Browsing by Subject "Optical amplifiers"
Now showing items 1-16 of 16
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15-dB differential link-loss UDWDM-PON with direct beat phase modulated DFBs
(2017-11-21)
Article
Open AccessIEEE A 15 dB differential link-loss ultra-dense wavelength division multiplexing passive optical network (UDWDM-PON) with two optical network units (ONU) spectrally spaced 6.25 GHz is experimentally implemented and tested. ... -
A super frequency-shifter: enhancing the capabilities of acousto-optic modulators
(Universitat Politècnica de Catalunya, 2012-09-06)
Master thesis
Open Access[ANGLÈS] We put forward a new scheme to enhance the capabilities of currently available acousto-optic frequency shifters (AOFS) by making use of the idea of weak value amplification. The key result of our approach is that ... -
Amplificación de pulsos con amplificadores ópticos semiconductores
(Unión Científica Internacional de Radio (URSI), 1990)
Conference report
Open Access -
C + L band extended reach amplified next generation access networks
(2011-07)
Article
Restricted access - publisher's policyThe feasibility of optical amplification solutions for extended reach next generation access networks in C + L bands is studied. Amplification schemes based on Raman fiber amplifier and their combination with remotely ... -
Cost-effective transceiver based on an RSOA and a VCSEL for flexible uDWDM networks
(2016-05-15)
Article
Open AccessA cost-effective transceiver for a 1-Gb/s full-duplex ultra-dense wavelength division multiplexing optical link is proposed for flexible metro-access and 5G networks. The transceiver is based on a vertical cavity surface ... -
Design and optimization of radio-over-fiber links
(Universitat Politècnica de Catalunya, 2021-06)
Bachelor thesis
Open AccessEn los últimos el uso de enlaces ópticos han sido altamente incrementado debido a las ventajas que supone este sobre los enlaces eléctricos, junto con esto, también han aumentado los programas dedicados a la simulación de ... -
Digital Nyquist WDM for access networks using limited bandwidth reflective semiconductor optical amplifiers
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Conference report
Restricted access - publisher's policyDigital Nyquist-WDM is experimentally demonstrated using RSOA-based colorless ONUs, providing a 6-fold enhancement of transmission capacity through 25km fiber, and showing digital Nyquist-WDM as promising candidate for ... -
Employing feed-forward downstream cancellation in optical network units for 2.5G/1.25G RSOA-based and 10G/10G REAM-based passive optical networks for efficient wavelength reuse
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009-06-28)
Conference report
Open AccessOptical Network Units for Next-Generation Passive Optical Networks with wavelength reuse are investigated for asymmetrical 2.5 G/1.25 G and symmetrical 10 G/10 G down- and upstream data rates. The transmission performance ... -
Exploiting RSOA for uplink transmission with coherent detection for low cost UDWDM-PON
(2014)
Conference report
Restricted access - publisher's policyUpstream phase modulation exploiting low cost reflective semiconductor optical amplifier (RSOA) at ONU is applied for simplified coherent detection through DFBs as local lasers at ONU and at OLT. -
Generation of intrinsically CEP-stable few-cycle pulses in the mid-IR
(Universitat Politècnica de Catalunya, 2013-09-10)
Master thesis
Open Access[ANGLÈS] The generation of few cycle pulses in the mid-IR is investigated through a numerical non linear propagation code as a seed pulse for an OPCPA system -
Multi-electron correlations in the emission of coherent extreme-ultraviolet light
(2021-05-13)
Conference lecture
Open Access -
Optimizing reflective semiconductor optical amplifier as phase modulator for low cost colorless ONU with 3x3 homodyne detection
(2014)
Conference report
Restricted access - publisher's policyOvercome the limited modulation bandwidth of low cost uncooled To-can packaged RSOA (~400 MHz) and operate it at 3.125 Gb/s using homodyne techniques with the optimal performance for phase modulation via measured characteristics. -
Robustness of qudratic solitons with periodic gain
(2000-11)
Article
Restricted access - publisher's policyWe address the robustness of quadratic solitons with periodic non-conservative perturbations. We find the evolution equations for guiding-center solitons under conditions for second-harmonic generation in the presence of ... -
Stabilization of Broad Area Semiconductor Amplifiers and Lasers by Double Modulation of Pump and Refractive Index
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyBroad Area Semiconductor Amplifiers and Lasers display instability of the homogeneous state typically related with self-focusing nonlinearities, inducing multi-transverse mode operation and filamentation that deteriorates ... -
Stabilization of broad-area semiconductor laser sources by simultaneous index and pump modulations
(2018-06-01)
Article
Open AccessWe show that the emission of broad-area semiconductor amplifiers and lasers can be efficiently stabilized by introducing two-dimensional periodic modulations simultaneously on both the refractive index and the pump (gain–loss) ... -
Statistical analysis of nonlinear optical amplifier in high saturation
(1988-02)
Article
Open Access
