Results 31 to 40 of about 3,504,310 (335)
On the Use of Gaussian Approximation in Analyzing the Performance of Optical Receivers
IEEE Photonics Journal, 2014 The analytical calculation of the bit error rate (BER) of digital optical receivers that employ avalanche photodiodes (APDs) is challenging due to 1) the stochastic nature of the avalanche photodiode's impulse-response function and 2) the presence of ...
G. El-Howayek +5 more
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Fast synchronization 3R burst-mode receivers for passive optical networks [PDF]
, 2014 This paper gives a tutorial overview on high speed burst-mode receiver (BM-RX) requirements, specific for time division multiplexing passive optical networks, and design issues of such BM-RXs as well as their advanced design techniques. It focuses on how
Bauwelinck, Johan +8 more
core +2 more sources
Synthesis method for distributed amplifiers
Journal of Telecommunications and Information Technology, 2003 New design method is presented for distributed amplifiers (DA). It is shown that by proper design of the applied transmission lines (TL) between the active devices the image impedance and the cut-off frequency COF of the input or output line of the DA ...
Attila Zólomy
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Total Internal Reflection Lens for Optical Wireless Receivers
Photonics, 2022 This work considers the use of a freeform total internal reflection (TIR) lens for optical concentration and provides for the first time experimental results in the context of optical wireless communications (OWC). The lens is placed on a surface-mounted
René Kirrbach +5 more
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Quantum Receivers for Entanglement Assisted Classical Optical Communications
IEEE Photonics Journal, 2021 Entanglement assisted (EA) communication represents an interesting alternative to classical communication, in particular in low-brightness and highly noisy regime when it outperforms significantly corresponding classical counterpart in terms of the ...
Ivan Djordjevic
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PPM demodulation: On approaching fundamental limits of optical communications
, 2010 We consider the problem of demodulating M-ary optical PPM (pulse-position modulation) waveforms, and propose a structured receiver whose mean probability of symbol error is smaller than all known receivers, and approaches the quantum limit.
Boroson DM +6 more
core +1 more source
Characterization of submillimetre quasi-optical twin-slot double-junction SIS mixers [PDF]
, 1996 We report on the continuing development of submillimetre quasi-optical slot antenna SIS mixers, which use two-junction tuning circuits. Direct and heterodyne Fourier transform spectrometer measurements have been performed to compare device performance ...
Bin, M. +5 more
core +1 more source
Phase tracking for sub-shot-noise-limited receivers
Physical Review Research, 2020 Nonconventional receivers for phase-coherent states based on non-Gaussian measurements such as photon counting surpass the sensitivity limits of shot-noise-limited coherent receivers, the quantum noise limit (QNL). These non-Gaussian receivers can have a
M. T. DiMario, F. E. Becerra
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Time-Controlled SPAD Receivers in Optical Wireless Communication System
IEEE Photonics Journal, 2023 Single-photon avalanche diodes (SPADs) capable of single photon detection are promising optical sensors for use as receivers in optical wireless communication (OWC) systems.
Junzhi Liu +3 more
doaj +1 more source
Optical Receiver for Optical Time Domain Reflectometer
Elektronika ir Elektrotechnika, 2012 In this paper we analyze an optical receiver (OR) for the optical time domain reflectometer (OTDR). Using optical receiver’s model, which consists of shunt-shunt feedback transimpedance amplifier (TIA) and InGaAs avalanche photodiode (APD), we discuss and give equations for all important noise sources, which are amplifiers input transistor channel ...
Charlamov, Jevgenij +4 more
openaire +2 more sources