電光調(diào)制器簡要特點如下：
• Wavelength operation ~1550nm
• Low-insertion-loss < 4 dB (standard);
(lower loss option < 3 dB and < 2 dB)
• Broadbａnd Traveling-wave Mach-Zehnder-
Interferometric Modulator
• Bandwidth 12Gb/s; (20/40Gb/s available )
• Drive Voltage <4.5V standard, (<3.5V option)
• Separate RF (data) and DC Bias electrode
• Option: Integrated Polarizer, Photodetector
• Phase modulator version also available, with
Vπ<5V (std.) and <3.0V (Opt.), no DC port
Key Specifications
|
| Z-Cut Fixed pre-chirp | X-Cut Zero-chirp |
| Insertion Loss | < 3 dB (<2 dB opt) | <4 dB (<3 dB opt) |
| 3 dB Bandwidth | >10, >16, >20 GHz | |
| Modulation Port Vpi (@ 1 GHz) | < 4 volts | < 5 volts (< 4V opt) |
| DC Bias Port Vpi (on a separate electrode) | < 10 volts | |
| S11 | < -10 dB | |
| Optical Null Depth (@ DC) | > 20 dB (>30, >40, >50, >60 dB opt) | |
| Optical Return Loss | > 50 dB | |
| Alpha Chirp Factor | -0.7 ± 0.1 | 0.0 ± 0.1 |
| Package Dimensions | 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm3) Smaller form factor housings available | |
| RF Connector | female K | |
| Operating Wavelength | 1.55 microns (C- and L-Band) (0.8, 1.06, 1.3 microns available) | |
| Input Fiber | PM | |
| Output Fiber | SM or PM | |
| Optical Connectors | FC/UPC standard (FC/APC & others available) | |
| Options | Ultra-low insertion loss Dual-wavelength operation (1.3/1.55) Integrated monitor photodiode Integrated polarizer External RF termination port Integrated phase modulator Dual complementary outputs (1x2, 2x2) High Extinction Ratio | |
