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Dive into the research topics where R Rabah Hanfoug is active.

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Featured researches published by R Rabah Hanfoug.


IEEE Photonics Technology Letters | 2007

A Compact Integrated Polarization Splitter/Converter in InGaAsP–InP

Lm Luc Augustin; R Rabah Hanfoug; van der Jjgm Jos Tol; de Wjm Laat; Mk Meint Smit

A novel design for an integrated passive polarization splitter/converter combination is presented. The device consists of a Mach-Zehnder interferometer with polarization converters in both arms. The device is analyzed using the transfer matrix method and fabricated in InGaAsP-InP. Measurement results show a splitting ratio of approximately 10 dB and a conversion of >90%. This device can be monolithically integrated with passive and active components.


Journal of Lightwave Technology | 2007

A Single Etch-Step Fabrication-Tolerant Polarization Splitter

Lm Luc Augustin; van der Jjgm Jos Tol; R Rabah Hanfoug; de Wjm Laat; van de Mje Moosdijk; van Pwl Paul Dijk; Ys Yok-Siang Oei; Mk Meint Smit

A tolerant single etch-step passive polarization splitter on InP/InGaAsP is designed and fabricated. The device consists of a directional coupler with a wide and a narrow waveguide. Modal birefringence of the third-order modes for transverse electric (TE) and transverse magnetic (TM) polarizations is employed to selectively couple one polarization. Tapering is applied to increase the tolerances. The devices are characterized, and the measurement results show good agreement with the beam-propagation-method simulations: a splitting ratio larger than 95% for a width range of around 100 nm and over a large wavelength range, covering at least the C-band


IEEE Photonics Technology Letters | 2007

Integrated Parallel Spectral OCDMA En/Decoder

B. Huiszoon; Lm Luc Augustin; R Rabah Hanfoug; L. Bakker; Mjh Sander-Jochem; E.R. Fledderus; G.D. Khoe; J.J.G.M. van der Tol; H. de Waardt; Mk Meint Smit; A.M.J. Koonen

In this letter, a passive integrated device is presented that enables cost-effective parallel encoding and decoding in a spectral amplitude encoded optical code-division multiple-access transmission system. The device is monolithically integrated in InP-InGaAsP. Simulation and experimental results are given


Integrated Photonics Research and Applications/Nanophotonics for Information Systems (2005), paper IWA3 | 2005

Ultrashort polarization converter on InP/InGaAsP fabricated by optical lithography

U Uzma Khalique; Yc Youcai Zhu; van der Jjgm Jos Tol; Lm Luc Augustin; R Rabah Hanfoug; Fh Groen; van Pj René Veldhoven; Mk Meint Smit

A compact, ultra short, integrated polarization converter has been fabricated by optical lithography. Length of the converter is 125 μm, and 325 μm including tapers. Conversion efficiency is higher than 95% and loss is less than 1 dB.


Optical Amplifiers and Their Applications/Integrated Photonics Research (2004), paper JWB19 | 2004

Optical bandwidth of Mach-Zehnder interferometer wavelength converters

R Rabah Hanfoug; Lm Luc Augustin; van der Jjgm Jos Tol; Rg Ronald Broeke; Meint Meint Smit

Comparison of optical bandwidth of a SOA-MZI using 1x2 input couplers to one with 2x2 input couplers is presented. The simulation shows that wider bandwidth can be obtained in case where 2x2 couplers are used.


lasers and electro-optics society meeting | 2006

Novel Building Block for Multiple Encoding and Decoding in Spectral Amplitude Encoded OCDMA

B. Huiszoon; Lm Luc Augustin; R Rabah Hanfoug; L. Bakker; Mjh Sander-Jochem; E.R. Fledderus; G.D. Khoe; Jos J. G. M. van der Tol; H. de Waardt; Mk Meint Smit; A.M.J. Koonen

A novel building block is presented to construct N-stage trees for multiple encoding and decoding by using a single input in spectral amplitude encoded OCDMA. The complete trajectory is discussed from design to successful integration


Electronics Letters | 2006

Reduced reflections from multimode interference couplers

R Rabah Hanfoug; Lm Luc Augustin; Y Yohan Barbarin; van der Jjgm Jos Tol; Eajm Erwin Bente; F. Karouta; D Rogers; S Cole; Ys Yok-Siang Oei; Xjm Xaveer Leijtens; Mk Meint Smit


Archive | 2003

Wavelength conversion with polarisation labelling for rejection and isolation of signals (POLARIS)

R Rabah Hanfoug; van der Jjgm Jos Tol; Lm Luc Augustin; Mk Meint Smit


Archive | 2005

A multimode interference coupler with low reflections

R Rabah Hanfoug; Lm Luc Augustin; Y Yohan Barbarin; J.J.G.M. van der Tol; E.A.J.M. Bente; F. Karouta; D Rogers; Y.S. Oei; X.J.M. Leijtens; Mk Meint Smit; P. Mégret; M. Wuilpart; S. Bette; N. Staquet


Archive | 2005

Design of a single etchstep fabrication-tolerant polarisation splitter

Lm Luc Augustin; van der Jjgm Jos Tol; R Rabah Hanfoug; Mk Meint Smit

Collaboration


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Lm Luc Augustin

Eindhoven University of Technology

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Mk Meint Smit

Eindhoven University of Technology

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van der Jjgm Jos Tol

Eindhoven University of Technology

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J.J.G.M. van der Tol

Eindhoven University of Technology

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Ys Yok-Siang Oei

Eindhoven University of Technology

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Mjh Sander-Jochem

Eindhoven University of Technology

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F. Karouta

Australian National Fabrication Facility

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A.M.J. Koonen

Eindhoven University of Technology

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B. Huiszoon

Eindhoven University of Technology

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E.R. Fledderus

Eindhoven University of Technology

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