Search Results - "De, Souvaraj"

Design and Simulation of Thermo-Optic Phase Shifters with Low Thermal Crosstalk for Dense Photonic Integration by De, Souvaraj, Das, Ranjan, Varshney, Ravendra K., Schneider, Thomas

“…We investigate and demonstrate the thermal crosstalk problem in integrated photonic circuits with metal and silicon doped heaters. Further, we illustrate that…”
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Analysis of Non-Idealities in the Generation of Reconfigurable Sinc-Shaped Optical Nyquist Pulses by Souvaraj De, Misra, Arijit, Das, Ranjan, Kleine-Ostmann, Thomas, Schneider, Thomas

“…Optical sinc-shaped Nyquist pulses are widely used in microwave photonics, optical signal processing, and optical telecommunications due to their numerous…”
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Analysis of Bandwidth Reduction and Resolution Improvement for Photonics-Assisted ADC by Mandalawi, Younus, Meier, Janosch, Singh, Karanveer, Hosni, Mohamed I., De, Souvaraj, Schneider, Thomas

“…To keep pace with increasing data rates in the worldwide communication networks and the increased bandwidths requirements in measurement devices, sensors,…”
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CMOS-Compatible Photonic Phase Shifters With Extremely Low Thermal Crosstalk Performance by De, Souvaraj, Das, Ranjan, Varshney, Ravendra K., Schneider, Thomas

“…We report a thorough analysis of the thermal crosstalk issue for silicon photonic circuits using metal and doped silicon heaters for the two waveguide…”
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Real-time reconfigurable on-chip photonic frequency decoder by Singh, Karanveer, Das, Ranjan, Venugopalan, Abhinand, De, Souvaraj, Hosni, Mohamed I., Zhou, Linjie, Schneider, Thomas

“…A group-delay-unit-based integrated silicon photonic integrated circuit (PIC) is employed as a reconfigurable analog radio frequency decoder, which provides a…”
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Roll-Off Factor Analysis of Optical Nyquist Pulses Generated by an On-Chip Mach-Zehnder Modulator by De, Souvaraj, Singh, Karanveer, Kress, Christian, Das, Ranjan, Schwabe, Tobias, PreuBler, Stefan, Kleine-Ostmann, Thomas, Scheytt, J. Christoph, Schneider, Thomas

“…Optical sinc-shaped Nyquist pulses are promising in photonic signal processing and high-speed optical data transmission due to their orthogonality and…”
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Crosstalk Immune High-Speed Photonic Transmitter-Receiver System by De, Souvaraj, Das, Ranjan, Singh, Karanveer, Mandalawi, Younus, Kleine-Ostmann, Thomas, Schneider, Thomas

“…Optical communication systems show promising results in terms of data transmission in the microwave and terahertz (THz) frequency range. Consequently, photonic…”
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Amorphous Silicon Based Crosstalk Resilient Photonic Phase Shifters by De, Souvaraj, Das, Ranjan, Singh, Karanveer, Mandalawi, Younus, Kleine-Ostmann, Thomas, Schneider, Thomas

“…In photonic integrated circuits (PICs), photonic phase shifters (PPS) [1] have numerous applications in sensing, switching, and advanced communication in…”
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Characterization of non-idealities in optical Nyquist pulses for THz signal sampling metrology by De, Souvaraj, Das, Ranjan, Kleine-Ostmann, Thomas, Schneider, Thomas

“…Optical sinc-shaped Nyquist pulses can be utilized for high-speed communication with minimal error as it enables orthogonality and rectangular shape in the…”
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Segmented Mach-Zehnder Modulator for Orthogonal Sampling Based High Bandwidth THz Transmitters by Mandalawi, Younus, Hosni, Mohamed I., Singh, Karanveer, Meier, Janosch, De, Souvaraj, Das, Ranjan, Schneider, Thomas

“…We present the concept for a compact, integrated, photonics-assisted digital-to-analog converter and optical modulator in one single device. The system takes…”
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Crosstalk resistant integrated Uni-Traveling Carrier Photodetector by De, Souvaraj, Das, Ranjan, Singh, Karanveer, Mandalawi, Younus, Baidoo, Evans, Kleine-Ostmann, Thomas, Schneider, Thomas

“…Uni-traveling carrier (UTC) photodetectors are pivotal as photomixers in THz transmission systems owing to their high-speed and output power in the THz range…”
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Thermal crosstalk mitigation in a dual-drive Mach-Zehnder Modulator by De, Souvaraj, Das, Ranjan, Singh, Karanveer, Mandalawi, Younus, Kleine-Ostmann, Thomas, Schneider, Thomas

“…Dual-drive, PIN-diode based Mach-Zehnder modulators are pivotal for power-efficient and cost-effective CMOS compatible optical transceivers with small…”
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Study of thermal crosstalk in Avalanche Photodetectors in THz domain by De, Souvaraj, Das, Ranjan, Singh, Karanveer, Mandalawi, Younus, Kleine-Ostmann, Thomas, Schneider, Thomas

“…The Si-Ge avalanche photodetectors coupled with a thin multiplication region can be used for a CMOS compatible high speed optical receiver designs as it has a…”
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Thermal Crosstalk Alleviated Silicon Microring Switches by Heim, Rebecca Cubas, De, Souvaraj, Das, Ranjan, Singh, Karanveer, Kleine-Ostmann, Thomas, Schneider, Thomas

“…In optical communication networks, integrated silicon photonics microring resonators play an increasingly important role in switching and sensing. The CMOS…”
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Reconfigurable RF Frequency Sniffer Using Tunable Micro Ring Resonator by Singh, Karanveer, Das, Ranjan, Misra, Arijit, De, Souvaraj, Hosni, Mohamed I., Venugopalan, Abhinand, Zhou, Linjie, Schneider, Thomas

“…A power-efficient, silicon photonic-based sniffer chip with tunable cascaded ring resonators is used for real-time spectrum sensing of millimeter-wave carrier…”
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Photonics Assisted Analog-to-Digital Conversion of Wide-Bandwidth Signals by Orthogonal Sampling by Mandalawi, Younus, Meier, Janosch, Hosni, Mohamed I., Singh, Karanveer, De, Souvaraj, Baidoo, Evans, Schneider, Thomas

“…Photonics-assisted analog-to-digital converters could be a solution to the bandwidth limitations faced by electronic analog-to-digital converters (EADCs) in…”
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Effect of Thermal Crosstalk on Travelling-wave Mach-Zehnder Modulator by De, Souvaraj, Das, Ranjan, Kleine-Ostmann, Thomas, Schneider, Thomas

“…High-speed PN junction based travelling-wave Mach-Zehnder modulator (TW-MZMs) [1] is a pivotal component in silicon (Si) photonic transceiver for optical…”
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