Simple DQPSK Receiver Based on Format Conversion From DQPSK to 4PAM by Using a Delay Line Interferometer and a Photo Detector
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1956 ◽
Vol 103
(3S)
◽
pp. 491-496
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1959 ◽
Vol 106
(18S)
◽
pp. 1267-1276
2015 ◽
Vol 74
(20)
◽
pp. 1783-1791