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Han Zheng, Shanglin Yang, Yue Yu and Lei Zhang
Mode (de)multiplexer is an essential device in integrated multimode photonic systems. Here, we present a dual-mode (de)multiplexer that separates two input modes, TE0 and TE1, into two output ports while converting TE1 to TE0 mode. Based on the adjoint a...
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Gabriel M. Carral, Jesús Liñares, Eduardo F. Mateo and Xesús Prieto-Blanco
We analyze autocompensation possibilities in entanglement-based QKD protocols. In particular, we study the seminal BBM92 protocol and find that an autocompensating technique is possible, although with severe limitations. This prompts the introduction of ...
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Eli Ohana and Dror Malka
To test silicon photonics component performances, a silicon (Si) grating coupler (GC) is used to couple the light from a single-mode fiber (SMF) into the chip. However, silicon nitride (Si3N4) waveguides have recently become more popular for realizing ph...
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Markus Scherrer, Noelia Vico Triviño, Svenja Mauthe, Preksha Tiwari, Heinz Schmid and Kirsten E. Moselund
It is a long-standing goal to leverage silicon photonics through the combination of a low-cost advanced silicon platform with III-V-based active gain material. The monolithic integration of the III-V material is ultimately desirable for scalable integrat...
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Giancarlo C. Righini and Jesús Liñares
Ion exchange in glass has a long history as a simple and effective technology to produce gradient-index structures and has been largely exploited in industry and in research laboratories. In particular, ion-exchanged waveguide technology has served as an...
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Chhandak Mukherjee, Marina Deng, Virginie Nodjiadjim, Muriel Riet, Colin Mismer, Djeber Guendouz, Christophe Caillaud, Hervé Bertin, Nicolas Vaissiere, Mathieu Luisier, Xin Wen, Magali De Matos, Patrick Mounaix and Cristell Maneux
This review paper reports the prerequisites of a monolithic integrated terahertz (THz) technology capable of meeting the network capacity requirements of beyond-5G wireless communications system (WCS). Keeping in mind that the terahertz signal generation...
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Li Pei, Zeya Xi, Bing Bai, Jianshuai Wang, Xiaoyan Zuo, Tigang Ning, Jingjing Zheng and Jing Li
Artificial intelligence chips (AICs) are the intersection of integrated circuits and artificial intelligence (AI), involving structure design, algorithm analysis, chip fabrication and application scenarios. Due to their excellent ability in data processi...
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Cátia Pinho, Francisco Rodrigues, Ana Maia Tavares, Carla Rodrigues, Cláudio Emanuel Rodrigues and António Teixeira
The development of photonic integrated circuits (PIC) for access network applications, such as passive optical networks (PON), constitutes a very attractive ecosystem due to PON?s potential mass market. The implementation of PIC solutions in this context...
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Xin Mu, Sailong Wu, Lirong Cheng and H.Y. Fu
Silicon photonics has drawn increasing attention in the past few decades and is a promising key technology for future daily applications due to its various merits including ultra-low cost, high integration density owing to the high refractive index of si...
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Jin-Kyu Yang, Chae-Young Kim and Minji Lee
We propose a new type of refractive index sensing based on the transverse magnetic (TM) modes in the photonic crystal (PhC) nanobeam (NB) cavity with a horizontal air gap. The electric field of the resonant TM mode is strongly confined within the horizon...
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