Search Results - "Mathai, Sagi"
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Ensembles of indium phosphide nanowires: physical properties and functional devices integrated on non-single crystal platforms
Published in Applied physics. A, Materials science & processing (01-06-2009)“…A new route to grow an ensemble of indium phosphide single-crystal semiconductor nanowires is described. Unlike conventional epitaxial growth of single-crystal…”
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A 50 Gb/s PAM-4 VCSEL Transmitter With 2.5-Tap Nonlinear Equalization in 65-nm CMOS
Published in IEEE photonics technology letters (01-07-2018)“…Utilizing four-level pulse-amplitude modulation (PAM-4) with vertical-cavity surface emitting lasers (VCSELs) is challenging due to device nonlinearity and…”
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Adjoint Optimization of Efficient CMOS-Compatible Si-SiN Vertical Grating Couplers for DWDM Applications
Published in Journal of lightwave technology (01-07-2020)“…Data communication in silicon photonic interconnects requires efficient and broadband on/off-chip coupling components. Recently, perfectly vertically-emitting…”
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Universal Photonic Interconnect for Data Centers
Published in Journal of lightwave technology (15-01-2018)“…Tb/s class, copackaged coarse wavelength division multiplexing optical engine based on four wavelength vertical cavity surface emitting lasers (VCSELs) around…”
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1060 nm Single-Mode VCSEL and Single-Mode Fiber Links for Long-Reach Optical Interconnects
Published in Journal of lightwave technology (01-07-2019)“…We investigate the use of a 1060 nm single-mode vertical-cavity surface-emitting laser (VCSEL) and a 1060 nm single-mode fiber as a competitive single-mode…”
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4×112 Gbps/Fiber CWDM VCSEL Arrays for Co-Packaged Interconnects
Published in Journal of lightwave technology (01-07-2020)“…A 4×112 Gbps/fiber VCSEL link was demonstrated using a co-packaged coarse wavelength division multiplexing (CWDM) optical module. Vertical-cavity…”
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50 Gb/s PAM4 Modulated 1065 nm Single-Mode VCSELs Using SMF-28 for Mega-Data Centers
Published in IEEE photonics technology letters (01-07-2017)“…Optical interconnections for mega-data centers will require longer link lengths than can be readily provided with today's low-cost vertical-cavity…”
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Noise Performance of Single-Mode VCSELs: Dependence on Current Confinement and Optical Loss
Published in IEEE journal of quantum electronics (01-10-2020)“…We investigate the intensity and phase noise properties of GaAs-based 1060 nm oxide-confined single-mode vertical-cavity surface-emitting lasers (VCSELs) and…”
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Free-space optical links for board-to-board interconnects
Published in Applied physics. A, Materials science & processing (01-06-2009)“…We describe two free-space optical links for multichannel optical interconnects. The targeted aggregate data rate is 240 Gb/s. In one implementation we use a…”
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Low Cost, Injection Molded 120 Gbps Optical Backplane
Published in Journal of lightwave technology (15-02-2012)“…A low cost, blind mate , injection molded optical backplane is presented. The optical backplane consists of a 12 channel optical broadcast bus operating at 10…”
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A 14-ps full width at half maximum high-speed photoconductor fabricated with intersecting InP nanowires on an amorphous surface
Published in Applied physics. A, Materials science & processing (01-04-2008)“…We demonstrate a high-speed polarization-insensitive photoconductor based on intersecting InP nanowires synthesized between a pair of hydrogenated silicon…”
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A high-speed optical multi-drop bus for computer interconnections
Published in Applied physics. A, Materials science & processing (01-06-2009)“…Buses have historically provided a flexible communications structure in computer systems. However, signal integrity constraints of high-speed electronics have…”
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Robust free space board-to-board optical interconnect with closed loop MEMS tracking
Published in Applied physics. A, Materials science & processing (01-06-2009)“…We present a free-space optical interconnect system capable of dynamic closed-loop optical alignment using a microlens scanner with a proportional integral and…”
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Implementing Optical Pass-Through Links via Photonics Crossbar Chip for HPC Applications
Published in 2023 International Conference on Photonics in Switching and Computing (PSC) (26-09-2023)“…We propose an ultra-compact silicon photonics (SiPh) crossbar chip for implementing optical pass-through (OPT) links for high performance computing…”
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Conference Proceeding -
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Free-space optical links for board-to-board interconnects: Photonic Interconnect
Published in Applied physics. A, Materials science & processing (2009)Get full text
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Integrated receiver architectures for board-to-board free-space optical interconnects
Published in Applied physics. A, Materials science & processing (01-06-2009)“…In many computer and server communications copper cables and wires are currently being used for data transmission and interconnects. However, due to…”
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A high-speed optical multi-drop bus for computer interconnections: Photonic Interconnect
Published in Applied physics. A, Materials science & processing (2009)Get full text
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