Tunable multiwavelength fiber lasers and their applications

Jin Ung Kang; Raymond M. Sova; Chang-Seok Kim

doi:10.1117/12.461647

5 April 2002 Tunable multiwavelength fiber lasers and their applications

Jin Ung Kang, Raymond M. Sova, Chang-Seok Kim

Proceedings Volume 4645, Rare-Earth-Doped Materials and Devices VI; (2002) https://doi.org/10.1117/12.461647
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

We summarize our recent work on the development of multi-wavelength fiber lasers. The multi-wavelength fiber laser is constructed by all-fiber components and capable of continuous tuning in absolute wavelength and discrete tuning in wavelength spacing. One of the key components of the multi-wavelength fiber laser is a novel fiber comb filter. First, we will discuss the novel fiber comb filters based on fiber Lyot and Sagnac filters. Second, we will discuss multi-segment all-PM fiber ring lasers based on the fiber comb filters to demonstrate the concept of tunable multi-wavelength laser sources with continuous tuning in absolute wavelength and discrete tuning in wavelength spacing. The tuning method is based on birefringence filtering properties of a segmented all-PM fiber ring resonator. Based on this method, we show a discrete wavelength spacing of dual-wavelength output from 0.9 to 2.5 nm and continuous wavelength tuning over 10 nm. The demonstrated lasers can be easily modified to tune over a greater wavelength spacing and absolute wavelength range.

Citation Download Citation

Jin Ung Kang, Raymond M. Sova, and Chang-Seok Kim "Tunable multiwavelength fiber lasers and their applications", Proc. SPIE 4645, Rare-Earth-Doped Materials and Devices VI, (5 April 2002); https://doi.org/10.1117/12.461647

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KEYWORDS

Fiber lasers

Phase modulation

Optical filters

Linear filtering

Birefringence

Wave plates

Wavelength tuning

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