University of California

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Presentation transcript:

University of California Integrated Optical Wavelength Converters and Advanced Structures for WC Laterally Tapered Structures for wideband WC X. Yan Traveling Wave EAMs for Reduced Power and WC H. F. Chou University of California Santa Barbara, CA 93106 Tel: (805) 893-4168; Email: danb@ece.ucsb.edu

Advances Needed Broadband splitters Windows for lower reflection Mode converters for lower loss Low voltage, high speed modulators Integrated Wavelength Converters

Low Voltage Modulators -70 -60 -50 -40 -30 -20 -10 1 2 3 4 5 6 7 8 300 m device 400 700 mm TE polarization TM polarization l = 1555 nm Reverse Bias (V) Transmission (dB) QCSE for low voltage Traveling Wave for low voltage

Traveling Wave EAMs Bias (V) Transmission (dB) TE TM PMGI bridge Waveguide n-contact p-contact CPW feedline 20 dB Change in 0.7 V: Good for Wavelength Conversion

40 GHz Frequency Response End View Ground 3 dB Waveguide Input CPM line Output CPM line