100G 400G Coherent receiver DP-QPSK Coherent receiver FIM24706 FIM24723 Fujitsu FIM24706/303
This coherent receiver integrates a 2X8 90° optical hybrid and 4 balanced detectors with low IQ skew and low noise for free-space coherent communications, satellite optical communications and fiber sensing. Extensive customization is available. The FIM24706 consists of an integrated polarization beam splitter and four balanced photo-receivers monolithically integrated with optical 90° hybrids.The receiver is a fully differential optical front-end suited for 128Gbps DP-QPSK applications featuring high linearity and high common mode rejection ratio.The optical 90° hybrids demodulate the I/Q incident signal for each respective polarization state using external reference oscillator laser sources.The mixing products are detected by PIN-photodiodes and amplified by trans-impedance amplifiers (TIA) with linear transfer characteristics.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Storage Temperature [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings /Ambient] | min:-40 degC；max:85 degC |
| Storage Humidity [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings /No condensation /Temperature and relative humidity limits comply with Telcordia GR-63-CORE] | min:5 %RH；max:95 %RH |
| Optical Input Power [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings /Peak,Sig or LO] | max:17 dBm |
| Photo Diode Reverse Voltage [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings /Signal /Source references VPD_*** in unavailable APPENDIX3:PIN FUNCTIONS] | min:-0.5 V；max:7 V |
| Photo Diode Reverse Voltage [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings /Monitor] | min:-0.5 V；max:20 V |
| Amplifier Supply Voltage [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings] | min:-0.5 V；max:4.5 V |
| Electro Static Discharge [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings /Human Body Model] | min:-250 V；max:250 V |
| Fiber Bend Radius [FIM24706/303 /Specifications(Target) / Absolute Maximum Ratings] | min:15 mm |
| Symbol Rate [FIM24706/303 /Specifications(Target)] | max:32 GBaud |
| Output swing adjustment range | min:300 mVppd；max:900 mVppd |
| Total Harmonic Distortion THD [FIM24706/303 /Specifications(Target)] | max:5 % |
| Small signal Bandwidth(3dB) [FIM24706/303 /Specifications(Target)] | typical:22 GHz |
| Low Frequency Cutoff [FIM24706/303 /Specifications(Target) / AC coupling] | max:100 kHz |
| Phase Error [FIM24706/303 /Specifications(Target) / Between XI and XQ and between YI and YQ] | min:-5 deg.；max:5 deg. |
| Optical Reflectance [FIM24706/303 /Specifications(Target) / Signal and LO ports /Per ITU-T G.959.1] | max:-27 dB |
| Skew:p,n [FIM24706/303 /Specifications(Target)] | max:2 ps |
| Channel skew [FIM24706/303 /Specifications(Target) / / Time difference between earliest and latest channel.Includes channel skew variation.] | max:10 ps |
| Channel skew variation [FIM24706/303 /Specifications(Target) / / Temporal variation in the skew between any2channels due to case temperature,wavelength,input optical power,amplifier gain,and aging.Time for channel defined as mean of p and n.] | max:5 ps |
| Peak Detection Voltage [FIM24706/303 /Specifications(Target)] | min:0 V；max:2 V |
| Maximum Differential Transimpedance [FIM24706/303 /Specifications(Target) / MGC] | min:3200 Ω |
| Minimum Differential Transimpedance [FIM24706/303 /Specifications(Target) / MGC] | max:250 Ω |
| Maximum Gain Control Bandwidth [FIM24706/303 /Specifications(Target)] | typical:5 MHz |
| Responsivity Rsig [FIM24706/303 /Specifications(Target) / Signal / For responsivity from signal and LO port,linearly polarized optical input is aligned45degree to PBS and slow axis of PMF,respectively.] | min:0.045 A/W |
| Responsivity Rmon [FIM24706/303 /Specifications(Target) / Monitor] | min:0.005 A/W；max:0.05 A/W |
| Responsivity difference [FIM24706/303 /Specifications(Target) / Signal,between p and n] | max:1 dB |
| Photodiode Dark Current [FIM24706/303 /Specifications(Target) / Signal] | typical:1 nA |
| Photodiode Dark Current [FIM24706/303 /Specifications(Target) / Monitor] | typical:0.1 nA |
| Monitor PD isolation [FIM24706/303 /Specifications(Target) / Responsivity ratio from Sig to LO port] | min:28 dB；typical:33 dB |
| Common Mode Rejection Ratio CMRR [FIM24706/303 /Specifications(Target) / DC,Signal to I&Q] | max:-20 dBe |
| Common Mode Rejection Ratio CMRR [FIM24706/303 /Specifications(Target) / DC,LO to I&Q] | max:-12 dBe |
| Common Mode Rejection Ratio CMRR [FIM24706/303 /Specifications(Target) / 22GHz,Signal to I&Q] | max:-16 dBe |
| Common Mode Rejection Ratio CMRR [FIM24706/303 /Specifications(Target) / 22GHz,LO to I&Q] | max:-10 dBe |
| Output Electrical Return Loss S22 [FIM24706/303 /Specifications(Target) / f<16GHz] | max:-10 dB |
| Output Electrical Return Loss S22 [FIM24706/303 /Specifications(Target) / 16GHz<f<24GHz] | max:-8 dB |
| Output Electrical Return Loss S22 [FIM24706/303 /Specifications(Target) / 24GHz<f<32GHz] | max:-6 dB |
| Small Size [General Description forFIM24706/303; formal specifications marked Target] | 40 mm × 27 mm × 6 mm |
| Power consumption [General Description forFIM24706/303; formal specifications marked Target] | <1.3 W |
Applications
Key Features
Datasheet
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Supplier Information
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