Stabilizing LD power in wide temperature range by means of optical filter

Author

Yoo, Jin-Ho ; Chung, Nack-Jin ; Yang, Gil-Ho ; Park, In-Shik

Author_Institution

Optoelectron. Device Lab., LG Cable & Machinery Ltd., Kyungki, South Korea

Volume

2

fYear

1999

fDate

18-22 Oct. 1999

Firstpage

1420

Abstract

We propose an optical power stabilized LD module without APC circuit and monitor PD. It utilizes the temperature dependence of the LD wavelength. With the designed filter, the power penalty is suppressed to 0 dB at full operating temperature range and the optical signal power level reduction is only 1.2 dB at 15/spl deg/C and 0 dB at 70/spl deg/C in 1.3 /spl mu/m InGaAsP/InP FP MQW LD. We also demonstrate the method by means of the fiber-coupler-filter.

Keywords

Fabry-Perot resonators; III-V semiconductors; gallium arsenide; gallium compounds; indium compounds; laser accessories; laser beams; laser cavity resonators; laser stability; optical fabrication; optical filters; optical losses; quantum well lasers; 1.3 mum; 15 C; 70 C; InGaAsP-InP; InGaAsP/InP FP MQW LD; InGaAsP/InP Fabry-Perot multiple quantum well laser diode; designed filter; fiber-coupler-filter; laser diode power; laser diode wavelength; operating temperature range; optical filter; optical power stabilized laser diode module; optical signal power level reduction; power penalty; power penalty suppression; temperature dependence; wide temperature range; Circuits; Indium phosphide; Monitoring; Optical design; Optical fiber filters; Optical filters; Power filters; Signal design; Temperature dependence; Temperature distribution;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference

Conference_Location

Beijing, China

Print_ISBN

7-5635-0402-8

Type

conf

DOI

10.1109/APCC.1999.820539

Filename

820539