Electro-absorption optical modulator and method for fabricating

Details Electro-absorption optical modulator and method for fabricating Electro-absorption optical modulator and method for fabricating

1997-02-07

1998-07-21

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359245, 359276, 359260, 385 2, G02F 103

Patent

active

057841888

ABSTRACT:
An electro-absorption optical modulator, where a waveguide length of the absorption layer is denoted by L, a light confinement coefficient thereof is denoted by .GAMMA., and a performance factor of the absorption layer at an applied voltage V to an absorption layer is denoted by K(V), has design parameters selected so that a relationship .vertline.K(V)-.GAMMA..multidot.L.vertline. .ltoreq.0.005 cm is satisfied in a continuous operation range of a quenching ration T.sub.Att. The waveguide length L is preferably optimizrd so as to satisfy K(V).apprxeq..GAMMA..multidot.L in the operation range.

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patent: 5528413 (1996-06-01), Ishimura
Norbert Linder et al., IEEE Journal of Quantum Electronics, vol. 31, No. 9, Sep. 1995, "Linearity of Double Heterostructure Electroabsorptive Waveguide Modulators."
S. Nakamura et al., Technical Report of the Institute of Electronics, Information and Communication Engineers, OPE 95-142, LQE 95-136, Feb. 15, 1996, "The Low Distortion Design of a MQW-EA Modulator".

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