Reset-free phase shifter in a Sagnac-type interferometer for control of chirp and apodization of Bragg gratings

Knothe, Christian; Brinkmeyer, E.

doi:10.1364/bgpp.2003.tub3

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…Once the FBG target spectrum and group-delay profile are obtained, it is relatively straightforward to calculate an FBG design that can be implemented into the optical fibre by using an inverse scattering algorithm [24]- [26]. The FBGs are fabricated by using a holographic writing method [27], where a computer electronically controls the FBG phase and amplitude and does not require a custom-made phase mask. Hence, it is even possible to fabricate NC FBGs for each individual DFB laser in larger volumes at a low cost (as there is no need for a custom-made phase mask), if the nonlinear chirp is different from laser to laser.…”

Section: Grating Fabricationmentioning

confidence: 99%

Optimized pulse source employing an externally injected gain-switched laser diode in conjunction with a nonlinearly chirped grating

Anandarajah

Guignard

Clarke

et al. 2006

IEEE J. Select. Topics Quantum Electron.

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Abstract-In this paper, we demonstrate the generation of transform-limited short optical pulses, which display excellent spectral and temporal qualities by employing a novel technology, based on an externally injected gain-switched laser in conjunction with a nonlinearly chirped grating. Using this technique, 3.5-ps optical pulses exhibiting a time-bandwidth product (TBP) of 0.45 are generated, which are suitable for use in high-speed 80 Gb/s optical time-division multiplexing (OTDM) communications systems. The numerical integration of a set of rate equations using suitable parameters for the devices used in the experiments were carried out to further confirm the feasibility of the proposed method for developing an optimized pulse source for high-speed photonic systems.

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Section: Grating Fabricationmentioning

confidence: 99%

Optimized pulse source employing an externally injected gain-switched laser diode in conjunction with a nonlinearly chirped grating

Anandarajah

Guignard

Clarke

et al. 2006

IEEE J. Select. Topics Quantum Electron.

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“…One option is the use of consecutive subgratings made by continuously moving fringe patterns [18]- [22]. Another is the Sagnac interferometer with an integrated phase shifting element [23], [24], where chirp rates of 0.48 nm/cm are achieved. CFBGs with an interferometer setup were also realized through lenses placed inside of the interferometer arms [22], [25] or with the usage of a prism spectrometer [26].…”

Section: Introductionmentioning

confidence: 99%

Chirped Phase Mask Interferometer for Fiber Bragg Grating Array Inscription

Becker

Elsmann

Latka

et al. 2015

J. Lightwave Technol.

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We present a phase mask inscription technique with two beam interferometry using a lateral nonhomogeneous beam splitter to create gratings with nonhomogeneous periods, the socalled chirped fiber Bragg gratings. Inscription experiments with deep ultraviolet excimer and femtosecond laser sources reveal how this inscription method depends on the coherence properties of the inscription laser. Nonhomogeneous beam splitters are shown to provide a method to generate chirped fiber Bragg gratings with great wavelength versatility, even with the ultraviolet femtosecond laser.

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Active and tunable waveguide devices based on silicon and silica for use in optical communication systems

et al. 2010

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Some specific aspects of design, fabrication, application and characterization of selected waveguide devices for optical communication systems will be addressed in this paper ranging from familiar components like Bragg gratings to emerging devices exploiting stimulated Raman scattering in silicon. In particular, we will focus on fiber-optical and planar waveguide components for adaptive dispersion compensation, Raman-based amplifying and nonreciprocal devices in silicon and useful respective characterization techniques.

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Reset-free phase shifter in a Sagnac-type interferometer for control of chirp and apodization of Bragg gratings

Cited by 3 publications

References 5 publications

Optimized pulse source employing an externally injected gain-switched laser diode in conjunction with a nonlinearly chirped grating

Optimized pulse source employing an externally injected gain-switched laser diode in conjunction with a nonlinearly chirped grating

Chirped Phase Mask Interferometer for Fiber Bragg Grating Array Inscription

Active and tunable waveguide devices based on silicon and silica for use in optical communication systems

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