------ KY-AM Series
Features
l Multiple operating wavelengths
l Low half-wave voltage
l High bandwidth
l Low insertion loss
Application
l High-speed fiber optic communication system
l Microwave fiber optic links
l Quantum communication
Description
The KY-AM series electro-optical intensity modulator uses the electro-optical effect of lithium niobate crystal to realize the intensity modulation of optical signal by using push-pull Machzender interference structure, which has the characteristics of low insertion loss, high modulation bandwidth, high extinction ratio, low half-wave voltage, high damage optical power, etc., and is mainly used in high-speed optical communication system electro-optical signal conversion, optical sideband generation, high extinction ratio optical pulse generation in quantum communication, and microwave optical fiber link.
Parameters
Parameters | Symbol | AM-08 | AM-10 | AM-15-10 | AM-15-20 | AM-15-40 |
Operating wavelength | l | 770~880nm | 1064±60nm | 1550±100nm |
Waveguide process |
| Titanium diffusion or proton exchange APE |
Insertion loss | IL | <3 dB | <3 dB | <4 dB | <4 dB | <4 dB |
Optical return loss | ORL | -40 dB | -45 dB | -45dB | -45dB | -45dB |
Operating bandwidth (-3dB) - RF | High frequency | S21 | >10GHz | >10GHz- | >10GHz | >20GHz | >28GHz |
Low frequency | <10MHz |
Rise time: 10%~90% | tr | 35ps | 35ps | 35ps | 18ps | 11ps |
Half-wave voltage @50KHz, RF | Vπ | 4V | 4V | 4V | 4.5V | 4V |
Half-wave voltage @Bias | Vπ | 6V | 6V | 5V | 5V | 5V |
Extinction ratio | ER | >20dB | >20dB | > 20dB, typical 25dB |
Input impedance | ZRF | 50W@RF, 1MW@Bias |
Electrical interface |
| 2.92mm(f) | 1.85mm(f) |
Electrical return loss | S11 | <-10dB |
Enter the fiber |
| PM780 | PM980 | PM1550 Panda slow axis alignment |
Output fiber |
| PM780 | PM980 | PM1550 Panda slow axis alignment |
Fiber optic interface |
| FC/APC or customer designation |
Operating temperature | Top | -20~70°C |
Storage temperature | Tst | -40~80°C |
Electrical signal input power - RF | Pi | <27dBm |
Voltage input range - BIAS | Vi | ±15V |
Maximum input optical power | Po | 20mW | 100mW | 50 mW (titanium diffusion), 200 mW (proton exchange APE). |
Characteristic Curve
Dimensions(Unit: mm)
Ordering Information
KY-AM-WL-BW-PP
WL—wavelength: 15-1550nm, 10-1064nm, 08-800nm
BW—Working bandwidth: 10G, 20G, 40G