English
Related papers

Related papers: Linearization of a dual-parallel Mach-Zehnder modu…

200 papers

A highly excited Rydberg atom via electromagnetically induced transparency with two color cascading lasers has extreme sensitivity to electric fields of microwave ranging from 100 MHz to over 1 THz. It can be used as susceptible atom-based…

Atomic Physics · Physics 2021-11-15 M. H. Cai , Z. S. Xu , S. H. You , H. P. Liu

We experimentally study two-photon coherence in plasmon-assisted transmission with a two-photon Mach-Zehnder (MZ) interferometer. Two collinear photons of identical or orthogonal polarization are simultaneously incident on one optically…

Quantum Physics · Physics 2007-05-23 Guo-Ping Guo , Xi-Feng Ren , Yun-Feng Huang , Chuan-Feng Li , Zhe-Yu Ou , Guang-Can Guo

The potential of doubling the spectrum efficiency of full-duplex (FD) transmission motivates us to investigate FD millimeter-wave (FD-mmWave) communication. To realize FD transmission in the mmWave band, we first introduce possible antenna…

Information Theory · Computer Science 2017-09-26 Zhenyu Xiao , Pengfei Xia , Xiang-Gen Xia

Reprogrammable linear optical circuits are essential elements of photonic quantum technology implementations. Integrated optics provides a natural platform for tunable photonic circuits, but faces challenges when high dimensions and high…

This paper presents a novel approach using multiple linear regression to process transient signals from silicon photomultipliers. The method provides excellent noise suppression and pulse detection in scenarios with a high pulse count rate…

Instrumentation and Detectors · Physics 2023-07-19 Wolfgang Schmailzl , Claudio Piemonte , Erika Garutti , Walter Hansch

The ability to spectrally translate lightwave signals in a compact, low-power platform is at the heart of the promise of nonlinear nanophotonic technologies. For example, a device to link the telecommunications band with visible and short…

We present a Heralded Photon Source based only on linear optics and weak coherent states. By time-tuning a Hong-Ou-Mandel interferometer fed with frequency-displaced coherent states, the output photons can be synchronously heralded…

In this paper we discuss the motivation, design, and analysis of ambisonic decoders for systems where the vertical order is less than the horizontal order, known as mixed-order Ambisonic systems. This can be due to the use of microphone…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-04 Aaron Heller , Eric Benjamin , Fernando Lopez-Lezcano

Optical modulators are at the heart of optical communication links. Ideally, they should feature low insertion loss, low drive voltage, large modulation bandwidth, high linearity, compact footprint and low manufacturing cost. Unfortunately,…

In an attempt to develop a streamlined astrophotonic instrument, we demonstrate the realization of an all-photonic device capable of both multimode to single mode conversion and spectral dispersion on an 8-m class telescope with efficient…

Instrumentation and Methods for Astrophysics · Physics 2017-11-22 N. Cvetojevic , N. Jovanovic , S. Gross , B. Norris , I. Spaleniak , C. Schwab , M. J. Withford , M. Ireland , P. Tuthill , O. Guyon , F. Martinache , J. S. Lawrence

Performing linear operations using optical devices is a crucial building block in many fields ranging from telecommunication to optical analogue computation and machine learning. For many of these applications, key requirements are…

We demonstrate for the first time, to the best of our knowledge, reconfigurable and real-time orthogonal time-domain demultiplexing of coherent multilevel Nyquist signals in silicon photonics. No external pulse source is needed and…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Arijit Misra , Karanveer Singh , Janosch Meier , Christian Kress , Tobias Schwabe , Stefan Preußler , J. Christoph Scheytt , Thomas Schneider

We analyze the modulation instability induced by periodic variations of group velocity dispersion and nonlinearity in optical fibers, which may be interpreted as an analogue of the well-known parametric resonance in mechanics. We derive…

Optics · Physics 2015-06-11 Andrea Armaroli , Fabio Biancalana

Multi-antenna radio front-ends generate a multi-dimensional flood of information, most of which is partially redundant. Redundancy is eliminated by dimensionality reduction, but contemporary digital processing techniques face harsh…

We investigate the effect of tunable optical feedback on a commercial DFB laser edge coupled to a Silicon Photonics planar integrated circuit in which a tunable reflector has been implemented by means of a ring resonator based add-drop…

In order to better understand the variation mechanism of ozone abundance in the middle atmosphere, the simultaneous monitoring of ozone and other minor molecular species, which are related to ozone depletion, is the most fundamental and…

Instrumentation and Methods for Astrophysics · Physics 2020-08-25 Taku Nakajima , Kohei Haratani , Akira Mizuno , Kazuji Suzuki , Takafumi Kojima , Yoshinori Uzawa , Shin'ichiro Asayama , Issei Watanabe

Squeezed states of light are essential for emerging quantum technology in metrology and information processing. Chip-integrated photonics offers a route to scalable and efficient squeezed light generation, however, parasitic nonlinear…

Optics · Physics 2025-02-25 Alexander E. Ulanov , Bastian Ruhnke , Thibault Wildi , Tobias Herr

Compact terahertz (THz) functional devices are greatly sought after for high-speed wireless communication, biochemical sensing, and non-destructive inspection. However, conventional devices to generate and guide THz waves are afflicted with…

We adopt artificial $\Lambda$-type three-level system with superconducting devices for microwave signal detection, where the signal intensity reaches the level of discrete photons instead of continuous waveform. Based on the state…

Signal Processing · Electrical Eng. & Systems 2021-08-30 Junyu Zhang , Chen Gong , Shangbin Li , Shanchi Wu , Rui Ni , Chengjie Zuo , Jinkang Zhu , Ming Zhao , Zhengyuan Xu

We report on a new mechanism of giant phase modulation. The phenomenon arises when a dispersed photonic mode (slow light) strongly couples to an excitonic resonance. In such a case, even a small amount of optically injected carriers creates…

Mesoscale and Nanoscale Physics · Physics 2014-08-26 C. Sturm , D. Tanese , H. S. Nguyen , H. Flayac , E. Gallopin , A. Lemaître , I. Sagnes , D. Solnyshkov , A. Amo , G. Malpuech , J. Bloch