Si &lt;sub&gt;3&lt;/sub&gt;N &lt;sub&gt;4&lt;/sub&gt;-Based Integrated Optical Analog Signal Processor and Its Application in RF Photonic Frontend

Yu, Hui; Chen, Minghua; Guo, Qiang; Hoekman, Marcel; Chen, Hongwei; Leinse, Arne; Heideman, René; Mateman, Richard; Yang, Sigang; Xie, Shizhong

doi:10.1109/jphot.2015.2471084

Cited by 9 publications

(4 citation statements)

References 26 publications

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“…Yu et al [75] recently presented another design of a highly selective filter in TriPleX, using a serial cascade of three MZIs with different inter-arm delays as shown in Figure 11. This design allows for easy configuration of the filter passband as each MZI can be controlled independently.…”

Section: Mhz-band Frequency Selectivitymentioning

confidence: 99%

Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity

et al. 2017

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Integrated optical signal processors have been identified as a powerful engine for optical processing of microwave signals. They enable wideband and stable signal processing operations on miniaturized chips with ultimate control precision. As a promising application, such processors enables photonic implementations of reconfigurable radio frequency (RF) filters with wide design flexibility, large bandwidth, and high-frequency selectivity. This is a key technology for photonic-assisted RF front ends that opens a path to overcoming the bandwidth limitation of current digital electronics. Here, the recent progress of integrated optical signal processors for implementing such RF filters is reviewed. We highlight the use of a low-loss, high-index-contrast stoichiometric silicon nitride waveguide which promises to serve as a practical material platform for realizing high-performance optical signal processors and points toward photonic RF filters with digital signal processing (DSP)-level flexibility, hundreds-GHz bandwidth, MHz-band frequency selectivity, and full system integration on a chip scale.

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Section: Mhz-band Frequency Selectivitymentioning

confidence: 99%

Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity

et al. 2017

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“…Due to the low loss (< 0.1 dB/cm at 1550 nm) and high confinement for light (< 0.1 dB/cm for the bend radius ! 70 m at 1550 nm) [25], many applications have been reported in different domains, such as photonic integrated circuit for microwave photonics [24], [25]; analog signal processor in RF photonic frontend [26], [27]; on chip time-bin entanglement systems for quantum communication and computation [28]; nonlinear-based memristor [29]; and so on.…”

Section: Example I: Design Of Coupler Between Triplex Double-strip Wamentioning

confidence: 99%

Versatile Wideband Polarization-Insensitive Mode Converter Based on Wedge-Shaped Waveguide

Chen

et al. 2016

IEEE Photonics J.

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We propose and demonstrate a versatile, low-loss, polarization-insensitive, and wideband mode converter that can be utilized for mode conversion as a basic component in various photonic integrated circuits. The proposed converter is comprised of two reverse wedge-shaped waveguides and can be easily fabricated by a standard fabrication process. To verify its good performance and universality, we present two applications, including power coupling between a laser diode and a waveguide on the TriPleX platform and mode conversion between a strip waveguide and a slot waveguide on a silicon-on-insulator platform. For both examples, the insertion loss is less than −0.12 dB and −0.5 dB at around 1550 nm for the transverse electric (TE) mode and the transverse magnetic (TM) mode, respectively, by numerically study. Moreover, it maintains very low loss across a wavelength range of 300 nm for both polarization modes.

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“…However, it definitely constitutes an advantage in the case of MWP, where multitude of the aforementioned functionalities either rely on or will significantly benefit from the existence of such a tunable optical core. Tunable optical lattice filters have been demonstrated already in a variety of technology platforms, including InGaAsP/InP [40,49], SOI [50][51][52], thick SOI [53] and TriPleX [46,54].…”

Section: Introductionmentioning

confidence: 99%

“…As a result, there has been a growing interest in developing integrated MWP filters to solve the aforementioned issues. Different approaches have included exploiting stimulated Brillouin scattering in both chalcogenide (As 2 S 3 ) [161][162][163] and Silicon-on-Insulator (SOI) waveguides [164]; four-wave mixing in silicon nanowires [165]; slow light concepts in photonic crystal waveguides [42]; as well as implementing coherent MWP filters by means of tunable, integrated optical filters in silicon nitride (Si 3 N 4 ) [54,166], indium phosphide (InP) [40,49] and SOI [41,[167][168][169]. Despite the impressive results in terms of tunability and rejection levels, none of these works has yet reported on a truly integrated RF photonic filter.…”

Section: Coherent Microwave Photonic Filters 71 Introductionmentioning

confidence: 99%

Integrated Optical Filters for Microwave Photonic Applications

Fandiño¹,

Antonio²

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Con estas breves líneas de texto se culminan más de cuatro largos años de trabajo y esfuerzo. Y, con ellas, se cierra también una etapa de mi vida. Esta tesis y lo que para mí representa son fruto y consecuencia del trabajo directo e indirecto de muchas personas. Gracias en primer lugar a mis supervisores, Pascual Muñoz y José Capmany, por haberme dado la oportunidad de descubrir este mundo que es la ciencia y de guiarme a lo largo del camino. Gracias también a mis compañeros del Grupo de ComunicacionesÓpticas y Cuánticas (GCOC), por los momentos que hemos compartido. Un saludo especial para Christian, por nuestras estimulantes conversaciones a la hora del almuerzo; a Manuel, por su paciencia en el laboratorio; y cómo no a Iñigo, mi proselitista compañero de escalada, por su sabiduría de sobremesa y su apoyo en los momentos difíciles. No puedo ni quiero olvidarme de agradecer a Francisco Soares y a Moritz Baier, y a toda la gente del grupo de diseño de láseres en el Fraunhofer Heinrich Hertz Institute, por su hospitalidad y amabilidad, y por haberme brindado la oportunidad de disfrutar de unos mesesúnicos en una ciudad tan especial como Berlín. Gracias también a Marcin y a Stephanos, mis compañeros de laboratorio, por regalarme su amistad y sentido del humor. Porúltimo, quiero dar las gracias a todas aquellas personas que han estado siempre cerca y que forman una parte fundamental de mi vida. A Sonia, porque somos un equipo. Y mis padres, porque si algo soy, a ellos se lo debo. Mamá, espero poder volar cada día más alto, más lejos, mejor.

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Si <sub>3</sub>N <sub>4</sub>-Based Integrated Optical Analog Signal Processor and Its Application in RF Photonic Frontend

Cited by 9 publications

References 26 publications

Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity

Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity

Versatile Wideband Polarization-Insensitive Mode Converter Based on Wedge-Shaped Waveguide

Integrated Optical Filters for Microwave Photonic Applications

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