Compensated laser structure for analog communication application

Details Compensated laser structure for analog communication application Compensated laser structure for analog communication application

1991-10-22

1993-08-31

Davie, James W.

Coherent light generators

Particular component circuitry

Optical pumping

372 46, H01S 319

Patent

active

052415520

ABSTRACT:
A laser diode structure including compensating elements for improving the linearity of the laser response, of particular concern for broadband analog applications. The compensation comprises voltage-dependent elements which are incorporated to correct for the presence of parasitic, voltage-dependent resistive and capacitive elements associated with the laser diode junction. These parasitic elements have been found to be a cause of the laser's nonlinear L-I relationship. By careful choice of the bias voltages supplied to the compensating elements, the nonlinearity due to the presence of the parasitic elements may be minimized. In particular, a combination of a voltage-dependent resistance and voltage-dependent capacitance may be utilized.

REFERENCES:
patent: 4101847 (1978-07-01), Albanese
patent: 5012484 (1991-04-01), Flynn et al.
patent: 5020049 (1991-05-01), Bodeep et al.
patent: 5034334 (1991-07-01), Flynn et al.

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