Design of ridge waveguide couplers with carrier injection using discrete spectral index method

Burke, S.V.; Adams, M.J.; Kendall, P.C.; Robson, P.N.; Rees, G.J.

doi:10.1049/el:19920532

Cited by 12 publications

(2 citation statements)

References 5 publications

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“…The Si film and buried oxide thicknesses correspond to the values of a multi-implanted SIMOX (supplied by SOITEC Grenoble). Thus, the twodimensional refractive index change profile could be determined using (14) and the effective index change is given by the following overlap integral obtained using a perturbation analysis [25]: (16) We have plotted on Fig. 6 the calculated effective index change for the fundamental mode as a function of the current density in the Si film layer.…”

Section: Effective Index Modulationmentioning

confidence: 99%

Numerical simulation of a silicon-on-insulator waveguide Fabry-Perot interferometer for intensity light modulators at 1.3 μm

Vonsovici

Orobtchouk

Köster

1997

J. Lightwave Technol.

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We present a new silicon-on-insulator (SOI) integrated optics structure to be used as an intensity light modulator at 1.3 m. The device consists of a waveguide Fabry-Perot interferometer. In association with a grating coupler this device could function as a spatial light modulator or a reflective-mode modulator. The Fabry-Perot reflectivity is tuned by free-carrier injection from a forward-biased lateral P + /N 0 /N + diode. Consequently, the reflected back guided-mode has an intensity that is a function of the effective index modulation in the central waveguide of the Fabry-Perot. Our numerical simulation reveals that such a structure could function for current densities not exceeding 500 A/cm 2 , with a cutoff frequency of 100 MHz. This new type of device is compatible with the mature silicon technology and could replace in applications the standard liquidcrystal spatial light modulators or for fiber-to-the-home intensity modulators.

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Section: Effective Index Modulationmentioning

confidence: 99%

Numerical simulation of a silicon-on-insulator waveguide Fabry-Perot interferometer for intensity light modulators at 1.3 μm

Vonsovici

Orobtchouk

Köster

1997

J. Lightwave Technol.

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“…Such parameters are necessarily device dependent, and for the distributed feedback (DFB) rib laser diode chosen for study here, quantum well filling factor r and grating coupling to the design of any DFB laser diode, and similarly modeprofile-dependent parameters can be found when calculating modes for other optical devices. Using and K as well as nmode as the metric, it will be shown that the SIM combines the speed and simplicity of a semianalytical technique with the accuracy of a numerical technique into a method that is a powerful tool for designing laser diodes, channel dropping filters [15], and other complex rib waveguide devices [16].…”

Section: Introductionmentioning

confidence: 99%

Application of the spectral index method to laser diode design

Martin

Chen

Fonstad

et al. 1995

J. Lightwave Technol.

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Abstruct-The spectral index method (SIM) is compared to the effective index method (EIM) and the beam propagation method (BPM) for the calculation of the optical mode index and mode profile in a prototypical distributed feedback (DFB) rib waveguide laser diode. Modal index is shown to be insufficient as a metric of comparison, so in addition to Tamode, the quantum well filling factor r and grating coupling coefficient K are included in the metric for comparison. SIM is found to yield superior results to EIM and to give results comparable to BPM almost two orders of magnitude faster.

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Planar waveguide analysis by the spectral index method. I: Rib and uniformly buried waveguides

1993

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Design of ridge waveguide couplers with carrier injection using discrete spectral index method

Cited by 12 publications

References 5 publications

Numerical simulation of a silicon-on-insulator waveguide Fabry-Perot interferometer for intensity light modulators at 1.3 μm

Numerical simulation of a silicon-on-insulator waveguide Fabry-Perot interferometer for intensity light modulators at 1.3 μm

Application of the spectral index method to laser diode design

Planar waveguide analysis by the spectral index method. I: Rib and uniformly buried waveguides

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