Monolithic waveguide-based smart pixel operating at 120 Mb/s

We report on the dynamic operation characteristics of a novel monolithic waveguide-based smart pixel. In this smart pixel, two surface-normal optical input beams control an optical output beam propagating in-plane through a waveguide modulator. For the operation, only DC biases of about 5 V are requ...

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Bibliographic Details
Published in:IEEE photonics technology letters 1997-01, Vol.9 (1), p.97-99
Main Authors: Knupfer, B., Muller, N., Welker, M., Dankowski, S.U., Hilburger, U., Kiesel, P., Kneissl, M., Dohler, G.H.
Format: Article
Language:English
Subjects:
Bit rate
Optical beams
Optical control
Optical devices
Optical modulation
Optical propagation
Optical surface waves
Optical waveguides
Smart pixels
Surface waves
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Summary:We report on the dynamic operation characteristics of a novel monolithic waveguide-based smart pixel. In this smart pixel, two surface-normal optical input beams control an optical output beam propagating in-plane through a waveguide modulator. For the operation, only DC biases of about 5 V are required. We achieve a bit rate in excess of 120 Mb/s and an optical gain of 4.1 with devices of relatively large area. To obtain these figures-of-merit an optical input energy of 1.4 pJ (corresponding to 1.55 fJ/μm 2 ) is required. The output contrast ratio is as great as 11.8 dB.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.554513