电光调制器 EOM

电光调制器的特点：本系列电光调制器产品包含12Gb/s(GHz), 20Gb/s(GHz), 40Gb/s(GHz)不同速率的产品，有光强度调制器及相位调制器。插入损耗可低于2dB.

电光调制器简要特点如下：
• 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