A simple technique for implementing all-fiber interleaver for DWDM systems

Shenoy, M. R.; Kumar, Naveen; Pal, Bishnu P.

doi:10.1002/mop.21103

Cited by 3 publications

(2 citation statements)

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“…The disadvantage of Mach-Zehnder interferometer was complex production process and the passband of transmission rate was uniform.The output spectrum of the mach-Zehnder interferometer shown as figure 2. The structure of Symmetric chirped Bragg base on fiber grating sagnac loop shown As figure 3.It had equal intervals passband and large operating bandwidth, but some wavelengths of light can not fully reflected at unilateral of symmetrical optical fiber grating, appeared excess modulation shown as figure 4 [1][2][3][4][5][6] . …”

Section: Analysis the Advantages And Disadvantage Of Existing Fober Gmentioning

confidence: 99%

Design and realization of comb filter based on fiber grating with new structure

Zhang

2014

SPIE Proceedings

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Based on Mach-Zehnder interferometer and the Fiber Bragg Grating Sagnac Loop, a new structure of photo-fiber combfilter is designed which can obtain high reflectivity and big reverberation bandwidth. This filter has the advantage of low insertion loss and the equal intervals passband. The quantity and interval of passband can be changed through the length difference of optical fiber and without having to redesign and produce the fiber grating again. Within the range of the craft allows, the reverberation bandwidth of the filter amounts to 5 nm and the reflectivity nears to the 100% which can be widely applied in optical fiber sensors and optical fiber communication fields.

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Section: Analysis the Advantages And Disadvantage Of Existing Fober Gmentioning

confidence: 99%

Design and realization of comb filter based on fiber grating with new structure

Zhang

2014

SPIE Proceedings

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“…Equation (6) substantiates that the optimum values of splitting ratios of the first and third couplers would remain unchanged irrespective ofthe position of the second delay line, while, the splitting ratio of the second coupler would be different in the two alternate cases. When the splitting ratio of the 2nd coupler is more than 50% (i.e.…”

Section: Resultsmentioning

confidence: 76%

Novel design and fabrication recipe for realizing fattop all-fiber wavelength interleaver

Kumar

Shenoy

Pal

Proceedings of CAOL 2005. Second International Conference on Advanced Optoelectronics and Lasers, 2005.

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Flattop response is an important desirable feature of any wavelength selective components that go in a DWDM network. In this paper we report design and fabrication recipe for realizing flattop wavelength response of wavelength interleavers/slicers configured around all-fiber Mach-Zehnder interferometers (MZI). It involves simulation of wavelength response of concatenated MZI's followed by fabrication of the same. We would spell out the simulation details and fabrication recipe with supporting results. The results should be useful in realization of flattop all-fiber wavelength interleavers.

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