Low Loss Star Coupler Concept for AWGs in Rib Waveguide Technology

Schnarrenberger, M.; Zimmermann, Lars; Mitze, T.; Voigt, K.; Bruns, J.; Petermann, K.

doi:10.1109/lpt.2006.886849

Cited by 3 publications

(2 citation statements)

References 7 publications

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“…MUX design will be based on 4 µm SOI rib waveguide technology. Previous results show that low-loss designs are possible in this technology using spot-size conversion at the transition between the waveguide and the free propagation region of the star-coupler [19].…”

Section: Soi Awg Multiplexermentioning

confidence: 96%

The European BOOM Project: Silicon Photonics for High-Capacity Optical Packet Routers

Stampoulidis

Vyrsokinos

Voigt³

et al. 2010

IEEE J. Select. Topics Quantum Electron.

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Document VersionPublisher's PDF, also known as Version of Record (includes final page, issue and volume numbers)Please check the document version of this publication:• A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication Citation for published version (APA):Stampoulidis, L., Vyrsokinos, K., Voigt, K., Zimmermann, L., Gomez-Agis, F., Dorren, H. J. S., ... Riccardi, E. (2010). The European BOOM project :silicon photonics for high-capacity optical packet routers. IEEE Journal of Selected Topics in Quantum Electronics, 16(5), 1422-1433. DOI: 10.1109/JSTQE.2009 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Abstract-During the past years, monolithic integration in InP has been the driving force for the realization of integrated photonic routing systems. The advent of silicon as a basis for costeffective integration and its potential blend with III-V material is now opening exciting opportunities for the development of new, high-performance switching and routing equipment. Following this rationale, BOOM-as a European research initiative-aims to develop compact, cost-effective, and power-efficient silicon photonic components to enable optical Tb/s routers for current and new generation broadband core networks. This "siliconization" of photonic routers is expected to enable ultrahigh bit rates as well as higher levels of integration and power efficiency. The BOOM "device portfolio" includes all-optical wavelength converters, ultradense wavedivision multiplexing (UDWDM) photodetectors, and high-speed transmitters; all based on silicon waveguide substrates. Here, we present the device concepts, the fabrication of photonic building blocks and the experiments carried out as the initial steps toward the realization of the first high-capacity silicon pho...

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Section: Soi Awg Multiplexermentioning

confidence: 96%

The European BOOM Project: Silicon Photonics for High-Capacity Optical Packet Routers

Stampoulidis

Vyrsokinos

Voigt³

et al. 2010

IEEE J. Select. Topics Quantum Electron.

Self Cite

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“…It may require additional structures introduced for the suppression of the scattering at the star coupler boundary for the low-loss single-mode operation, in order to obtain low insertion loss and crosstalk. There has been a report on a Si-AWG using relatively long inverse-tapered arrayed WGs with a single-etched structure at the boundary of a star coupler [23], which showed the side lobes due to the phase error caused by an optical mode coupling between adjacent arrayed WGs.…”

Section: Introductionmentioning

confidence: 99%

Low-loss single-mode operation in silicon multi-mode arrayed waveguide grating with a double-etched inverse taper structure

Park¹,

Kwack²,

Joo³

et al. 2017

J. Opt.

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We investigate the single-mode operation in a silicon arrayed multi-mode waveguide grating. By introducing a double-etched structure at the boundary of a star coupler with inverse-tapered waveguides (WGs), the suppression of the mode-coupling between adjacent arrayed multi-mode WGs, and the adiabatic optical mode conversion between a FPR (free propagation region) and arrayed WGs can be achieved with a reduced phase error of the arrayed WGs. The fabricated four-channel Si arrayed waveguide grating (AWG) demonstrates a good performance level, such as a low insertion loss of 0.61 dB (0.73 dB) and low adjacent crosstalk less than −31.3 dB (−32.2 dB) for transverse-electric (TE) (transverse-magnetic, TM) polarization, in the range of ∼1300 nm wavelength.

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Efficient fiber-to-chip grating coupler for micrometric SOI rib waveguides

Alonso‐Ramos¹,

Ortega‐Moñux²,

Molina-Fernández³

et al. 2010

Opt. Express

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Grating couplers are an efficient means for fiber to chip coupling, as they require no facet preparation and enable wafer scale testing. While grating couplers are commonly used in silicon wire waveguides, their application to micrometric silicon-on-insulator rib waveguides is complicated due to the presence of high-order Bloch modes. We study the Bloch modes behavior and their excitation determined by access waveguide design. The latter is implemented to enable single Bloch mode excitation. The use of a design process based on modal analysis is proposed. A grating coupler is proposed in silicon-on-insulator with 1.5 microm thick silicon layer that achieves a coupling efficiency of 65.6% at 1.55 microm. The structure, including interconnection waveguides, access waveguide and grating can be fabricated using a single lithography step.

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Low Loss Star Coupler Concept for AWGs in Rib Waveguide Technology

Cited by 3 publications

References 7 publications

The European BOOM Project: Silicon Photonics for High-Capacity Optical Packet Routers

The European BOOM Project: Silicon Photonics for High-Capacity Optical Packet Routers

Low-loss single-mode operation in silicon multi-mode arrayed waveguide grating with a double-etched inverse taper structure

Efficient fiber-to-chip grating coupler for micrometric SOI rib waveguides

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