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Proceedings Paper

High-speed monolithic integrated technologies for wavelength division multiplexing and demultiplexing based on VCSELs
Author(s): Julian Cheng; Yuxin Zhou; Kai Yang; Christopher P. Hains
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Paper Abstract

Monolithic multiple-wavelength arrays of vertical-cavity surface-emitting lasers (VCSEL) and resonance-enhanced photodetectors (REPD) with matching wavelengths are useful for wavelength-division multiplexed optical interconnects, in which parallelism is achieved using a single fiber. Multiple wavelength channels can be optically multiplexed and broadcast to different nodes, where they are demultiplexed (selected) by REPDs with different spectral selectivity. Alternatively, the multiplexed data can be spectrally separated and sent to different destinations. Wavelength-graded VCSEL arrays with a 57 nm wavelength span have been realized, and VCSELs have been integrated with REPD arrays for improved wavelength matching. Wavelength multiplexing and demultiplexing are demonstrated at > 1 Gb/s using quasi-planar, multi-wavelength, InGaAs (VCSEL) and REPD arrays with closely matching wavelengths, with a crosstalk of > 10 dB between channels approximately 4 nm apart. The transmission performance of a single-channel fiberoptic link with a 1 km span is characterized, and the impact of optical crosstalk from neighboring wavelength channels and the effect of thermally-induced wavelength de- tuning are studied.

Paper Details

Date Published: 19 April 2000
PDF: 11 pages
Proc. SPIE 3950, Optoelectronic Integrated Circuits IV, (19 April 2000); doi: 10.1117/12.382159
Show Author Affiliations
Julian Cheng, Univ. of New Mexico (United States)
Yuxin Zhou, Univ. of New Mexico (United States)
Kai Yang, Univ. of New Mexico (United States)
Christopher P. Hains, Univ. of New Mexico (United States)

Published in SPIE Proceedings Vol. 3950:
Optoelectronic Integrated Circuits IV
Yoon-Soo Park; Ray T. Chen, Editor(s)

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