Properties of single-mode optical planar waveguides with Gaussian index profile

Riviere, L.; Yi‐Yan, A.; Carru, H.

doi:10.1109/jlt.1985.1074181

Cited by 7 publications

(3 citation statements)

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“…For the symmetric twoelectrode structure with the gap g and width h, they are (14) where Im φ ( ζ '; Re Φ(ζ'; g, h)/K(k),…”

Section: Electric Field Distributionmentioning

confidence: 99%

“…The mode field distribution has been calculated using the effective-index method. For the depth distribution, the approximate explicit expressions of [14] have been used. The lateral distribution of both modes in channel and double-channel waveguides have been numerically computed by the rigorous method of transversal resonance as described in [15].…”

Section: Electric Field Distributionmentioning

confidence: 99%

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Voltage-Length Product of X and Z-Cut Ti: LiNbO3 Directional Coupler and BOA Switches: A Comparison

Čtyroký¹

1986

Journal of Optical Communications

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The results of the detailed numerical analysis of the voltage-length product of Ti:LiNbO 3 X and Z-cut directional couplers and BOA (or X) switches for λ = 1.3 um are presented. For low-frequency switching, the X-cut devices have been found to have comparable switching voltages, substantially lower than their Z-cut counterparts. For high-frequency applications, both switches with two electrodes, namely the X-cut BOA and the Z-cut directional coupler, exhibit approximately equal voltagelength products.

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“…For the symmetric twoelectrode structure with the gap g and width h, they are (14) where Im φ ( ζ '; Re Φ(ζ'; g, h)/K(k),…”

Section: Electric Field Distributionmentioning

confidence: 99%

Section: Electric Field Distributionmentioning

confidence: 99%

Voltage-Length Product of X and Z-Cut Ti: LiNbO3 Directional Coupler and BOA Switches: A Comparison

Čtyroký¹

1986

Journal of Optical Communications

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“…In contrast, (17) contains essentially the monomials II, and 112, and thus the numerical values of e, can be directly related to the actual characteristic parameters of the waveguide and, consequently, to the design variables.…”

Section: Introductionmentioning

confidence: 99%

Similarity rules for nonlinear Kerr-like slab optical waveguides

Torner

Torres

1992

IEEE J. Quantum Electron.

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Abstract-We have shown that the stationary waveguiding properties of TE guided waves in a slab optical waveguide with a nonlinear Kerr-like bounding medium can be described in a compact way by means of the usual normalized effective modal index (h) and a set of only four independent normalized parameters: the well-known normalized thickness ( V ) and asymmetry measure (a) of the waveguide, the generalized aspect ratio between film, and substrate refractive indexes and a new guided power measure. From an analysis starting on Buckingham's n-theorem, we have investigated the similarity rules existing between the above waveguiding structures. Allowed and forbidden regions in the {b, V , a}-space in order that a stationary guided solution exists, have been recognized and classified, with the marginal loci separating different regions being a function of only V and a . As a further application of the normalized parameters, we focus on the cutoff properties of the TEO guided wave. Both self-focusing and self-defocusing bounding media have been considered.

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