Novel high-speed LED transmitter for single-mode fibre and wideband loop transmission systems

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Novel high-speed LED transmitter for single-mode fibre and wideband loop transmission systems

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© The Institution of Electrical Engineers
Published

A new high-speed LED transmitter using novel GaAs MESFET bias and drive circuits has been developed. It can modulate LEDs beyond 560Mbit/s with up to 200 mA drive current. At 560Mbit/s, extinction ratios of 15 dB were attained with devices that otherwise operated up to 250Mbit/s. The transmitter was designed for single-mode loop applications.

Inspec keywords: optical communication equipment; light emitting diodes; optical fibres

Other keywords: high-speed LED transmitter; GaAs; wideband loop transmission systems; drive circuits; extinction ratios; 200 mA; drive current; single-mode fibre; GaAs MESFET; 560 Mbit/s

Subjects: Optical communication devices, equipment and systems; Optical communication; Light emitting diodes

References

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      • P.W. Shumate , J.L. Gimlett , M. Stern , M.B. Romeiser , N.K. Cheung . Transmission of 140Mbit/s signals over single-mode fibre using surface and edge-emitting 1.3μm LEDs. Electron. Lett. , 522 - 524
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