Application of Semiconductor Optical Amplifier (SOA) in Managing Chirp of Optical Code Division Multiple Access (OCDMA) Code Carriers in Temperature Affected Fibre Link

Ahmed, Shakil; Glesk, Ivan

doi:10.3390/app8050715

Cited by 4 publications

(4 citation statements)

References 20 publications

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“…Detection errors will increase significantly if the MAI is over an acceptable threshold at the decoder. Therefore, the author adopted spectral-amplitude-coding (SAC) [18][19][20] to eliminate the MAI effect. Combining the characteristics of SAC codes and an interference cancellation algorithm known as balanced detection, MAI can be blocked at the receiver.…”

Section: Related Workmentioning

confidence: 99%

Multiple-Code Technique for Multi-Rate Transmissions in Optical Packet Switching Networks Based on OCDMA Labels

Chen

2019

Photonics

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Supporting multi-rate transmission is an essential factor in current optical packet switching (OPS) networks. In this paper, the author studied a multi-rate scheme capable of forwarding packets with different signal rates based on label switching. The multiple-code (MC) technique was employed to label a packet by conveying its payload bits to multiple optical code-division multiple-access (OCDMA) labels. Spectral-amplitude-coding (SAC), which represents the chips in an OCDMA code as a set of wavelengths, was introduced to remove the multiple-access interference (MAI) from the overlapping among labels. The author tested the system effectiveness by conducting numerical analysis to formulate bit-error probability (BEP) and spectral efficiency (SE). The simulation results showed that the proposed network had a stable BEP performance when switching the packet flows of multiple data-rates.

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Section: Related Workmentioning

confidence: 99%

Multiple-Code Technique for Multi-Rate Transmissions in Optical Packet Switching Networks Based on OCDMA Labels

Chen

2019

Photonics

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“…Ahmed and I. Glesk in Ref. [28]. This paper explores the use of SOAs in the transmitter side of such a system based on multi-wavelength picoseconds code carriers for mitigation of temporal distortion of an OCDMA auto-correlation affected by the temperature induced dispersion changes in a fiber optic transmission link.…”

Section: Special Issue Papersmentioning

confidence: 99%

Special Issue on Applications of Semiconductor Optical Amplifiers

Zoiros

2018

Applied Sciences

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“…Some studies have reported a novel multiplex technique, namely optical code division multiple access (OCDMA) [ 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 ]. OCDMA employs CDMA techniques in optical fiber communication environments.…”

Section: Introductionmentioning

confidence: 99%

“…Because phase shifts must be identified on a coder spectral response, their entire structure is relatively complex. To improve system performance, some researchers have proposed an intelligently structured receiver to suppress noise effects and a semiconductor optical amplifier (SOA) to mitigate temperature variation effects on links [ 16 , 17 ]. In 2018, Yen et al presented Walsh–Hadamard-code-based OCDMA techniques with moderate security for applications in WOC environments [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

Bipolar Optical Code Division Multiple Access Techniques Using a Dual Electro-Optical Modulator Implemented in Free-Space Optics Communications

Tseng

Wijanto

Lai

et al. 2020

Sensors

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This study developed a bipolar optical code division multiple access (Bi-OCDMA) technique based on spectral amplitude coding for the formation and transmission of optical-polarized and coded signals over wireless optical channels. Compared with conventional Bi-OCDMA schemes, the proposed free-space optics communication system that uses a dual electro-optical modulator design improves the transmission rate. In theory, multiple access interference can be removed by using correlation subtraction schemes. The experiment results revealed that the proposed system can be employed to accurately extract codewords from an M-sequence and subsequently reconstruct the desired original data. Moreover, the proposed architecture can be implemented easily in simple and cost-effective designs and may be beneficial for broadening the use of Bi-OCDMA schemes in wireless optical communications.

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Application of Semiconductor Optical Amplifier (SOA) in Managing Chirp of Optical Code Division Multiple Access (OCDMA) Code Carriers in Temperature Affected Fibre Link

Cited by 4 publications

References 20 publications

Multiple-Code Technique for Multi-Rate Transmissions in Optical Packet Switching Networks Based on OCDMA Labels

Multiple-Code Technique for Multi-Rate Transmissions in Optical Packet Switching Networks Based on OCDMA Labels

Special Issue on Applications of Semiconductor Optical Amplifiers

Bipolar Optical Code Division Multiple Access Techniques Using a Dual Electro-Optical Modulator Implemented in Free-Space Optics Communications

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