A5011580992- Photonic and Optical Devices
- Semiconductor Lasers and Optical Devices
- Advancements in PLL and VCO Technologies
- Optical Network Technologies
- Radio Frequency Integrated Circuit Design
- Advanced Photonic Communication Systems
- CCD and CMOS Imaging Sensors
- Semiconductor materials and devices
- Transition Metal Oxide Nanomaterials
- Analog and Mixed-Signal Circuit Design
- Gas Sensing Nanomaterials and Sensors
- Analytical Chemistry and Sensors
- Radar Systems and Signal Processing
- Venomous Animal Envenomation and Studies
- Ga2O3 and related materials
- ZnO doping and properties
- Asthma and respiratory diseases
- Infrared Target Detection Methodologies
- Photoacoustic and Ultrasonic Imaging
- Advanced Optical Sensing Technologies
- Thin-Film Transistor Technologies
- Fluoride Effects and Removal
- Advanced Sensor and Control Systems
- Wireless Power Transfer Systems
- Herbal Medicine Research Studies
Institute of Semiconductors
2008-2024
Chinese Academy of Sciences
2008-2024
University of Chinese Academy of Sciences
2021-2024
Joint Research Center
2014
This article presents a 50-Gb/s optical transmitter (TX), consisting of 40-nm distributed CMOS driver and 180-nm silicon-photonic modulator. A lumped-segment Mach–Zehnder modulator (LS-MZM) is developed for high bandwidth (BW) four-level pulse amplitude (PAM-4) modulation. multi-segment with limiting outputs co-designed, which into each LS-MZM segment. By grouping these LS-MSM segments in thermometer code, high-linearity modulation realized without the need power-hungry high-swing linear...
This paper presents a hybrid-integrated optical transceiver front-end for beyond-400G short-reach links. A pair of the monolithic 8-channel laser drivers and trans-impedance amplifier (TIA) is developed in 180nm SiGe BiCMOS, incorporating arrayed Vertical-Cavity-Surface- Emitting Lasers photo-detectors. The driver uses <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$2^{\mathrm {nd}}$...
A 4λ×128Gb/s PAM4 Silicon-Photonic WDM transmitter is designed in CMOS, consisting of a linear driver and micro-ring modulator for optical I/O. Measurement results demonstrate eye diagrams > 3.5dB extinction ratio while consuming 1.5pJ/bit.
We present a monolithic ultraviolet (UV) image sensor based on standard CMOS process. A compact UV sensitive device structure is designed as pixel for the sensor. This consists of array, high-voltage switches, readout circuit and digital control circuit. 16 × prototype chip implemented in 0.18 μm logic The were measured. Experimental results demonstrate that has high sensitivity 0.072 V/(mJ/cm2) can capture image. It suitable large-scale bio-medical space applications.
Scaling down supply voltage (V <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">DD</inf> ) to sub-O.4V is tremendously attractive for the internet-of-things (loT) applications, which offers a great benefit extending lifetime of loT devices or enabling batteryless operation [1]. Furthermore, tailoring an ultra-low-voltage (ULV) phase-locked loop (PLL) simultaneously lower power consumption, integrated jitter, and reference (REF) spur highly...
This paper presents a 50-Gb/s optical receiver (ORX) chipset, consisting of transimpedance amplifier (TIA) and clock data recovery (CDR) circuit in 45-nm silicon-on-insulator CMOS. The proposed inverter-based TIA employs hybrid shunt-series peaking inductors to extend the bandwidth (BW). A baud-rate CDR is reduce sampling phases clocking power by half. To optimise ORX for in- package integration, compact-size digital loop adopted each channel, recovered phase interpolation from shared...
This paper proposes a novel single-poly floating gate (FG) UV sensor in standard CMOS process. The cell is based on PMOS FG and only adopts four transistors including sensitive component readout amplifier. architecture compact feasible for future high density array chip implementation. A theoretical analysis of sensitivity described detail. As the compatible with single poly process, it has merits low cost, more sensitive, be integrated signal processing system. prototype manufactured 0.18μm...
A novel process of room temperature ion beam sputtering deposition vanadium oxide films and low post annealing for uncooled infrared detectors was proposed in this work. VO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> thin with relatively square resistance (70 K Omega / square) large coefficient (more than 3%/K) at were fabricated using which very compatible the based on micromachined technology. Furthermore, chemical composition film...
This paper presents an analog coherent receiver front-end for high-speed optical links. By monolithically integrating two silicon photonic (Si-Ph) photodetectors (PD) with a differential-input transimpedance amplifier (TIA), balanced topology and high receiving common-mode rejection ratio (CMRR) is realized. An inverter-based linear TIA shunt-series multiple peaking proposed to enable the high-order quadrature amplitude modulation (QAM). Simulation results show achieves 41 GHz bandwidth,...
The emerging AI computing system asks for high-speed, large-scale, and power-efficient interconnects. As the scales-out reaching tens-of-meters, electrical links cannot support higher bandwidth (BW) at affordable power consumption. Silicon photonic (SiPh) technology enables fabrication of both integrated circuits (PIC) electronic (EIC) on same wafer. By integrating optical transceivers into xPU package, fiber channels could be directly attached to chip edge, building up highly optical-IO....
The <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\text{sub}-100\text{fs}_{\text{RMS}}$</tex> jitter fractional-N (FN) phase-locked loop (PLL) is essential for high-speed wireless/wireline transceivers and data converters. Several reported low-jitter FN-PLLs are listed in Fig. 1. Both the sampling phase detector (SPD) [1] bang-bang PD (BBPD) [2] based PLLs assisted by digital-to-time converter (DTC) leverage high phase-detection gain (K <inf...
This paper presents a low-supply binary-phase-shift-keying (BPSK) demodulator based on an area- and power-efficiency phase-locked loop (PLL) for wireless power biomedical implants with high-quality factor (Q) coils. The dual-path self-biased PLL is proposed to reduce the area of integral capacitor insensitive process, voltage, temperature (PVT) variations. Hence, our can be designed wide bandwidth increase maximum input data rate demodulator. Designed in 40-nm CMOS process tiny core 0.004 mm...
Animal drugs have been historically applied in Chinese remedies for more than two thousands.It was reported that medical animals consisting of 1,590 species took up 12.5% the total number all TCM resources.Those animal such as, earthworm, gecko, periostracum cicadae, and scorpios, commonly used China, are very remarkable traditional treatment asthma or chronic bronchitis.This review presents research advance possessing significant implications development novel anti-asthma bronchitis...
A 4 × 25Gb/s de-serializer using a baud-rate sampling clock and data recovery (BR-CDR) is presented for NIC optical interconnects. The integrating front-end (IFE) circuit proposed to eliminate half of the phases in phase detector. employs continuous-time linear equalizer, phase-interpolation-based BR-CDR, source-series-terminated driver each channel. standing-wave distribution network delivers low-jitter 12.5-GHz all four channels across 2-mm distance under low power consumption....
VO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> thin films have been fabricated by low temperature ion beam sputtering and post reductive annealing process. Semiconductor-metal phase transition is observed for the film annealed at 400degC 2 hours. The also shows a polycrystal structure with grain size from 50 nm to 150 nm. this process TCR up -2.7% room temperature. Our results indicate promising fabrication method of nano-structured...