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21 April 2000 Gigabit-per-sec wavelength-division-multiplexed fiber optic link
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Proceedings Volume 3949, WDM and Photonic Switching Devices for Network Applications; (2000)
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States
We demonstrate the high-speed operation of a wavelength- division-multiplexed optical interconnect, which is implemented by multiplexing the optical data from a multiple wavelength vertical-cavity surface-emitting laser (VCSEL) array into a single optical fiber, and demultiplexing the composite data stream using an array of resonance-enhanced photodetectors (REPD) with matching resonance wavelengths. By using VCSELs and REPDs with a quasi-planar oxide- confinement design for improved high speed performance, and using strained InGaAs/GaAs quantum wells to achieve a better trade-off between optical responsivity and wavelength selectivity, WDM operation has ben demonstrated under 1.25 Gb/s data modulation, with an optical crosstalk rejection ratio of better than -10 dB for wavelength channels that are spaced approximately 4 nm apart. The transmission performance of a single-channel, 1.0 Gb/s fiberoptic link with a 1 km span is characterized, achieving a BER equals 10-12 at a received optical signal level of -16.7 dBm. In addition, the effect of optical crosstalk from a neighboring wavelength channel, as well as the power penalty for thermally-induced wavelength de-tuning between the VCSEL and REPD have been determined.
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Yuxin Zhou and Julian Cheng "Gigabit-per-sec wavelength-division-multiplexed fiber optic link", Proc. SPIE 3949, WDM and Photonic Switching Devices for Network Applications, (21 April 2000);

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