(57) ABSTRACT A full duplex communication network includes an optical transmitter end
having a first coherent optics transceiver, an optical receiver end having a second coherent …

Systems and methods for applying a pilot tone to multiple spectral bands are provided. An
initial signal is divided into multiple spectral bands. A pilot tone is applied to each of the …

Consistent with an aspect of the present disclosure, electrical signals or digital subcarriers
are generated in a DSP based on independent input data streams. Drive signals are …

Methods, systems, transceivers, and apparatus are included for clock synchronizing an
optical system and multiple leaf systems. In some implementations, a transceiver includes a …

Optical network systems and components are disclosed, including a transmitter comprising a
digital signal processor receiving a plurality of independent data streams, and sup plying a …

This disclosure describes digitally generating sub-carriers (SCs) to provide isolation and
dynamic allocation of band width between uplink and downlink traffic between trans ceivers …

Primary Examiner Agustin Bello (74) Attorney, Agent, or Firm—David L. Soltz (57)
ABSTRACT Techniques are described for implementing an out-of-band communication …

(57) ABSTRACT A method (10) of bi-directional optical communication, the method
comprising: generating (12) a first optical communication signal for transmission in one …

Optical network systems and components are disclosed, including a transmitter comprising a
digital signal processor that receives data; circuitry that generate a plurality of electrical …

(57) ABSTRACT A transmitter can include a laser operable to output an optical signal; a
digital signal processor operable to receive user data and provide electrical signals based …