Results 21 to 30 of about 1,129 (234)
RSOA Intensity Modulator Frequency Chirp-Enhanced Optical OFDM PON Performance
IEEE Photonics Journal, 2015 A reflective semiconductor optical amplifier intensity modulator (RSOA-IM) frequency chirp considerably increases the system frequency response of an intensity-modulation and direct-detection (IMDD) PON system over the passband signal spectral region ...
B. Y. Cao +5 more
doaj +1 more source
Hybrid integrated external cavity laser with a 172-nm tuning range
APL Photonics, 2022 Chip-scale lasers with a wide tunable range and a narrow linewidth have rich applications in optical communications, sensing, and light detection and ranging systems.
Yuyao Guo +6 more
doaj +1 more source
Off-set Filtering Effect in SOA Based Optical Access Network [PDF]
Radioengineering, 2016 In-line and reflective semiconductor optical amplifiers (SOA and RSOA) can be effectively utilized as external optical intensity modulators. However the limited modulation bandwidth affects the application possibilities, because next generation access ...
E. Udvary
doaj
Model simulations of a reflective semiconductor optical amplifier
, 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 ...
Allaart, K. +3 more
core +1 more source
Applied Sciences, 2017 We present a comparative study of the capacity increase brought by bit- and power-loading discrete multi-tone (DMT) modulation for low-cost colorless transmitters.
Simon Arega Gebrewold +4 more
doaj +1 more source
IEEE Access, 2019 For the first time up to our knowledge, a centralized-light-source two-way eight-level pulse amplitude modulation (PAM8)/four-level pulse amplitude modulation (PAM4) free-space optical (FSO) communication with parallel optical injection-locked vertical ...
Wen-Shing Tsai +4 more
doaj +1 more source
, 2010 In this paper we give an overview of different approaches to reduce the influence of the interferometric crosstalk in a Passive Optical Network employing Wavelength Division Multiplexing (WDM-PON) and a Reflective Semiconductor Optical Amplifier-based ...
H. De Waardt +8 more
core +1 more source
Monolithically integrated reflective SOA-EA carrier re-modulator for broadband access nodes [PDF]
, 2006 We propose and experimentally demonstrate a monolithically integrated circuit composed of a reflective concatenated semiconductor optical amplifier (SOA) and electro-absorber (EA) for high bit-rate carrier re-modulation.
Öhman, Filip +12 more
core +1 more source
Planar Solid‐State Nanopores Toward Scalable Nanofluidic Integration Based on CMOS Technology
Advanced Engineering Materials, EarlyView.We present a scalable silicon‐based fabrication strategy for planar solid‐state nanopores to enable their integration with complex nanofluidic systems. Prototype devices demonstrate normal voltage‐current characteristics, good noise performance, and appreciable streaming currents. Our CMOS‐compatible fabrication process offers precise geometric control
Ngan Hoang Pham +7 more
wiley +1 more source
Optically Integrated InP–Si$_3$ N$_4$ Hybrid Laser
IEEE Photonics Journal, 2016 We describe the first demonstration and characterization of an optically integrated InP–Si $_3$N$_4$ hybrid laser. The laser is formed by integration of an InP-based reflective semiconductor optical amplifier with a Si$_3$N $_4$ based feedback ...
Youwen Fan +8 more
doaj +1 more source