First commercially available 10-Gbit/s 1310nm SEML (short-wavelength electro-absorption modulated laser)

June 21, 2001

1 Min Read

S. PLAINFIELD, N.J. -- Multiplex, Inc., the South Plainfield, New Jersey-based vertically integrated manufacturer of high-end opto-electronic components and subsystems, has introduced the MTX310EW, the first commercially available 10 giga-bits-per-second (Gb/s) 1310nm SEML (Short-wavelength Electro-absorption Modulated Laser).While the use of 1310nm lasers for high-speed transmissions have been available for some time in the form of directly modulated Distributed-Feedback (DFB) transmitters, the MTX310EW is the first transmitter based on an EML platform. For 10Gb/s systems EMLs are the light source of choice, and most EML manufacturers utilize 1550nm technology. The MTX310EW is designed to extend the fiber bandwidth in the “S” Band (erbium-doped fiber amplifiers can only amplify C- and L-band signals in the 1550nm window). In the future, it is envisioned that Raman (or semiconductor) amplifiers will be used with 1310nm SEML transmitters in the “S” band, where the near-zero dispersion property of the fiber is utilized.“Multiplex’s MTX310EW is truly a technological breakthrough for high-speed transmission systems,” said Dr. Won T. Tsang, Multiplex’s President and CEO. “1310nm SEMLs can effectively replace directly modulated DFB lasers in various optical network distribution nodes that interface with the DWDM backbone, and system architects will appreciate the outstanding performance offered by 1310nm EML technology.”Multiplex Inc.

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