Compact Mach-Zehnder interferometer based on photonic crystal fiber and its application in switchable multi-wavelength fiber laser

Weiguo Chen; Shuqin Lou; Liwen Wang; Honglei Li; Tieying Guo; Shuisheng Jian

doi:10.1117/12.840057

28 October 2009 Compact Mach-Zehnder interferometer based on photonic crystal fiber and its application in switchable multi-wavelength fiber laser

Weiguo Chen, Shuqin Lou, Liwen Wang, Honglei Li, Tieying Guo, Shuisheng Jian

Author Affiliations +

Proceedings Volume 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors; 75140C (2009) https://doi.org/10.1117/12.840057
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

The compact Mach-Zehnder interferometer is proposed by splicing a section of photonic crystal fiber (PCF) and two pieces of single mode fiber (SMF) with the air-holes of PCF intentionally collapsed in the vicinity of the splices. The depedence of the fringe spacing on the length of PCF is investigated. Based on the Mach-Zehnder interferometer as wavelength-selective filter, a switchable dual-wavelength fiber ring laser is demonstrated with a homemade erbiumdoped fiber amplifier (EDFA) as the gain medium at room temperature. By adjusting the states of the polarization controller (PC) appropriately, the laser can be switched among the stable single-and dual -wavelength lasing operations by exploiting polarization hole burning (PHB) effect.

Citation Download Citation

Weiguo Chen, Shuqin Lou, Liwen Wang, Honglei Li, Tieying Guo, and Shuisheng Jian "Compact Mach-Zehnder interferometer based on photonic crystal fiber and its application in switchable multi-wavelength fiber laser", Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 75140C (28 October 2009); https://doi.org/10.1117/12.840057

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KEYWORDS

Fiber lasers

Mach-Zehnder interferometers

Interferometers

Optical amplifiers

Polarization

Single mode fibers

Photonic crystal fibers

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