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OPTICAL TRANSMITTING APPARATUS FOR RETURN-TO-ZERO DIFFERENTIAL PHASE-SHIFT-KEYING (RZ-DPSK) OR RETURN-TO-ZERO DIFFERENTIAL QUADRATURE PHASE SHIFT KEYING (RZ-DQPSK)
OPTICAL TRANSMITTING APPARATUS FOR RETURN-TO-ZERO DIFFERENTIAL PHASE-SHIFT-KEYING (RZ-DPSK) OR RETURN-TO-ZERO DIFFERENTIAL QUADRATURE PHASE SHIFT KEYING (RZ-DQPSK)
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机译:归零差分相移键控(RZ-DPSK)或归零差分正交相移键控(RZ-DQPSK)的光学传输装置
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摘要
An optical transmitting apparatus is disclosed. The optical transmitting apparatus outputs a signal having the same phase characteristics as a Return-to-Zero Differential Phase-Shift-Keying (RZ-DPSK) signal by using a single phase modulator. Accordingly, it is possible to generate RZ-DPSK signals without using a separate RZ modulator.
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