100°C, 10 Gb/s directly modulated InGaAsP DFB lasers for uncooled Ethernet applications

Paoletti, R.; Agresti, M.; Burns, Gordon; Berry, G.; Bertone, D.; Charles, P.M.; Crump, Paul; Davies, A. G.; Fang, Ruochen; Ghin, R.; Gotta, P.; Holm, M.A.; Kompocholis, C.; Magnetti, G.; Massa, J. S.; Meneghini, G.; Rossi, Gemma Caterina Maria; Ryder, P.D.; Taylor, A.; Valenti, P.; Meliga, M.

doi:10.1109/ecoc.2001.989061

Cited by 16 publications

(4 citation statements)

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“…This section reports what, we believe, is the current state of art for uncooled DFBs emitting at 1300 nm, realised by Agilent Technologies [28]. The DFBs have been obtained by combining an optimised active region based on well assessed InGaAsP strained MQW and a low parasitic lateral confinement region.…”

Section: Gb/s Agilent Uncooled Dfb Lasermentioning

confidence: 99%

Uncooled high-speed DFB lasers for gigabit ethernet applications

Paoletti

Meliga

2002

SPIE Proceedings

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Uncooled DFB lasers directly modulated at 10 Gbit/s are a key devices for Optical communication systems operating at 10 Gbit/s, such as 10 Gbit Ethernet, since their effective use in optical transceivers to reduce cost, size and power consumption. The paper describe the current status of these sources (including well assessed InGaAsP MQW and recent progress for AlGaInAs MQW active layers), as well as the Agilent's very recent results. Combining an optimised active region based on InGaAsP strained MQW (Multi Quantum Well) and a low parasitic lateral confinement region, we have fabricated 10 Gb directly modulated uncooled DFB lasers which represent, we believe, the state of art. Our DFB lasers work up to 100 °C (chip temperature), with eye diagram perfectly open (showing an extinction ratio > 5 dB), and with Bit Error Rate over 10 km without error floor. Up to 90 °C our DFBs show threshold current as low as 29 mA, optical power as high as 13 mW and meet perfectly 10 Gb scaled Ethernet mask with extinction ratio > 6 dB

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Section: Gb/s Agilent Uncooled Dfb Lasermentioning

confidence: 99%

Uncooled high-speed DFB lasers for gigabit ethernet applications

Paoletti

Meliga

2002

SPIE Proceedings

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“…For SMF applications at 10 Gb s −1 for ∼10 km link lengths, non-temperature controlled, DFB lasers, operating near wavelengths of 1310 nm were also rapidly developed [127][128][129][130].…”

Section: Gb S −1 Vcsels Dfbs and Associated Challengesmentioning

confidence: 99%

Advances in local area optical data communication systems

Cunningham

White

2020

Rep. Prog. Phys.

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This paper reviews optical fibre technology for local area optical communications systems. Technologies used in local systems include single and multimode fibre, single and multimode lasers, optical modulators, photodetectors, wavelength division multiplexing, multilevel modulation formats, electronic packet switching, electronic equalization and error correction. These methods have enabled the local area optical link data rate to increase from 0.1 Gb/s in 1990 to nearly a Tb/s in 2019. The challenges to increasing link data rates further, whilst reducing the transmitted power per bit, at reduced cost are discussed. Potential technical solutions and newly proposed methods which might address these challenges are highlighted.

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“…This can be easily seen when the device transfer characteristic is expressed as Taylor series: A(t)=a 0 +a 1 x(t)+a 2 x(t) 2 +a 3 x(t) 3 +… and the modulating signals are simplified as sine waves with frequencies f 1 and f 2 : x(t)=X 1 ⋅sin(2π⋅f 1 ⋅t)+X 2 ⋅sin(2π⋅f 2 ⋅t). If signal powers are not too large, second-order and third-order nonlinear products determine the distortion.…”

Section: 1mentioning

confidence: 99%

“…From a cost and complexity point of view it would be very desirable to use uncooled, directly-modulated laser diodes for these analogue applications. Recently, several distributed-feedback (DFB) lasers have been reported that allow the direct modulation at data rates in excess of 10Gb/s, whilst operating uncooled at ambient temperatures of 85°C and above [3][4][5] . These laser diodes have been developed purely for digital applications, driven by the need for low-cost lasers for the 10 Gigabit Ethernet (10GbE) standard 6 among others.…”

Section: Introductionmentioning

confidence: 99%

High-dynamic-range linear analog data links (1-20 GHz) using room temperature DFB laser diodes

et al. 2004

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We report the analysis and application of uncooled, directly-modulated high-speed DFB lasers with emphasis on their analogue transmission performance. Fibre-optic links employing such lasers are shown to meet the most stringent requirements of analogue systems at both high carrier frequencies and high temperatures. Spurious-free dynamic ranges (SFDR) exceeding 100dB⋅Hz 2/3 and 90dB⋅Hz 2/3 and input third-order intercept points (IIP3) above 20dBm and 18dBm are reported for carrier frequencies up to 20GHz at 25°C and up to 10GHz at 85°C, respectively. The error-vector magnitude (EVM) for a 256-QAM modulated signal transmitted over 15km of SMF remains below 1.9% for carrier frequencies of both 2GHz and 5GHz for all measured temperatures. The link performance is assessed by using 3GPP W-CDMA, IEEE 802.11a and IEEE 802.11b signals. In all cases the EVM remains within the standard specification, for fibre-optic link lengths of up to 10km and laser operating temperatures of up to 70°C. Finally, an IEEE 802.11b WLAN demonstrator is presented, allowing antenna remoting over up to 1000m of 62.5/125µm MMF.

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100°C, 10 Gb/s directly modulated InGaAsP DFB lasers for uncooled Ethernet applications

Cited by 16 publications

References 1 publication

Uncooled high-speed DFB lasers for gigabit ethernet applications

Uncooled high-speed DFB lasers for gigabit ethernet applications

Advances in local area optical data communication systems

High-dynamic-range linear analog data links (1-20 GHz) using room temperature DFB laser diodes

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