A long-reach ultra-dense 10 Gbit/s WDM-PON using a digital coherent receiver

Lavery, Domaniç; Ionescu, Maria; Makovejs, Sergejs; Torrengo, E.; Savory, Seb J.

doi:10.1364/oe.18.025855

Cited by 64 publications

(27 citation statements)

References 9 publications

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“…Multicore optical fibers have been initially utilized to transfer data worldwide offering a low cost, low loss and low crosstalk while providing increased fiber density for optical network systems 2,3 . Different design structures, based on the geometry, such as distance between the cores of the multicore optical fibers, have been demonstrated in order to be used on alternate applications.…”

Section: Introductionmentioning

confidence: 99%

Power coupling in multicore optical fiber tapers utilizing out-cladding ferrofluids

2016

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Herein we present the experimental implementation of a power coupling device that combines the technology of tapered, multicore microstructured optical fibres (MOFs) with ferrofluidic overlayers. Power coupling between different cores of a tapered, multicore MOF is demonstrated, utilizing magneto-refraction effects induced by magnetic field stimulus into a ferrofluidic outcladding surrounding of the multicore optical fibre taper. By tapering the multicore all-solid MOF to a specific diameter, the excitation of all the adjacent cores through the central one is achieved. Transmission spectra measurements of the individual cores proved that light coupling between fiber cores can be manipulated by magnetic field stimulus. We anticipate that such a type of magneto-tunable power-coupling photonic device can find applications in optical magnetometry, imaging and optical communications.

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Section: Introductionmentioning

confidence: 99%

Power coupling in multicore optical fiber tapers utilizing out-cladding ferrofluids

2016

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“…Owing to the continuous growth of bandwidth-hungry new services, the WDM-PON access networks will migrate to systems with more than 1 Tb capacities in the near future [5][6][7]. In addition, developments for supporting longer reach and larger split are also expected [8,9]. As 40 Gb/s per channel will be one of the typical channel rates of WDM-PONs in the near future [10][11][12], the main challenge when increasing the total system capacity lies in improving the spectral efficiency.…”

Section: Introductionmentioning

confidence: 99%

Bidirectional 40Gb/s/λ, 100km-reach, channel-reuse WDM-PON employing tunable optical transceiver with optical intensity detection-based wavelength management

Zhang

Wang

et al. 2015

Optical Fiber Technology

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“…These standards specify up to 128 users sharing a single wavelength channel (one downstream and one upstream wavelength) in a time division multiplexing fashion. Beyond these standards, the wavelength capacity continues scaling up by advanced techniques such as polarization multiplexing [3], [4], multilevel modulation formats, coherent detection [5], [6], and orthogonal frequency division multiplexing [7], [8] since these techniques are becoming commercially available for long-haul applications.…”

Section: Introductionmentioning

confidence: 99%

Flexibility Level Adjustment in Reconfigurable WDM-TDM Optical Access Networks

Tran

Tangdiongga

Okonkwo

et al. 2012

J. Lightwave Technol.

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Abstract-Optical access networks have been widely adopted to support the exponential growth in bandwidth demand. To further fulfill the growth efficiently, reconfigurable wavelength division multiplexing-time division multiplexing optical access networks have been proposed in which optical network units can be reallocated to another wavelength on demand. Thus, the reconfigurability allows dynamic sharing of both wavelengths and timeslots. However, it requires a substantial addition to capital expenditure per user, which is prohibitive in access networks. This paper investigates an approach to preserve the merits of reconfigurability while significantly reducing the network complexity, thus cost by adjusting the level of flexibility. We define a parameter designated as the degree of flexibility to indicate the level of flexibility of a network. Then, we evaluate the performance of various degrees of flexibility based on the traffic capacity and the power consumption. The results suggest that introducing limited wavelength flexibility to the network significantly improves the performance in comparison to the static network while a highly or fully flexible network can further improve the performance but with smaller additional margins. Finally, we apply this result to a well-known reconfigurable architecture, the broadcast-and-select, to illustrate how the limited flexibility can help to reduce the network cost in terms of the optical power budget.Index Terms-Optical fiber networks, time division multiplexing (TDM), wavelength division multiplexing (WDM).

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A long-reach ultra-dense 10 Gbit/s WDM-PON using a digital coherent receiver

Cited by 64 publications

References 9 publications

Power coupling in multicore optical fiber tapers utilizing out-cladding ferrofluids

Power coupling in multicore optical fiber tapers utilizing out-cladding ferrofluids

Bidirectional 40Gb/s/λ, 100km-reach, channel-reuse WDM-PON employing tunable optical transceiver with optical intensity detection-based wavelength management

Flexibility Level Adjustment in Reconfigurable WDM-TDM Optical Access Networks

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