The optical front end (OFE) is a critical part in most Optical Wireless Communica-tion (OWC) systems. It captures the incoming light flux, converts it and amplifies it into an electrical signal. We pr...
In this paper, we proposed a new inductorless inverter-based front-end for 10 Gb/s optical receivers. The main channel of the circuit is based on the inverter cascaded structure, and the
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The front end of a receiver consists of a photodiode followed by a preamplifier. The optical signal is coupled onto the photodiode by using a coupling scheme similar
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Innovations for the digital society of the future are the focus of research and development work at the Fraunhofer HHI. The institute develops standards for
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This book describes optical receiver solutions integrated in standard CMOS technology, attaining high-speed short-range transmission within cost-effective
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This paper is focused on the noise terms from the optical front end (OFE) of the coherent receiver. Detailed description of noise mechanisms inside the ADC/DSP circuits are beyond the scope...
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This paper presents a $boldsymbol {4}times boldsymbol {112}mathbf {Gb}/mathbf {s}$ four-level pulse amplitude modulation (PAM-4) receiver analog front-end desi
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A critical performance metric for optical receiver is sensitivity which is limited by noise. In optical receivers, achieving a low-noise front-end amplifier while maintaining bandwidth is a challenge. This
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In this paper, a low-power optical receiver front-end which consists of a transimpedance amplifier (TIA) and three stages of limiting amplifier (LA) for 2.5 Gb/s applications is proposed in 0.18
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This paper presents a bootstrapping technique that is applicable for various large window photodetectors by introducing a variable feedback capacitor to the front-end system. Two types of
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The optical front end (OFE) is a critical part in most Optical Wireless Communica-tion (OWC) systems. It captures the incoming light flux, converts it and amplifies it into an electrical signal. Its photodiode
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An optical receiver employs an all-inverter-based front-end design that provides maximum transconductance for a given power supply and allows for ultra-low power consumption.
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Optical Receiver Front-End Design Now that appropriate photodetectors, a process technology for the TIA, and and the co-packaging solution of Fig. 3.4 are chosen, the next step is to design an
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Conventional optical receivers are mostly optimized for single data rate. In this work, after examining conventional optical front-ends, we present the low-noise tunable front-end (LNTF)
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The most important part in an optical receiver is the front-end circuit, which consists of a PD and transimpedance preamplifier. Figure 7.1 shows the signal transmission in an optical front-end circuit.
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The design of an optical receiver depends on the modulation format used by the transmitter. Since most lightwave systems employ the binary intensity
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The main features desired for optical data link receiver front-ends are high sensitivity and wide dynamic range. A preamplifier implemented in a 1 /spl mu/m 20 GHz BiCMOS process is presented.
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In this paper, two versions of a complete RF front-end for a 10 Gbps optical receiver are presented. The RF front-end consists of a transimpedance amplifier and a limiter amplifier. Two
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An optical front end for a 10 Gbit/s optical receiver has been fabricated that features a 10 GHz Si preamplifier IC, a flipchip APD with an 80 GHz gain-bandwidth product, and slant-end fibre
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This work presents a 0.32pJ/b90Gbps PAM4 optical receiver (RX) front-end with a 13.4pA/$sqrt {}$Hz noise density. The proposed design employs a new transimpedan
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In this chapter, we will introduce the basic concept of a high-speed receiver, the integrated circuit (IC) technique of the front-end. Subsequently, passive peaking techniques for a preamplifier are described.
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Abstract This book describes optical receiver solutions integrated in standard CMOS technology, attaining high-speed short-range transmission within cost-effective constraints.
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This reference design describes a complete end-to-end optical front-end system and its performance. Various techniques to optimize the SNR performance of the signal chain are also discussed.
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In this paper, authors present a front end optical receiver designed with almost GHz bandwidth range and 98 dB transimpedance gain suitable for 10 Gbps optical receiver applications using 180 nm
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We present the design, fabrication, and measurement of a monolithically integrated optical receiver analog front end, where low power operation is a primary consideration with a goal of
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With the determination of the 50Gb/s PON communication network standard, there is a large demand for 50Gb/s PON chips. In this paper, we design a 50Gb/s transim.
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