An efficient inverse scattering algorithm for the design of nonuniform fiber Bragg gratings

Feced, R.; Zervas, M.N.; Muriel, Miguel A.

doi:10.1109/3.777209

Cited by 303 publications

(147 citation statements)

References 33 publications

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“…On the other hand, since the optimized device operation relies on grating-assisted coupling, the spectral and dispersion characteristics of the "drop" and "add" channels are replicas of the grating counterparts. In that respect, the OADM characteristics can be fully tailored by using recent advanced design algorithms [34].…”

Section: Discussionmentioning

confidence: 99%

Design considerations in optical add/drop multiplexers based on grating-assisted null couplers

Riziotis

Zervas

2001

J. Lightwave Technol.

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Abstract-The performance of a fully optimized optical add/drop multiplexer (OADM), based on null couplers and tilted Bragg gratings, is studied in detail. It is shown that maximization of the device performance involves three main optimization steps. First, the waveguide asymmetry ( 2 1 ratio) should be optimized in order to minimize the extinction ratio of the unwanted mode at the null coupler waist. Second, the coupler taper shape should be optimized in order to further minimize the aforementioned extinction ratio. Third, the grating tilt angle and relative width can be also optimized to give negligible backreflections at the input port and minimize radiation losses. The results show that the proposed high-performance OADM configuration can meet the stringent telecom specifications.

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Section: Discussionmentioning

confidence: 99%

Design considerations in optical add/drop multiplexers based on grating-assisted null couplers

Riziotis

Zervas

2001

J. Lightwave Technol.

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“…Since the structure of apodized FBGs is more complicated than that of uniform FBGs, there are many methods presented to explore the performance of apodized FBGs [14][15][16][17]. In this paper, we use CMT to analyze apodized FBGs.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Apodized Fiber Bragg Gratings Using Coupled Mode Theory

Sun¹,

Liau²,

Kiang³

et al. 2009

PIER

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Abstract-In this paper, the coupled mode theory is used to analyze apodized fiber Bragg gratings (FBGs). Since the profile of gratings varies with the propagation distance, the coupled mode equations (CMEs) of apodized FBGs are solved by the fourth-order Runge-Kutta method (RKM) and piecewise-uniform approach (PUA). We present two discretization techniques of PUA to analyze the apodization profile of gratings. A uniform profile FBG can be expressed as a system

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“…Commercial grating-design software from Attolight Corporation was used to design a superstructured FBG tailored to the requirements given above. The software implements a full time-domain layer-peeling algorithm [18] and gives the index-modulation profile |δn| to be imprinted onto the fiber. The interchip spacing was increased from 0.25 to 0.38 nm to compensate for the spectral broadening introduced by the SOA; the maximum chip spacing was limited to the tuning range of our encoder gratings.…”

Section: Minimizing Spectral Filteringmentioning

confidence: 99%

Feasibility Study of SOA-Based Noise Suppression for Spectral Amplitude Coded OCDMA

McCoy

Ibsen

Horák

et al. 2007

J. Lightwave Technol.

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Abstract-We investigate the benefits of employing a saturated semiconductor optical amplifier (SOA) to reduce the optical noise in an incoherent light optical code division multiple access (OCDMA) system. In the context of spectrum slicing, SOA-based noise suppression has shown significant potential in enhancing the signal quality of noisy light. In this paper, we evaluate the viability of the technique for spectral amplitude coded OCDMA and show that the benefits of SOA-based noise suppression do not extend readily to this application due to post-SOA opticalfiltering effects at the receiver. However, appreciable performance improvements can in principle be realized through optimized system and decoder design.Index Terms-Optical code division multiple access (OCDMA), optical noise, semiconductor optical amplifier (SOA).

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An efficient inverse scattering algorithm for the design of nonuniform fiber Bragg gratings

Cited by 303 publications

References 33 publications

Design considerations in optical add/drop multiplexers based on grating-assisted null couplers

Design considerations in optical add/drop multiplexers based on grating-assisted null couplers

Numerical Analysis of Apodized Fiber Bragg Gratings Using Coupled Mode Theory

Feasibility Study of SOA-Based Noise Suppression for Spectral Amplitude Coded OCDMA

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