Optimization of RF Electrodes for Electro-Optic Modulator Based on Quantum-Confined Stark Effect

Yunusov, Igor; Arykov, Vadim S.; Stepanenko, Mikhail; Troyan, P. E.

doi:10.1109/edm.2019.8823509

Cited by 1 publication

(3 citation statements)

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“…The maximal frequency of the EO conversion f 3dBeo was chosen to be 40 GHz. The values of P = 150 µm [21], C µ pin = 192 pF/m [22], and |S 21 | 1 = 0.923 were obtained for this particular TWE design and the specified value of f 3dBeo .…”

Section: Input Parameter Limitsmentioning

confidence: 78%

“…The difference between the output and input light wave phases ∆ϕ for a single section of the internal electrodes is found from ∆n WG using (21).…”

Section: Refractive Index Controlmentioning

confidence: 99%

“…This frequency is used as the reference requirement for the calculation of the two TWE parameters that are used directly in the algorithm described below. The first is the TWE internal electrode period P; the optimization of this parameter for a 40 GHz EO conversion frequency is given in [21]. The second is the maximal electrical signal loss in the single TWE section |S 21 | 1 .…”

Section: Target Eom Parameter Calculation Algorithmmentioning

confidence: 99%

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Multi-Parameter Optimization of an InP Electro-Optic Modulator

et al. 2020

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In this article, a method for indium phosphide (InP) electro-optic modulator (EOM) optimization is introduced. The method can be used for the design and analysis of an EOM based on the Mach-Zehnder interferometer (MZI) design. This design is based on the division of the input optical signal into two optical paths and then, after processing, it combines the light into a single waveguide. The symmetry of the structure can provide state-of-the-art EOM characteristics with a push-pull control signal. Using a traveling wave electrode (TWE) design as a starting point, the authors varied the heterostructure design and optical waveguide parameters to obtain the optimal values of initial optical loss, evenness of the initial optical loss in the operating wavelength range, and the extinction ratio and length of the modulator arm. The key features of the proposed optimization method include the following: all independent input parameters are linked into a single system, where the relationship between the electrical and optical parameters of the modulator is realized; all physically realizable combinations of the input parameters are available for analysis; and EOM optimization is possible for one target parameter or for a group of target parameters. The results of the EOM optimization using the described method are presented.

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Section: Input Parameter Limitsmentioning

confidence: 78%

“…The difference between the output and input light wave phases ∆ϕ for a single section of the internal electrodes is found from ∆n WG using (21).…”

Section: Refractive Index Controlmentioning

confidence: 99%

Section: Target Eom Parameter Calculation Algorithmmentioning

confidence: 99%

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