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Wavelength-division multiplexing and demultiplexing on locally sensitized single-mode polymer microstructure
Optics Letters
|September 22, 2009
Summary
Researchers developed a new wavelength-division (de)multiplexing device using polymer microstructure waveguides. This innovation enhances channel density for optical interconnects and various applications.
Area of Science:
- Photonics and Optical Engineering
- Materials Science
Background:
- Wavelength-division (de)multiplexing (WD(D)M) is crucial for optical communication systems.
- Existing WD(D)M devices face limitations in channel density and substrate compatibility.
Purpose of the Study:
- To fabricate and characterize a novel four-channel WD(D)M device.
- To explore the potential of locally sensitized polymer microstructure waveguides (PMSW's) for WD(D)M applications.
Main Methods:
- Fabrication of a four-channel WD(D)M device using PMSW's operating from 543.0 to 632.8 nm.
- Characterization of device performance, including crosstalk, diffraction efficiency, and bandwidths.
Main Results:
- The WD(D)M device achieved crosstalk below -40 dB and diffraction efficiency above 50%.
- Observed angular and spectral bandwidths of ~0.2-0.4 degrees and ~4-10 nm, respectively.
- Demonstrated suitability for diverse substrates like insulators, semiconductors, conductors, and ceramics.
Conclusions:
- The developed PMSW-based WD(D)M device offers high performance and increased channel density.
- This technology is adaptable for optical computing, signal processing, and communication systems.
