Stabilizing DOP and ellipticity of a grating coupled WTL with A‐D‐A SOP feedback‐control circuit | Zendy

Hsu YuChia | Zendy; Chiu JianLin | Zendy; Tsao ShyhLin | Zendy

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Stabilizing DOP and ellipticity of a grating coupled WTL with A‐D‐A SOP feedback‐control circuit

Author(s) -

Hsu YuChia,

Chiu JianLin,

Tsao ShyhLin

Publication year - 2005

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.20924

Subject(s) - microwave , grating , polarization (electrochemistry) , laser , optics , wavelength , materials science , optoelectronics , distributed feedback laser , physics , engineering , telecommunications , chemistry

We demonstrate that an external‐cavity‐grating‐based wavelength tunable laser (WTL) can successfully operate at a stable power level with ellipticity and degree of polarization (DOP) under control. The variation range of the DOP can be improved from 65% to 15%. The ellipticity fluctuation can also be reduced by 30° in order to achieve high polarization quality for a wavelength tunable laser (WTL) source. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 139–141, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20924

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