The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
An ultra-broadband 2∶1 analog-multiplexer (A-MUX) module has been developed for optical communications systems with a high symbol rate. The A-MUX IC was designed and fabricated using in-house InP HBTs, which have a peak ft and fmax of 290 and 320 GHz, respectively. The A-MUX module has a through bandwidth of over 50 GHz and operates at a clock rate of up to 50 GHz, leading to 100-GS/s operation. Its...
We review the no-guard-interval coherent optical orthogonal frequency-division multiplexing (CO-OFDM) scheme for 100-Gb/s/ch long-haul optical transmission focusing on system configuration and transmission performance.
We propose two-stage overlap frequency domain equalization (OFDE) to compensate chromatic dispersion and polarization mode dispersion in practical long-haul optical systems. This paper evaluates the performance of 25-Gb/s coherent optical single-carrier transmission using two-stage OFDE.
We demonstrated 25-Gb/s (21.7-Gb/s after coding) single-carrier (SC) transmission with QPSK format over 240 km of SMF (4080 ps/nm) by employing frequency-domain equalization (FDE).
We demonstrated, for the first time, a novel spectrum-efficient elastic optical path network for 100 Gb/s services and beyond, based on flexible rate transceivers and variable-bandwidth wavelength crossconnects.
We demonstrate a PDM-QPSK modulator operating at 100-Gb/s. Two QPSK modulators and a polarization beam combiner are integrated using a hybrid assembly technique with silica PLCs and LiNbO3 phase modulators.
We compare 44.6-Gbit/s NRZ-DQPSK format with EDC against RZ-DQPSK format for 50-GHz-spacing ROADM system. NRZ-DQPSK with EDC is superior to RZ-DQPSK when ROADM node number exceeds 10.
This paper proposes 100-Gbit/s optical-OFDM transmission using the ODB format. An OFDM signal generated using a simple multi-carrier generator and multi-carrier modulator is successfully transmitted over a 20-km SMF and 100-km DSF without dispersion compensation.
We have proposed novel transmission formats including CS-RZ, DCS-RZ, and CSRZ-DPSK. We discuss the transmission performance of these formats in the aspect of DWDM and present 40 ch/spl times/43-Gbit/s/ch transmission demonstration with excellent amplifier technology.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.