Results 201 to 210 of about 884 (238)

Low-noise frequency synthesis and terahertz wireless communication driven by compact turnkey Kerr combs. [PDF]

Nat Commun
Jia K, Cai Y, Yi X, Qin C, Zhao Z, Wang X, Liu Y, Zhang X, Cheng S, Jiang X, Sheng C, Huang Y, Yu J, Liu H, Jin B, You X, Zhu SN, Liang W, Zhu M, Xie Z.   +19 more
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Convergence of Thermistor Materials and Focal Plane Arrays in Uncooled Microbolometers: Trends and Perspectives. [PDF]

Nanomaterials (Basel)
Wang B, Zhao X, Dong T, Li B, Zhang F, Su J, Ren Y, Duan X, Lin H, Miao Y, Radamson HH.   +10 more
europepmc   +1 more source

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Reflective Semiconductor Optical Amplifiers in passive optical networks

2009 14th OptoElectronics and Communications Conference, 2009
Reflective Semiconductor Optical Amplifiers (RSOAs) offer a cost effective wavelength agnostic transmitter for applications within wavelength division multiplexed passive optical networks (WDM PONs) obviating the need for tuneable or fixed laser sources at customer premises.
Michie, C., Andonovic, I., Kelly, A.E.
openaire   +4 more sources

Model simulations of a reflective semiconductor optical amplifier

SPIE Proceedings, 2006
A reflective semiconductor optical amplifier is modeled using a rate equation for the inversion and an expression for the outgoing field in terms of the incoming field and the instantaneous inversion, for both the cases of linear and nonlinear gain, while assuming modulation speeds well below the round-trip frequency.
van Iersel, M., Lenstra, D., Allaart, K.
openaire   +2 more sources

Efficient Dynamic Wideband Model for Reflective Semiconductor Optical Amplifier

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, 2013
A computationally efficient, time-domain model for simulation of spatial-temporal distribution of photons and carriers in a bulk RSOA is presented. Saturation, noise, chirp and signal broadening are successfully predicted for NRZ and QPSK signals.
Zoran Vujicic, Natasa B. Pavlovic, Ali Shahpari, António Teixeira 0002   +3 more
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Multiwavelength conversion based on reflective semiconductor optical amplifiers

SPIE Proceedings, 2003
In this contribution the routing capabilities of time/wavelength codes in Optical Code Division Multiple access are observed by means of the study of two devices for achieving the wavelength part code conversion. Multi-wavelength conversion will be achieved by using a Semiconductor Optical Amplifier and a Reflective Semiconductor Optical Amplifier. The
Antonio L. J. Teixeira, Mario J. N. Lima, Paulo S. B. Andre, Filipe Oliveira, Jose R. F. da Rocha   +4 more
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A reflective semiconductor optical amplifier based all-optical header separator

Optoelectronics Letters, 2010
An all-optical header extraction scheme based on the reflective semiconductor optical amplifier (RSOA) is presented, which can be used to process variable-length and bit-rate transparent packets. Through selecting the appropriate carrier-lifetime of the RSOA, the payload pulses obtain smaller gains than header pulses and are considered to be compressed.
Jun Zhao, Zong-biao Shao, Xiao-han Sun
openaire   +1 more source

Novel optical regenerator using semi-reflective semiconductor optical amplifier

Integrated Photonics Research and Applications/Nanophotonics for Information Systems, 2005
We propose and theoretically verify optical regenerator using single semi-reflective semiconductor optical amplifier. Using simplified gain model, we explaine operational principle of proposed regenerator. Simulaton result shows proposed scheme acts as 2R regenerator.
Tae-Young Kim, Sang-Kook Han
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Simple model for optical pulse propagation in a reflective semiconductor optical amplifier

Numerical Simulation of Optoelectronic Devices, 2010
A simple time-domain model is presented that can predict optical pulse propagation in reflective semiconductor optical amplifiers (RSOAs). The RSOA saturation energy, effective lifetime and material gain coefficient parameters used in the model are determined using experimental measurements of the input and output pulse temporal profiles to the RSOA ...
M.J. Connelly, C. O'Riordan
openaire   +1 more source