Tunable microwave generation of a monolithic dual-wavelength distributed feedback laser

Yen Hua Lo, Yu Chang Wu, Shun Chieh Hsu, Yi Chia Hwang, Bai Ci Chen, Chien-Chung Lin

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

The dynamic behavior of a monolithic dual-wavelength distributed feedback laser was fully investigated and mapped. The combination of different driving currents for master and slave lasers can generate a wide range of different operational modes, from single mode, period 1 to chaos. Both the optical and microwave spectrum were recorded and analyzed. The detected single mode signal can continuously cover from 15GHz to 50GHz, limited by photodetector bandwidth. The measured optical four-wave-mixing pattern indicates that a 70GHz signal can be generated by this device. By applying rate equation analysis, the important laser parameters can be extracted from the spectrum. The extracted relaxation resonant frequency is found to be 8.96GHz. With the full operational map at hand, the suitable current combination can be applied to the device for proper applications.

Original languageEnglish
Pages (from-to)13125-13137
Number of pages13
JournalOptics Express
Volume22
Issue number11
DOIs
StatePublished - 1 Jan 2014

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