Theoretical and Experimental Investigations of Direct-Detected RF-Tone-Assisted Optical OFDM Systems

Peng, Wen-Chih; Wu, Xiaoxia; Arbab, V.R.; Feng, Kai-Ming; Shamee, Bishara; Christen, L.; Yang, Jeng-Yuan; Willner, Alan E.; Chi, Sien

doi:10.1109/jlt.2008.2012172

Cited by 141 publications

(10 citation statements)

References 21 publications

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“…For following KK processing on the receiver side, the twin-SSB signal should be transmitted together with large enough optical carrier power to meet the minimum phase requirement [16]. After the optical splitter, a single-end PD is used on each ONU side and the received electrical signal from the square-law operation of PD for the LSB signal can be described as [9]:…”

Section: Principle Of Multi-twin-ssb Pon Downlink Transmissionmentioning

confidence: 99%

“…A similar expression exists for the received RSB signal. The After the optical splitter, a single-end PD is used on each ONU side and the received electrical signal from the square-law operation of PD for the LSB signal can be described as [9]:…”

Section: Principle Of Multi-twin-ssb Pon Downlink Transmissionmentioning

confidence: 99%

“…In order to obtain higher throughput and larger capacity, researchers have tried different techniques for advanced modulation in PON transmissions, such as the quadrature amplitude modulation (QAM), pulse amplitude modulation (PAM) or the phase shift keying (PSK) based sub-carrier modulation (SCM) [8], the orthogonal frequency division multiplexing (OFDM) [5,9], and the carrier-less amplitude/phase modulation (CAP) [2][3][4][10][11][12]. Among these different methods, multi-band CAP (multi-CAP) using intensity modulation and direct detection was proposed as a feasible solution for next generation PON due to its low cost and simple structure.…”

Section: Introductionmentioning

confidence: 99%

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Multi-Twin-SSB Modulation with Direct Detection Based on Kramers–Kronig Scheme for Long-Reach PON Downstream

Gao

Cai

et al. 2019

Applied Sciences

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As the demand for high data volumes keeps increasing in optical access networks, transmission capacities and distance are becoming bottlenecks for passive optical networks (PONs). To solve this problem, a novel scheme based on multi-twin single sideband (SSB) modulation with direct detection is proposed and investigated in this paper. At the central office, two SSB signals are generated simultaneously with the same digital-to-analog converters (DACs). The twin-SSB signal is not only robust against frequency selected power fading introduced by chromatic dispersion (CD), but also improves the spectral efficiency (SE). By combining a twin-SSB technique with multi-band carrier-less amplitude/phase modulation (multi-CAP), different optical network units (ONUs) can be supported by flexible multi-band allocation based on software-reconfigurable optical transceivers. The Kramers–Kronig (KK) scheme is adopted on the ONU side to effectively mitigate the signal–signal beat interference (SSBI) induced by the square-law detection. The proposed system is extensively studied and validated with four sub-bands using 50 Gbps 16 quadrature amplitude modulation (QAM) modulation for each sub-band using numerical simulations. Digital pre-equalization is introduced at the transmitter-side to balance the performance of different ONUs. After system optimization, a bit error rate (BER) threshold for hard decision forward error correction (HD-FEC) code with 7% redundancy ratio (BER = 3.8 × 10−3) can be reached for all ONUs over 50-km standard single-mode fiber.

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Section: Principle Of Multi-twin-ssb Pon Downlink Transmissionmentioning

confidence: 99%

Section: Principle Of Multi-twin-ssb Pon Downlink Transmissionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Multi-Twin-SSB Modulation with Direct Detection Based on Kramers–Kronig Scheme for Long-Reach PON Downstream

Gao

Cai

et al. 2019

Applied Sciences

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“…PAPR reduction is an important challenge of optical OFDM systems in order to increase their tolerance to optical system nonlinearities [3,4]. A suitable solution for this impairment, which is based on electrical phase modulation, generates constant envelope (CE-OFDM) signals with PAPR = 3 dB at the transmitter [5].…”

Section: Introductionmentioning

confidence: 99%

Experimental Transmission of CE-OFDM Signals over 300 m of MMF Using an 850 nm VCSEL

Nunes

Rocha

Segatto

et al. 2014

Latin America Optics and Photonics Conference

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We report an experimental transmission of constant-envelope orthogonal frequency division multiplexing (CE-OFDM) signals over short range multimode (MMF) links. The experimental results of the investigated peak-to-average power ratio (PAPR) reduction technique prove the potential of its application in 300 m of MMF in directly modulated laser (DML) systems using an 850 nm vertical-cavity surface-emitting laser (VCSEL).

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“…Optical orthogonal frequency-division multiplexing (OFDM) is a serious candidate for Next-generation long-haul transmission because the linear impairments, such as chromatic dispersion (CD) and polarization-mode dispersion (PMD), can be electronically compensated at the receiver [2]. To date, optical OFDM can be mainly categorized as coherent optical OFDM (CO-OFDM) and incoherent (i.e., direct-detected) optical OFDM (IO-OFDM, or DDO-OFDM).…”

Section: Introductionmentioning

confidence: 99%

Dispersion Compensation in Optical SSB-OFDM Transmission over 288 km Using Direct Detection Technique

Aldhaibani

Aljunid

Fadhil

et al. 2014

2014 5th International Conference on Intelligent Systems, Modelling and Simulation

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Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier transmission scheme that has become the technology of choice for next generation optical communication systems. In this paper optical OFDM system designed with single-sideband format (i.e., SSB-OOFDM) for long-haul transmission since it can overcome the inherent chromatic dispersion (CD) induced fading problem in a double-sideband (DSB) transmission. Moreover, traditional dispersion compensating devices such as Dispersion compensating fiber (DCF) used in multi spans with single mode fiber to reach to 288 km distance at 20 Gb/s. Therefore, the overall system performance based on SNR, spectral analyzer and constellation diagram for the single side band (SSB) OOFDM system gives a good result with 16 QAM modulation.

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Theoretical and Experimental Investigations of Direct-Detected RF-Tone-Assisted Optical OFDM Systems

Cited by 141 publications

References 21 publications

Multi-Twin-SSB Modulation with Direct Detection Based on Kramers–Kronig Scheme for Long-Reach PON Downstream

Multi-Twin-SSB Modulation with Direct Detection Based on Kramers–Kronig Scheme for Long-Reach PON Downstream

Experimental Transmission of CE-OFDM Signals over 300 m of MMF Using an 850 nm VCSEL

Dispersion Compensation in Optical SSB-OFDM Transmission over 288 km Using Direct Detection Technique

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