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The potential use of analog-to-digital converters (ADC) and digital-to-analog converters (DAC) for conversion between optical analog and digital signals and high-speed optical signal
An optical analog-to-digital converter (OADC) scheme with enhanced bit resolution by using a multimode interference (MMI) coupler as optical quantization is proposed. The mathematical
They explore structure–materials–performance relationships in all-optical analog-to-digital converters, hardlimiters, and AND and OR gates. They show that their proposed analog-to-digital
They explore the performance of an all-optical logic gate whose forward-directed output implements a binary AND and whose backward-directed output implements an OR function. Index
In this paper, we proposed a novel all optical analog-to-digital (ADC) converter based on photonic crystals. First of all, we designed a three port nonlinear demultiplexer, for producing discrete
In this paper, we proposed a new design for optical Analog to digital convertor based on Kerr effect which consists of three nonlinear rods inside the waveguide.
In this structure, a nonlinear Kerr effect has been considered to transfer the light intensity inside the ring resonator, which can control the optical behavior of the digital-to-analog converter.
This paper investigates a 2-bit all-optical analog-to-digital converter (AO-ADC) using the photonic crystal (PhC) structure. The proposed structure comprises a 27 × 27 grid of silicon rods in
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Have you ever wondered what the conversion error rate (CER) of an ADC is all about and how we measure it? Well, since we have an analog input, we cannot easily make a 1 to 1 logical
This paper defines a new design, simulation and analysis of all-optical analog-to-digital converters (ADC) based on silicon waveguide based all-optical synchronous up counter.
Quantization error and (assuming the ADC is intended to be linear) non- linearity are intrinsic to any analog-to-digital conversion. These errors are measured in a unit called the least significant bit (LSB).
Among all Optical devices which are realized by PhCs, Analog-to-digital converters (ADCs) with high sampling rate and bit resolution are highly demanded in many modern applications
Bit-error rate is the ratio of the number of erroneous bits observed to the total number of bits in a bit stream. When applied to ADCs, the bit-error rate measures the number of erroneous samples
In this study, we designed an all-optical analog to digital converter using photonic crystal nonlinear ring resonators. The main goal of this study was to design an optical analog to digital
Photonic analog-to-digital conversion architectures have long been recognized as having the potential to provide significant advantages in bandwidth, timing precision, and timing stability.
We propose for the first time a two-dimensional phase-frequency jointly quantizing method for cost-effective all-optical analog-to-digital conversion (ADC), both on power consumption
Different from other ADC metrics such as a signal-to-noise ratio (SNR) or an effective number of bits (ENOB), bit error rate (BER) is an important specification used to evaluate how stable the output
Just like many other semiconductor components, high speed analog-to-digital converters (ADCs) do not always perform perfectly, despite our best expectations. They have inherent
In a proof-of-concept experiment, we demonstrate the viability of the concept by acquiring a broadband analogue data signal comprising different channels with centre frequencies between 24
This design achieves an acceptable conversion rate with a 2-bit resolution, demonstrating scalability for higher bit resolutions (Masnad, 2024). Additionally, all-optical 4-bit DACs employing
A simple scheme of optical assisted digital-to-analog conversion which utilizes multiwavelength multiplexing is proposed. The output of multiple electronic digital-to-analog
Today, one of the most important objectives concerned with integrated optical circuits is to realize all-optical networks. High transmission speed and efficiency and no interference between
Abstract We have demonstrated the performance of a novel design for a single wavelength 2-bit all-optical analog-to-digital converter (ADC). This converter consists of two high
The three key parameters of conversion rate, resolution, and dynamic range have been investigated for designing all-optical analog-to-digital converters [72, 73]. In these convert-ers, the conversion rate is