorial
Wide field-of-view metalens: a tutorial Open
Wide field-of-view (FOV) optics are essential components in many optical systems, with applications spanning imaging, display, sensing, and beam steering. Conventional refractive wide FOV optics often involve multiple stacked lenses, resul…
View article: 6-channel CMOS-based instrument for optical absorption spectroscopy and chemical identification
6-channel CMOS-based instrument for optical absorption spectroscopy and chemical identification Open
A multichannel portable instrument for on-chip optical absorption spectroscopy is presented. The system can house photonic chips having up to 6 sensing sites operating in parallel, allowing real-time simultaneous detection of multiple chem…
View article: Related Articles from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy
Related Articles from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy Open
Related Articles from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy
View article: Data from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy
Data from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy Open
Parity in women is associated with reduced lifetime risk of breast cancer, and hormones of pregnancy [estrogen (E), progesterone (P), human chorionic gonadotropin (hCG)] are implicated. Parity also reduces mammary cancer risk in carcinogen…
View article: Data from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy
Data from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy Open
Parity in women is associated with reduced lifetime risk of breast cancer, and hormones of pregnancy [estrogen (E), progesterone (P), human chorionic gonadotropin (hCG)] are implicated. Parity also reduces mammary cancer risk in carcinogen…
View article: Related Articles from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy
Related Articles from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy Open
Related Articles from A Proposed Unified Mechanism for the Reduction of Human Breast Cancer Risk by the Hormones of Pregnancy
View article: pyCapsid: Identifying dominant dynamics and quasi-rigid mechanical units in protein shells
pyCapsid: Identifying dominant dynamics and quasi-rigid mechanical units in protein shells Open
Structured Abstract Summary pyCapsid is a Python package developed to facilitate the characterization of the dynamics and mechanical units of protein shells and other protein complexes. The package was developed in response to the rapid in…
View article: Methods and apparatus for mid-infrared sensing
Methods and apparatus for mid-infrared sensing Open
A chip-scale, air-clad semiconductor pedestal waveguide can be used as a mid-infrared (mid-IR) sensor capable of in situ monitoring of organic solvents and other analytes. The sensor uses evanescent coupling from a silicon or germanium wav…
View article: High density vertical optical interconnects for passive assembly
High density vertical optical interconnects for passive assembly Open
The co-packaging of optics and electronics provides a potential path forward to achieving beyond 50 Tbps top of rack switch packages. In a co-packaged design, the scaling of bandwidth, cost, and energy is governed by the number of optical …
View article: Online learning games and simulations for photonic integrated circuit (PIC) sensor design and operation
Online learning games and simulations for photonic integrated circuit (PIC) sensor design and operation Open
In this paper, we describe Illuminator, a digital, online game that offers students the opportunity to learn about the design and operation of sensors that employ integrated photonics. The game is level-based, providing students foundation…
View article: Issue Information
Issue Information Open
Liver ultrasound in cirrhosis is inadequate for hepatocellular carcinoma surveillance compared to magnetic resonance imaging 119 Dosing, effi cacy and safety of lenvatinb in the real-world treatment of hepatocellular carcinoma: Results fro…
View article: C-band Operating Plasmonic Sensor with High Q-factor/Figure of Merit (FOM) Based on Silicon Nano-Ring
C-band Operating Plasmonic Sensor with High Q-factor/Figure of Merit (FOM) Based on Silicon Nano-Ring Open
In this paper, we take advantage of the high refractive index property of silicon to design a practical and sensitive plasmonic sensor on a Photonic Integrated Circuit (PIC) platform. It has been shown that by employing a concentric silico…
View article: Cellular Leiomyoma versus Endometrial Stromal Sarcoma
Cellular Leiomyoma versus Endometrial Stromal Sarcoma Open
Endometrial stromal sarcomas (ESSs) account for approximately 0.2% of all uterine malignancies. Cellular leiomyoma (CL) often simulates low-grade ESS due to similar cytology. We report the case of a 34-year-old female with a mass per abdom…
View article: High Density Vertical Optical Interconnects for Passive Assembly
High Density Vertical Optical Interconnects for Passive Assembly Open
The co-packaging of optics and electronics provides a potential path forward to achieving beyond 50 Tbps top of rack switch packages. In a co-packaged design, the scaling of bandwidth, cost, and energy is governed by the number of optical …
View article: Microresonator frequency comb based high-speed transmission of intensity modulated direct detection data
Microresonator frequency comb based high-speed transmission of intensity modulated direct detection data Open
Globally, the long-haul transmission of ultra-high bandwidth data is enabled through coherent communications. Driven by the rapid pace of growth in interconnectivity over the last decade, long-haul data transmission has reached capacities …
View article: Reconfigurable Parfocal Zoom Metalens
Reconfigurable Parfocal Zoom Metalens Open
Zoom lenses with variable focal lengths and magnification ratios are essential for many optical imaging applications. Conventional zoom lenses are composed of multiple refractive optics, and optical zoom is attained via translational motio…
View article: Microresonator Frequency Comb Based High-Speed Transmission of Intensity Modulated Direct Detection Data
Microresonator Frequency Comb Based High-Speed Transmission of Intensity Modulated Direct Detection Data Open
Globally, the long-haul transmission of ultra-high bandwidth data is enabled through coherent communications. Driven by the rapid pace of growth in interconnectivity over the last decade, long-haul data transmission has reached capacities …