Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
66 (1989), S. 2200-2205
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A new structure of planar waveguide directional coupler/switch composed of layered GaAs/AlGaAs is proposed and analyzed. This new configuration maximizes the change of coupling between adjacent guides while retaining their phase synchronism. This scheme provides, theoretically, a depth of modulation of 100%, a smaller device length with low drive power requirement, and an ability to compensate for dimensional offset by simple voltage tuning. Most importantly, this design is monolithically integrable with heterojunction laser sources. Projected operation limited by phase mismatch of the electrical and optical signals is above 12 GHz and a power per unit bandwidth of 280 μW/MHz is expected.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.344318
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