100 Gbit/s wavelength conversion using FWM in an MQW semiconductor optical amplifier

Kelly, Anthony E.; Ellis, A.D.; Nesset, D.; Kashyap, R.; Moodie, D.G.

doi:10.1049/el:19981388

Cited by 56 publications

(19 citation statements)

References 3 publications

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“…Because of the relatively complex pumping scheme, FWM gates will probably only be used at bit rates above 100 Gb/s. Wavelength conversion at 100 Gb/s has been achieved for conversion over 3.2-nm wavelength [65] and impressive results have also been achieved for conversion over larger wavelength spans. Examples are 40 Gb/s over 24.6 nm [66], and 2.5 Gb/s over 80 nm [67].…”

Section: Four-wave Mixing In Soasmentioning

confidence: 99%

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Stubkjaer

2000

IEEE J. Select. Topics Quantum Electron.

456

161

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Abstract-Semiconductor optical amplifiers are useful building blocks for all-optical gates as wavelength converters and OTDM demultiplexers. This paper reviews the progress from simple gates using cross-gain modulation and four-wave mixing to the integrated interferometric gates using cross-phase modulation. These gates are very efficient for high-speed signal processing and will open up interesting new areas, such as all-optical regeneration and high-speed all-optical logic functions.Index Terms-Add/drop multiplexer, optical gate, optical processing, semiconductor optical amplifier, wavelength converter.

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Section: Four-wave Mixing In Soasmentioning

confidence: 99%

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Stubkjaer

2000

IEEE J. Select. Topics Quantum Electron.

456

161

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“…In contrast to the materials above operating on variations of the Kerr effect, nonlinearity in SOA's is mediated by carrier excitation enabling signal processing with significantly lower optical power levels [16]. SOAs have been previously demonstrated in many FWM based devices including wavelength conversion [17], clock recovery [18],optical sampling [19] and optical regeneration [20], but very little work has been performed on phase sensitive applications [21,22]. In this paper, we report on the first ever multi-channel regeneration in a semiconductor optical amplifier [22].…”

Section: Introductionmentioning

confidence: 99%

Phase Sensitive Signal Processing using Semiconductor Optical Amplifiers

Ellis

Sygletos

2013

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013

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This paper examines recent progress in the use of semiconductor optical amplifiers for phase sensitive signal processing functions, a discussion of the world's first multi-wavelength regenerative wavelength conversion using semiconductor optical amplifiers for BPSK signals. IntroductionAn impending capacity crunch has been widely discussed recently, arising from the inability of a single optical fiber strand to continue to support the exponentially growing traffic demands [1]. Many solutions have been proposed including novel optical amplifiers, installation of new fibers to allow spatial multiplexing and the re-emergence of optical regeneration [2]. Of these only optical regeneration offers a significant increase in the overall capacity of a fully populated link without significant increases in cost or power consumption. Conventional (Silica based) highly nonlinear fiber (HNLF) with high SBS threshold has proven effective in enabling many of the essential features of a future all optical regenerator, including• Operation with phase encoded signals, to ensure compliance with coherently detected signal formats [3,4] • Multi-wavelength operation, to ensure cost competitiveness with optical amplifiers [5]• Simultaneous amplitude and phase regeneration, to give the prospects of regeneration of QAM signals [6] • Quantum limited performance, to maximize performance benefits [7] Despite the excellent fiber performance [eg 8] these reports typically employ at least one high power (Watt class) optical amplifier, reducing the prospects for compact and low energy consumption devices. Several alternative material systems exist for the production of nonlinear devices based on four wave mixing processes including periodically poled lithium niobate [9], photonic crystal [10] and/or bismuth fiber [11,12], calcogenide planar waveguides [13], polymer clad silicon waveguides [14] and amorphous silicon [15], unfortunately when practical configurations are considered such devices either require higher pump powers than for the equivalent function in HNLF, or have power handling limitations such as two photon absorption or the Staebler-Wronski effect. In contrast to the materials above operating on variations of the Kerr effect, nonlinearity in SOA's is mediated by carrier excitation enabling signal processing with significantly lower optical power levels [16]. SOAs have been previously demonstrated in many FWM based devices including wavelength conversion [17], clock recovery [18],optical sampling [19] and optical regeneration [20], but very little work has been performed on phase sensitive applications [21,22]. In this paper, we report on the first ever multi-channel regeneration in a semiconductor optical amplifier [22]. This is achieved in a fully "black box", fiber in -fiber out configuration, operating with phase modulated data. The system summarized here employs semiconductor devices for all active functions, opening the possibility of a fully integrated optical subsystem. Optical power requirements are modest (< 4mW...

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“…FWM, being transparent to modulation format, is also transparent to the signal baudrate; with conversion of 100 Gbit/s On-Off Keyed pulses having been demonstrated in semiconductor optical amplifiers (SOA) [2]. However, FWM has one major drawback and that is the issue of the large phase-noise transfer between the pump and the converted idler [3].…”

Section: Introductionmentioning

confidence: 99%

Simulations of an OSNR-Limited All-Optical Wavelength Conversion Scheme

Dúill

Naimi

Anthur

et al. 2013

IEEE Photon. Technol. Lett.

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Abstract-We present simulations of a scheme to perform wavelength conversion of signals that eliminates phase-noise transfer from the pump to the converted signal. Nondegenerate four-wave mixing in a semiconductor optical amplifier is used to convert the signal to a new wavelength; and if an optical comb generator is used as the multiple-pump source, then the signal can be converted without incurring any phase-noise transfer from the pumps. We highlight the capabilities of this scheme by simulating the conversion of 16-QAM signals at 10 Gbaud and showing that errors due to phase-noise accumulation are eliminated thus enabling conversion whose only impairment would be the total additive optical noise.

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100 Gbit/s wavelength conversion using FWM in an MQW semiconductor optical amplifier

Cited by 56 publications

References 3 publications

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Phase Sensitive Signal Processing using Semiconductor Optical Amplifiers

Simulations of an OSNR-Limited All-Optical Wavelength Conversion Scheme

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