Search Results - "Lee, Choonsup"

THz Diode Technology: Status, Prospects, and Applications by Mehdi, Imran, Siles, Jose V., Lee, Choonsup, Schlecht, Erich

“…Found in many terahertz (THz) and submillimeter-wave systems, GaAs Schottky diodes continue to be one of the most useful THz devices. As a low-parasitic device…”
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In-Phase Power-Combined Frequency Triplers at 300 GHz by Maestrini, A., Ward, J.S., Tripon-Canseliet, C., Gill, J.J., Choonsup Lee, Javadi, H., Chattopadhyay, G., Mehdi, I.

“…We report on the design, fabrication and characterization of a 300 GHz Schottky-diode frequency tripler made of two mirror-image integrated circuits that are…”
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A Silicon Micromachined Eight-Pixel Transceiver Array for Submillimeter-Wave Radar by Reck, Theodore, Jung-Kubiak, Cecile, Siles, Jose V., Lee, Choonsup, Lin, Robert, Chattopadhyay, Goutam, Mehdi, Imran, Cooper, Ken

“…An eight-pixel transceiver array for operation in a 340 GHz imaging radar is presented. Silicon micromachining is applied to fabricate the submillimeter-wave…”
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A High-Power 105-120 GHz Broadband On-Chip Power-Combined Frequency Tripler by Siles, Jose V., Choonsup Lee, Lin, Robert, Chattopadhyay, Goutam, Reck, Theodore, Jung-Kubiak, Cecile, Mehdi, Imran, Cooper, Ken B.

“…We report on the design, fabrication and characterization of a high-power and broadband 105-120 GHz Schottky diode frequency tripler based on a novel on-chip…”
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A Frequency-Multiplied Source With More Than 1 mW of Power Across the 840-900-GHz Band by Maestrini, A, Ward, J S, Gill, J J, Choonsup Lee, Thomas, B, Lin, R H, Chattopadhyay, G, Mehdi, I

“…We report on the design, fabrication, and characterization of an 840-900-GHz frequency multiplier chain that delivers more than 1 mW across the band at room…”
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Development of Silicon Micromachined Microlens Antennas at 1.9 THz by Alonso-delPino, Maria, Reck, Theodore, Jung-Kubiak, Cecile, Choonsup Lee, Chattopadhyay, Goutam

“…The development at 1.9 THz of a microlens antenna consisting of a leaky-wave waveguide feeding and a silicon microlens is presented in this paper. The antenna…”
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A Multistep DRIE Process for Complex Terahertz Waveguide Components by Jung-Kubiak, Cecile, Reck, Theodore J., Siles, Jose V., Lin, Robert, Choonsup Lee, Gill, John, Cooper, Ken, Mehdi, Imran, Chattopadhyay, Goutam

“…A silicon deep reactive-ion etching (DRIE) process has been developed, using multiple SiO 2 masks to enable multidepth waveguide features with ±2% tolerance…”
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Electrochemically Grown Wires for Individually Addressable Sensor Arrays by Yun, Minhee, Myung, Nosang V, Vasquez, Richard P, Lee, Choonsup, Menke, Erik, Penner, Reginald M

“…We report on the electrochemical growth of micro/nanowire devices using e-beam-patterned electrolyte channels, potentially enabling the controlled fabrication…”
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Efficient CMOS Systems With Beam-Lead Interconnects for Space Instruments by Chahat, Nacer, Tang, Adrian, Choonsup Lee, Sauleau, Ronan, Chattopadhyay, Goutam

“…One of the main reasons CMOS systems has low overall efficiency is the performance of the on-chip antennas. With the recent severe metal density rules the…”
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Silicon Micromachined Waveguide Circuit for a 2 THz Schottky Receiver: Progress and Challenges by Chen, Christine P., Jung-Kubiak, Cecile, Lin, Robert H., Hayton, Darren J., Maestrini, Alain E., Siles, Jose, Lee, Choonsup, Peralta, Alejandro, Mehdi, Imran

“…Space instruments that operate in the THz range can enable unique measurements for a better understanding of the chemical and physical processes taking place…”
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Design and Characterization of a Room Temperature All-Solid-State Electronic Source Tunable From 2.48 to 2.75 THz by Maestrini, A., Mehdi, I., Siles, J. V., Ward, J. S., Lin, R., Thomas, B., Lee, C., Gill, J., Chattopadhyay, G., Schlecht, E., Pearson, J., Siegel, P.

