Abstract
An integrated optical vertical directional coupler, consisting of a graded-index channel buried waveguide in glass and a dielectric overlayer, is designed and realized to provide an optimum edge coupling to a modelled GaAs photodetector. Calculations of the attenuation coefficient and coupling efficiency show an optimum absorption behavior. The use of the index profile modelling via diffusion equation simulations and a three-dimensional finite-difference vector beam propagation method to simulate the device performance is presented. A comparison between the theoretical and experimental results for coupling length and power transfer ratio is made.
This is a preview of subscription content, log in via an institution.
Buying options
Tax calculation will be finalised at checkout
Purchases are for personal use only
Learn about institutional subscriptionsPreview
Unable to display preview. Download preview PDF.
References
A. Yi-Yan, W.K. Chan, T.J. Gmitter, L.T. Florez, J.L. Jackel, D.M. Hwang, E. Yablonovitch, R. Bhat, and J.P. Harbison, ‘Grafted GaAs detectors on lithium niobate and glass optical waveguides’, IEEE Photon. Technol. Lett., 1:379 (1989).
P.C. Noutsios, G.L. Yip, and J. Albert, ‘Novel vertical directional coupler made by field-assisted ion-exchanged slab waveguides’, Electron. Lett., 28:1340 (1992).
W.K. Chan, A. Yi-Yan, T.J. Gmitter, L.T. Florez, N. Andreadakis, and C.K. Nguyen, ‘Channel glass waveguide detectors with grafted GaAs film in embedded configuration’, Electron. Lett., 27:410 (1991).
P.C. Noutsios and G.L. Yip, ‘Improved vertical directional coupler for optimum edge coupling to an embedded photodetector’, Opt. Lett., 20:2198 (1995).
E. Marom, O.G. Ramer, and S. Ruschin, ‘Relation between normal-mode and coupled-mode analyses of parallel waveguides’, IEEE J. Quantum Electron., 20:1311, (1984).
M.D. Feit, J.A. Fleck, Jr., and L. McCaughan, ‘Comparison of calculated and measured performance of diffused channel-waveguide couplers’, J. Opt. Soc. Amer., 73:1296 (1983).
H.J. Lilienhof, E. Voges, D. Ritter, and B. Pantshew, ‘Field-induced index profiles of multi-mode ion-exchanged strip waveguides’, IEEE J. Quantum, Electron., 18:1877 (1982).
G.L. Yip and J. Albert, ‘Characterization of planar optical waveguides by K+-ion exchange in glass’, Opt. Lett., 10:151 (1985).
G.L. Yip, P.C. Noutsios, and K. Kishioka, ‘Characteristics of optical waveguides made by electric-field-assisted A’+-ion exchange in glass’, Opt. Lett., 15:789 (1990).
P.L. Liu and B.J. Li, ‘Semivectorial beam-propagation method for analyzing polarized modes of rib waveguides’, IEEE J. Quantum Electron., 28:778 (1992).
J. Albert and G.L. Yip, ‘Wide single-mode channels and directional coupler by two-step ion-exchange in glass’, IEEE J. Lightwave Technol, 6:552 (1988).
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1997 Springer Science+Business Media New York
About this chapter
Cite this chapter
Noutsios, P.C., Yip, G.L. (1997). Integrated Optical Channel-Guide Vertical Couplers in Glass for Edge Coupling to Hybrid Photodetectors. In: Lampropoulos, G.A., Lessard, R.A. (eds) Applications of Photonic Technology 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9250-8_75
Download citation
DOI: https://doi.org/10.1007/978-1-4757-9250-8_75
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-9252-2
Online ISBN: 978-1-4757-9250-8
eBook Packages: Springer Book Archive