Optical phase-modulating devices and methods for their operation

Details Optical phase-modulating devices and methods for their operation Optical phase-modulating devices and methods for their operation

1993-07-15

1994-11-08

Lee, John D.

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

385 14, 385 2, G02B 2606

Patent

active

053634578

ABSTRACT:
A semiconductor-based optical phase-modulating device has first and second pairs of phase-fixing electrodes bracketing a pair of phase-modulating electrodes. The phase-fixing electrodes fix electric fields across end regions of the phase-modulating device to reduce distributed resistance and capacitance of the phase-modulating device, thereby improving the frequency response of the phase-modulating device. The optical phase-modulating device is particularly applicable to use in integrated optic Mach-Zehnder interferometers used for optical signal modulation.

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"Optimization of Strongly Guiding Semiconductor Rib Waveguide Y-Juntions", Rolland, et al., IEEE Photonics Technology Letters, vol. 2, No. 6, Jun. 1990.

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