Optical module

Optical waveguides – Temporal optical modulation within an optical waveguide

Reexamination Certificate

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Details

Other Related Categories

C385S002000, C385S008000, C385S129000

Type

Reexamination Certificate

Status

active

Patent number

11148906

Description

ABSTRACT:
Provided is an optical module including a microstrip line, a traveling wave type optical device positioned in the end of the microstrip line, and at least one balanced open stub connected to the microstrip line for the impedance matching at a specific frequency such as 40 GHz and 60 GHz. For the fine tuning, laser trimming can be applied to the stub. A transition region is formed between the optical device and the microstrip line. A termination resistor is formed to face the microstrip line with the optical device therebetween. A bandwidth can be controlled at a specific frequency by adjusting a number of the stubs or a value of the termination resistor.

REFERENCES:
patent: 6101295 (2000-08-01), Mineo et al.
patent: 6323986 (2001-11-01), Lee et al.
patent: 6677830 (2004-01-01), Miller, Jr. et al.
patent: 7023599 (2006-04-01), Kato
Ultra Wide-Band Electroabsorption Modulator Modules For DC To Millimeter-Wave Band, Mineo et al. 2001 IEEE (Institute of Electrical and Electronics Engineers) M-2.4, pp. 9-12.

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