Experimental investigation of thermal crosstalk in a distributed feedback laser array
- 1 June 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 3 (6) , 501-503
- https://doi.org/10.1109/68.91014
Abstract
Thermal crosstalk between lasers in a distributed feedback laser array has been investigated by measuring the oscillating-wavelength shift. Between closely situated lasers, thermal crosstalk due to lateral heat spreading decreases proportionally to the inverse of the laser distance. Thermal crosstalk due to heating in the heat sink and stem becomes dominant between relatively distant ( approximately 300 mu m) lasers. A diamond heat sink reduces thermal crosstalk to about 1/3 compared to a silicon heat sink.Keywords
This publication has 7 references indexed in Scilit:
- Distributed feedback laser arrays fabricated by synchrotron orbital radiation lithographyIEEE Journal on Selected Areas in Communications, 1990
- Improvement in Thermal Properties of a Multi-Beam Laser Diode ArrayJapanese Journal of Applied Physics, 1989
- Optoelectronic Integration and Its Impact on System ApplicationIEEE Journal on Selected Areas in Communications, 1986
- Heatsink requirements for coherent operation of high-power semiconductor laser arraysIEEE Journal of Quantum Electronics, 1984
- Thermal performance and limitations of silicon–substrate packaged GaAs laser arraysApplied Optics, 1978
- A new technique for measuring the thermal impedance of junction lasersIEEE Journal of Quantum Electronics, 1975
- Thermal resistance of heterostructure lasersJournal of Applied Physics, 1975