Iván N. Cano
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View article: Demonstration of continuous multiple access with homodyne and image-rejection heterodyne coherent receivers using directly modulated laser transmitters
Demonstration of continuous multiple access with homodyne and image-rejection heterodyne coherent receivers using directly modulated laser transmitters Open
This work presents a comprehensive set of experiments for the multipoint-to-point coherent passive optical network (PON), where the wavelength locking between the optical network unit (ONU) and optical line termination lasers is critical, …
View article: Real-Time DSP-Free 100 Gbit/s/λ PAM-4 Fiber Access Link Using EML and Direct Detection
Real-Time DSP-Free 100 Gbit/s/λ PAM-4 Fiber Access Link Using EML and Direct Detection Open
A 100 Gbit/s/ PAM-4 fiber link with an optical budget of 30 dB and 20 km fiber reach is achieved in real time experiments. This is compliant with class A (20 dB) point to point (PtP) applications as mobile fronthaul for example, and with …
View article: Coherent Passive Optical Networks: Why, When, and How
Coherent Passive Optical Networks: Why, When, and How Open
While the capacity of the next-generation access network is expected to be 100 Gb/s and beyond, coherent optics is going to be a logical choice for the physical layer as the currently used intensity-modulation/ direct-detection technology …
View article: 1.25–2.5 Gb/s Simple Nyquist Transmitters for Coherent UDWDM-PON with Enhanced Spectral Efficiency
1.25–2.5 Gb/s Simple Nyquist Transmitters for Coherent UDWDM-PON with Enhanced Spectral Efficiency Open
We present a coherent ultra-dense wavelength division multiplexing passive optical network (UDWDM-PON) with enhanced spectral efficiency. The benefit of using Gaussian or Nyquist pulse-shaping filters at the transmitter is evaluated throug…
View article: 15-dB Differential Link-Loss UDWDM-PON With Direct Beat Phase Modulated DFBs
15-dB Differential Link-Loss UDWDM-PON With Direct Beat Phase Modulated DFBs Open
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View article: Field-Trial of a High-Budget, Filterless, $\lambda$ -to-the-User, UDWDM-PON Enabled by an Innovative Class of Low-Cost Coherent Transceivers
Field-Trial of a High-Budget, Filterless, $\lambda$ -to-the-User, UDWDM-PON Enabled by an Innovative Class of Low-Cost Coherent Transceivers Open
We experimentally demonstrate an innovative ultradense wavelength division multiplexing (UDWDM) passive optical networks (PON) that implements the full λ -to-the-user$ concept in a filterless distribution network. Key element of the propo…
View article: Application on Minimizing Residual AM in DPSK UDWDM-PON ONU by Integrated Dual-EML
Application on Minimizing Residual AM in DPSK UDWDM-PON ONU by Integrated Dual-EML Open
A monolithically integrated dual electroabsorption modulated laser (DEML), consisting of distributed feedback laser (DFB) and electroabsorption modulator (EAM) sections, is proposed as a transmitter in an optical network unit with phase-sh…
View article: Coherent ONU based on 850 μm-long cavity-RSOA for next-generation ultra-dense access network
Coherent ONU based on 850 μm-long cavity-RSOA for next-generation ultra-dense access network Open
In this Letter, an efficient bidirectional differential phase-shift keying (DPSK)-DPSK transmission for a ultradense wavelength division-multiplexed passive optical network is proposed. A single distributed feedback laser at the optical ne…
View article: Hitless wavelength assignment in filterless optical access networks
Hitless wavelength assignment in filterless optical access networks Open
Advantages offered by coherent detection systems in access networks are not limited to the increase of\npower budget due to the superior sensitivity. Channel selectivity is another intriguing feature offered by coherent\nsystems that can b…