Analysis of integrated optical directional coupler array architecture for optical computing

2000 ◽  
Author(s):  
Talabuttala Srinivas ◽  
Ananth Selvarajan ◽  
D. P. Anil kumar
Keyword(s):  
Directional Coupler ◽  
Optical Computing ◽  
Array Architecture ◽  
Integrated Optical

Guest Editors'Introduction: Integrated Optical Computing

Computer ◽  
1987 ◽  
Vol 20 (12) ◽  
pp. 7-8
Author(s):  
Batchman ◽  
Parrish
Keyword(s):  
Optical Computing ◽  
Integrated Optical

Integrated optical readout using a hybrid plasmonic directional coupler in water

2017 ◽  
Vol 56 (25) ◽  
pp. 7230
Author(s):  
Ruo-Zhou Li ◽  
Ying Yu ◽  
Xiao-Yang Zhang ◽  
Tong Zhang
Keyword(s):  
Directional Coupler ◽  
Optical Readout ◽  
Integrated Optical

Integrated-optical directional coupler biosensor

1996 ◽  
Vol 21 (8) ◽  
pp. 618 ◽  
Author(s):  
B. J. Luff ◽  
R. Wilson ◽  
D. J. Schiffrin ◽  
R. D. Harris ◽  
J. S. Wilkinson
Keyword(s):  
Directional Coupler ◽  
Integrated Optical

MODELING AND DESIGN OF REALISTIC Si3N4-BASED INTEGRATED OPTICAL PROGRAMMABLE POWER SPLITTER

2010 ◽  
Vol 19 (02) ◽  
pp. 255-268
Author(s):  
H. P. URANUS ◽  
H. J. W. M. HOEKSTRA ◽  
R. STOFFER
Keyword(s):  
Phase Shift ◽  
Directional Coupler ◽  
Phase Shifter ◽  
Optical Power ◽  
Power Splitting ◽  
Device Structure ◽  
Power Splitter ◽  
Splitting Ratio ◽  
Integrated Optical ◽  
Mode Solver

Controllable splitting of optical power with a large splitting ratio range is often required in an integrated optical chip, e.g. for the readout of phase-shift in a slow-light sensor. In this work, we report the modeling and design of an integrated optical programmable power splitter consisting of a Y-junction with a programmable phase-shifter cascaded to a directional coupler. We used a vectorial mode solver, and a combination of a transfer matrix method with a 3D vectorial coupled-mode theory (CMT) to compute the power transfer ratio of a realistic device structure made of Si 3 N 4, TEOS, and SiO 2 grown on a Si substrate. In the simulations, waveguide attenuation values derived from the measured attenuation of a prefabricated test wafer, have been taken into account. Vectorial modal fields of individual waveguides, as computed by a mode solver, were used as the basis for the CMT computation. In the simulation, an operational wavelength around 632.8 nm was assumed. Our simulations reveal that maximum power splitting ratio can be achieved when the directional coupler is operated as a 3-dB coupler with the phase-shifter set to produce a 90° phase-shift. The required coupler length for such desired operating condition is highly-dependent on the gap size. On the other hand, the inclusion of the waveguide loss and the non-parallel section of the directional coupler into the model only slightly affect the results.

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