Optical network unit device for mutual-excitation multi-wavelength dynamic scheduling in passive optical network (PON)
A passive optical network and optical network unit technology, applied in the field of optical network unit devices, can solve the problems of complex structure and high cost, and achieve the effects of improving utilization rate and increasing uplink transmission bandwidth
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[0021] like figure 1 As shown, this embodiment includes: an uplink data transmitter 8, a downlink data receiver 10, and a third optical circulator 9, wherein: the output end of the third optical circulator 9 is connected to the downlink data receiver 10 to transmit downlink data optical signals , the input end of the third optical circulator 9 is connected to the uplink data transmitter 8 to transmit the uplink data optical signal.
[0022]The uplink data transmitter 8 generates an uplink data optical signal, including: a first FP multi-longitudinal mode laser 1 and a second FP multi-longitudinal mode laser 5, an adjustable bandpass filter 2, a first optical circulator 3, a second FP multi-longitudinal mode laser Two optical circulators 4, 1 × 2 optical splitters / couplers 6 and control modules 7 with a splitting ratio of 90:10, wherein: the output end of the first FP multi-longitudinal mode laser 1 is connected to the adjustable bandpass filter 2 The input end is connected to...
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