“…We report on the design, fabrication and test of an all-solid-state, frequency agile source that produces over across the 2.48-2.75 THz band at room…”
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Electro-Thermal Model for Multi-Anode Schottky Diode Multipliers by Aik Yean Tang, Schlecht, E., Lin, R., Chattopadhyay, G., Choonsup Lee, Gill, J., Mehdi, I., Stake, J.

“…We present a self-consistent electro-thermal model for multi-anode Schottky diode multiplier circuits. The thermal model is developed for an n -anode…”
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Miniature packaging concept for LNAs in the 200–300 GHz range by Samoska, Lorene, Fung, Andy, Varonen, Mikko, Lin, Robert, Peralta, Alejandro, Soria, Mary, Choonsup Lee, Padmanabhan, Sharmila, Sarkozy, Stephen, Lai, Richard

“…In this work, we describe new miniaturized low noise amplifier modules which we developed for incorporation in small-scale satellites or Cubesats, and which…”
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Thermal Characterization of Substrate Options for High-Power THz Multipliers Over a Broad Temperature Range by Kiuru, Tero, Chattopadhyay, Goutam, Reck, Theodore J., Minnich, Austin J., Lin, Robert, Schlecht, Erich, Siles, Jose V., Choonsup Lee, Mehdi, Imran

“…This paper presents thermal characterization results for three high-power THz Schottky frequency multipliers in the temperature range of 20-380 K. All measured…”
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A Nanochannel Fabrication Technique without Nanolithography by Lee, Choonsup, Yang, Eui-Hyeok (E. H.), Myung, Nosang V, George, Thomas

“…We have developed a new nanochannel fabrication technique using chemical-mechanical polishing (CMP) and thermal oxidation. With this technique, it is possible…”
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Leak-tight piezoelectric microvalve for high-pressure gas micropropulsion by Eui-Hyeok Yang, Choonsup Lee, Mueller, J., George, T.

“…This paper describes the results of our development of a leak-tight piezoelectric microvalve, operating at extremely high upstream pressures for…”
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Fabrication, characterization, and computational modeling of a piezoelectrically actuated microvalve for liquid flow control by Choonsup Lee, Eui-Hyeok Yang, Saeidi, S.M., Khodadadi, J.M.

“…Liquid-compatible piezoelectric microvalves have been modeled, fabricated, and characterized. The microvalve was designed for proportional flow control of…”
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A 65nm CMOS 140 GHz 27.3 dBm EIRP transmit array with membrane antenna for highly scalable multi-chip phase arrays by Tang, Adrian, Chahat, Nacer, Yan Zhao, Virbila, Gabriel, Choonsup Lee, Hsiao, Frank, Li Du, Yen-Cheng Kuan, Chang, Mau-Chung Frank, Chattopadhyay, Goutam, Mehdi, Imran

“…This paper presents a scalable transmit phase array operating at 140 GHz which employs a local PLL reference generation system. Unlike traditional CMOS phase…”
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A 95 GHz centimeter scale precision confined pathway system-on-chip navigation processor for autonomous vehicles in 65nm CMOS by Tang, Adrian, Hsiao, Frank, Yanghyo Kim, Li Du, Long Kong, Virbila, Gabriel, Yen-Cheng Kuan, Choonsup Lee, Chattopadhyay, Goutam, Chahat, Nacer, Reck, Theodore, Mehdi, Imran, Chang, M. C.

“…This paper presents a 95 GHz centimeter scale navigation system which allows a unmanned ground vehicle (UGV) or possibly even aerial vehicle (UAV) to navigate…”
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Micromachined Packaging for Terahertz Systems by Chattopadhyay, Goutam, Reck, Theodore, Lee, Choonsup, Jung-Kubiak, Cecile

“…Micromachined packaging is emerging as the best choice for development of terahertz multipixel heterodyne array instruments and other advanced terahertz…”
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