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  4. C band 40GHz band QPSK modulator IQ (Optoscience Co., Ltd.)
C band 40GHz band QPSK modulator IQ-I.Q.
C band 40GHz band QPSK modulator IQ-Optoscience Co., Ltd.

C band 40GHz band QPSK modulator IQ
Optoscience Co., Ltd.

Optoscience Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

14.1hours

Relatively Fast Response

About This Product

The IQ design employs a Mach-Zehnder superstructure with two parallel Mach-Zehnder modulators (DP-MZMs) embedded in a Mach-Zehnder superstructure. Each modulator is designed with an EO band of 20GHz or greater. The monitor photodiode has automatic bias control (ABC).

■Features

・Nested Mach-Zehnder modulator ・X-Cut lithium niobate - Operates at wavelengths of 1,525 - 1,570 nm ・Wideband operation over 30GHz ・High extinction ratio ・Low optical insertion loss ・Excellent linearity

■Application

・OFDM encoding ・QPSK encoding ・QAM encoding ・CS-SSB (Carrier Suppressed Single Side Band) ・FMCW Rider

■Others

①Unless otherwise specified at the beginning of use, the conditions are Top = 25℃ and wavelength 1,550 nm. ②Measure the insertion loss at the maximum value of the modulator's transfer function, excluding the connector. ③The test setup must be agreed upon. ④Each bias section has two control terminals, which supply differential voltage to the bias electrodes of all MZs during operation to ensure the EOL bias voltage range. ⑤One PD monitors the entire output. ⑥Definition of PD responsiveness ・Set inner MZ to maximum transmittance. ・Apply voltage to the outer (phase) MZ. ・Responsiveness R= (Im_- 3 dB) / (Pout_- 3 dB) ・Im_ - 3 dB is the photodiode current when the output optical power is -3 dB from the maximum. ・Pout_- 3 dB is the output optical power at -3 dB from the maximum value. ⑦PD phase error is the difference between the maximum/minimum PD output and the maximum/minimum modulator optical output (modulator phase). ⑧If the PD phase error is ±5°, the phase error is equivalent to ±2.8%.

  • Product

    C band 40GHz band QPSK modulator IQ

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1 Models of C band 40GHz band QPSK modulator IQ

Image Part Number Price (excluding tax)
C band 40GHz band QPSK modulator IQ-Part Number-I.Q.

I.Q.

Available upon quote

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About Company Handling This Product

Optoscience Co., Ltd.

Response Rate

100.0%

Response Time

14.1hrs

  • Japan

Related search keywords

Optical Modulators
Optical Modulators　Optoscience Co., Ltd.
Optoscience Co., Ltd.

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