Uncooled high-speed DFB lasers for gigabit ethernet applications

Roberto Paoletti; Marina Meliga

doi:10.1117/12.470510

12 June 2002 Uncooled high-speed DFB lasers for gigabit ethernet applications

Roberto Paoletti, Marina Meliga

Proceedings Volume 4646, Physics and Simulation of Optoelectronic Devices X; (2002) https://doi.org/10.1117/12.470510
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

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 optimized 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 degree(s)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 degree(s)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.

Citation Download Citation

Roberto Paoletti and Marina Meliga "Uncooled high-speed DFB lasers for gigabit ethernet applications", Proc. SPIE 4646, Physics and Simulation of Optoelectronic Devices X, (12 June 2002); https://doi.org/10.1117/12.470510

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