PIN and APD photodetector efficiencies in the longer wavelength range 1300–1550 nm

Kharraz, Osayd M.; Forsyth, David I.

doi:10.1016/j.ijleo.2012.07.035

Cited by 20 publications

(5 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The PIN photodiode detector is preferred over avalanche photodiode (APD) photodetector because APD photodetector is less stable than the PIN due to the existence of high temperature and applied voltage in case of APD-based photodetectors. 18 At optical wavelengths in the range of 1300-1550 nm, the germanium material-based photodetector has a very high dark current that affects the sensitivity of the receivers based on APD photodetector more than the PIN photodetector due to its (APD) multiplication gain that results in shot noise being the dominant noise as compared to thermal noise. In addition, APD are complex, costly, and voltage-hungry making them best suited for long-haul communication such as deep-space communication.…”

Section: Figurementioning

confidence: 99%

See 1 more Smart Citation

A novel project‐and‐forward relay‐assisted mixed RF‐FSO system design and its performance evaluation

Khanna

Aggarwal

Ahuja

2019

Trans Emerging Tel Tech

View full text Add to dashboard Cite

The outage and error performance of a radio frequency (RF)‐free space optical (FSO) asymmetric two‐hop link using project‐and‐forward relaying protocol is evaluated in this paper. We suggest a multiple‐input–multiple‐output (MIMO)‐RF channel with multiple source and relay antennas for simultaneous transmission over the RF link followed by an FSO channel that supports point‐to‐point transmission over a single FSO link. Furthermore, the source to relay RF link is modeled by Nakagami‐m fading distribution to represent different channel fading conditions often encountered in various applications, while the FSO channel is affected by atmospheric turbulence characterized by Gamma‐Gamma fading, path loss, and misalignment errors. The performance of the system is investigated considering the impact of these parameters. We derive the mathematical expressions that are obtained in closed form for the probability density function and cumulative distribution function of the instantaneous signal‐to‐noise ratio for the Nakagami‐m faded MIMO‐RF link in terms of Meijer's G‐function. Using the aforementioned statistical results, we derive a novel closed‐form expression for the outage probability of the system. We also evaluate the average‐bit‐error‐rate performance for different coherent and noncoherent modulation schemes, and obtain novel mathematical results in closed form for the same.

show abstract

Section: Figurementioning

confidence: 99%

“…where Υ SR (.) is given by (18). Substituting (18) in (19), the analytical expression in closed form is obtained as…”

Section: Mimo-rf Linkmentioning

confidence: 99%

A novel project‐and‐forward relay‐assisted mixed RF‐FSO system design and its performance evaluation

Khanna

Aggarwal

Ahuja

2019

Trans Emerging Tel Tech

View full text Add to dashboard Cite

show abstract

“…This design of SACOCDMA system employing multi-diagonal code was carried out 10 Gbps. With these conditions APD is able to support transmission distance upto 51 km in comparison to PIN which is successful upto 35 km as shown in Figure 6 The Eye diagram shown in Figure 7 depicts the efficiency of APD as a Photodetector as they show an internal current gain effect (around 100) due to impact ionization (avalanche effect) [9]. As concluded from the eye diagram x2> x1 whereas x1 and x2 are the eye heights obtained with PIN and APD so with help of APD the eye is open wide as compared to eye diagram of PIN which is distorted a bit.…”

Section: Effect Of Transmission Distancementioning

confidence: 99%

Choice of Photodetectors for the Design of SACOCDMA System Employing Multi-Diagonal Code

Priya¹

2015

IJSIP

View full text Add to dashboard Cite

Optical communication are difficult to design and analyze therefore it is useful to find the effects of various parameters and characteristics of the Photodetectors used in optical systems. So in this paper effect of various parameters on the performance of proposed system with both types of Photodetectors is analyzed. Through the simulative results taken from "Optisystem 11.0" it is concluded that APD has an edge over PIN at Lower data rates, at lower transmit power levels, at higher attenuation and can support large transmission distance but PIN is preferred at higher thermal noise and higher data rates in comparison to APD.

show abstract

“…There are many types of photo detectors in existence, photodiodes are used almost exclusively in optical communication applications because of their small size, suitable material, high sensitivity, and fast response time [14]. For the PIN photodiode the signal to noise ratio (SNR) is given by [15]:…”

Section: Signal To Noise Ratio and Bit Error Ratementioning

confidence: 99%

Comparison of NRZ, RZ-OOK Modulation Formats for FSO Communications under Fog Weather Condition

Ali¹

2014

IJCA

View full text Add to dashboard Cite

In this paper, the performance of an FSO wireless communications system is theoretically analyzed, using NRZ, RZ-OOK modulation formats and a Si PIN photodiodes receiver over fog weather conditions. Based on different fog models for optical beam propagation horizontally at 850 nm1550nm on an FSO, the visibility of weather and power of the transmitter under fog weather are analyzed. The characteristics of bit error rate BER for NRZ and RZ-OOK optical modulation formats are studied under different fog models. Simulation results indicate that the performance of 1550nmis more suited for an FSO communication system. On the other hand, we discuss the suitability of fog models under these modulation formats. KeywordsFSO, fog attenuation, visibility, bit error rate BER, NRZ-OOK, RZ-OOK.

show abstract

PIN and APD photodetector efficiencies in the longer wavelength range 1300–1550 nm

Cited by 20 publications

References 4 publications

A novel project‐and‐forward relay‐assisted mixed RF‐FSO system design and its performance evaluation

A novel project‐and‐forward relay‐assisted mixed RF‐FSO system design and its performance evaluation

Choice of Photodetectors for the Design of SACOCDMA System Employing Multi-Diagonal Code

Comparison of NRZ, RZ-OOK Modulation Formats for FSO Communications under Fog Weather Condition

Contact Info

Product

Resources

About