Fiber laser thermally tunable by a filter composed of two Sagnac interferometers

被引：14

作者：

Huixtiaca-Cuatecatl, Isaac ^{[1
]}

Beltran-Perez, Georgina ^{[1
]}

Castillo-Mixoatl, Juan ^{[1
]}

Munoz-Aguirre, Severino ^{[1
]}

机构：

[1] Univ Autonoma Puebla, Fac Ciencias Fis Matemat Benemerita, Puebla 72570, Mexico

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2008年 / 44卷 / 1-2期

关键词：

fiber optic laser; Sagnac interferometer; tunable filter;

D O I：

10.1109/JQE.2007.910449

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Many applications, such as fiber Bragg grating characterization, wavelength division multiplexing, etc. require tunable laser sources with one emission line in a certain wavelength range. Generally, such sources are laser systems combined with tunable filters. In this work an all-fiber laser tunable by a filter composed of two Sagnac interferometers in series is described. The filter loops were constructed of high birefringence fibers (HiBiFi) and the filter was thermally tunable with a single transmission maximum in the Erbium gain spectrum. The results showed that for interferometers with 14 cm HiBiFi length a bandwidth reduction of the transmission peak, a single-line laser emission, a tuning sensitivity of approx. -0.8 nm/degrees C and a spectral full-width at half-maximum bandwidth of 0.03 nm in the range of 1538-1580 nm were obtained.

引用

页码：49 / 55

页数：7

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