An optical transmitter using multiplexed optical signals increases in cost and in size in order
to control an optical carrier frequency with high precision, therefore, an optical transmitter …

(57) ABSTRACT A frequency offset detection method in an optical spectrum measurement
device, implemented by a controller, includes determining a reference optical spectrum …

An optical transmission system includes comprising: a first optical transmission apparatus to
transmit wavelength-multiplexed optical signals; and a second optical transmission …

An example of a lighting device including a light source, a modulator and a processor. The
processor is configured to control the light source to emit light for general illumination and …

Abstract An optical transmission apparatus (1_1) according to the present invention includes
a first transmission unit (11_1) that transmits a first optical transmission signal (21_1), a …

2016-02-05 Assigned to ABL IP HOLDING LLC reassignment ABL IP HOLDING LLC
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors …

A transmission characteristics monitoring device monitors transmission characteristics of an
optical transmission path between nodes. The device detects an average power of the …

An optical transmission device includes: a wavelength allocation detector configured to
detect wavelength allocation that indicates allocation of optical signals multiplexed in a …

An optical transmission device includes: a monitor config ured to monitor a power of an input
optical signal and detect a spectrum of the input optical signal; a detector configured to …

2016-02-11 Assigned to ABL IP HOLDING LLC reassignment ABL IP HOLDING LLC
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors …