All-optical repetition rate multiplication of pseudorandom bit sequences by employing power coupler and equalizer

作者：Sun Zhenchao^*; Wang Zhi; Wu Chongqing; Wang Fu; Li Qiang

来源：Optical Engineering, 2015, 54(10): 106111.

DOI：10.1117/1.OE.54.10.106111

• optics
• repetition rate multiplication
• pseudorandom bit sequences
• terahertz optical asymmetric demultiplexer
• power equalizer

A scheme for all-optical repetition rate multiplication of pseudorandom bit sequences (PRBS) is demonstrated with a precision delay feedback loop cascaded with a terahertz optical asymmetric demultiplexer (TOAD)-based power equalizer. Its feasibility has been verified by experiments, which show a multiplication for PRBS at cycle 2((7) over cap)-1 from 2.5 to 10 Gb/s. This scheme can be employed for the rate multiplication of a much longer cycle PRBS at a much higher bit rate over 40 Gb/s if the time-delay, the loss, and the dispersion of an optical delay line are all precisely managed.

• 出版日期2015-10
• 单位北京交通大学