20-40 GHz Intensity Modulators for Analog Applications AM20, AM40
description1
Key Features
● Titanium Indiffused Waveguides
● X-Cut LiNbO3
● C+L-Band Operation
● Operating up to 60 GHz
● Zero-Chirped Modulator
● Low Drive Voltage
● Low Optical Insertion Loss
● Integrated Monitor Photodiode
● Integrated Polarizer
● RoHS Compliant
Applications
● Digital Transmission
● Analog Transmission
● Instrumentation
● High Frequency Fiber Optic Links
● Delay Lines Telemetry Systems
High Power Fiber Laser Configuration

Absolute Maximum Ratings
Parameter |
Operating Conditions (1) |
Min |
Max. |
Unit |
Maximum RF Input Power |
AC coupled |
- |
25 |
dBm |
Maximum Optical Input Power |
CW |
- |
100 |
mW |
Operating Case Temperature |
- |
0 |
+75 |
°C |
Storage Temperature |
- |
40 |
+85 |
°C |
Maximum Operating Temperature Variation Rate |
- |
- |
1 |
°C/min |
Operating Humidity |
- |
5 |
85 |
% |
Leads Soldering Temperature |
- |
- |
250 |
°C |
Leads Soldering Time |
- |
- |
10 |
s |
Pin-Out and Fiber Specifications
RF Connector |
V-Connector¹ |
Bias and PD connector |
LEAD pins |
Input Fiber |
Corning/Fujikura SM15P UV/UV250 (Panda fiber), L1 (900 µm loose tube fiber without |
Output Fiber |
Corning/Fujikura SM15P UV/UV250 (Panda fiber), L1 (900 µm loose tube fiber without connector) > 1.3 m & L2 (bare fiber) ≥ 5 cm, or >1.2 m 900 µm loose tube fiber with connectors |
Minimum Bending Radius |
15 mm |
Mechanical Outline
Optical and Electrical Specifications
Characterisitcs |
Conditions¹ |
Value (AM20) |
Value (AM40) |
Unit |
Optical |
|
|
|
|
Operating Wavelength Range |
- |
1525-1615 |
1525 - 1615 |
nm |
Insertion Loss |
No connectors |
< 4.5 (3.5 typ) < 5.0 (4.0 typ) |
< 5.0 (4.0 typ) < 5.5 (4.5 typ) |
dB |
Optical Return Loss |
No connectors |
> 45 |
> 45 |
dB |
Polarization Extinction ratio |
- |
> 20 (23 typ) |
> 20 (23 typ) |
dB |
Electrical – RF Port |
|
|
|
|
S21 Electro-Optic Bandwidth |
- 3 dBe |
> 20 (23 typ) |
> 30 (31 typ) |
GHz |
S11 Electrical Return Loss |
40 MHz - 20 GHz |
< - 10 (- 12 typ) - |
< - 10 (- 12 typ) < - 8 (- 10 typ) |
dB |
RF Vπ Voltage |
@ 1 kHz @ 20 GHz |
< 5.0 (4.5 typ) 6.0 |
< 5.2 (4.7 typ) 6.0 |
V |
Electrical – Bias Port |
|
|
|
|
Bias Vπ Voltage |
@ 1 kHz |
< 5.5 (5.0 typ) |
< 5.5 (5.0 typ) |
V |
Bias Port Impedance |
@ DC |
1 |
- |
MΩ |
Photodiode Characteristic |
|
|
|
|
Monitor PD Reverse Current |
- |
10 |
2 |
mA |
Monitor PD Forward Current · |
- |
- |
10 |
mA |
Monitor PD Reverse Voltage |
- |
|
15 |
V |
Photodiode Responsivity |
- |
> 1 x 10-3 |
> 1 x 10-3 |
mA/W |
Linearity |
- |
± 10 |
± 10 |
% |
Pin-Out Information
Pin |
Name/Description |
Description |
1 |
RF |
RF input, V-connector |
2 |
GND |
Ground |
3 |
Bias |
Bias Voltage |
4 |
PD-C |
Photodiode cathode (-) |
5 |
PD-A |
Photodiode anode (+) |
Electrostatic Discha rge (ESD)
Caution: Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
RoHS Compliance
This series of modulators are RoHS compliant.
Reliability Requirements
This series of modulators are designed to meet Telcordia GR-468-Core requirements.
Ordering Information:
For more information on this product and its availability, please contact your local GKER account manager or GKER directly at sales@GKERPhotonics.com
Product Description |
Part Number |
AM20, C-Band 20 GHz Intensity modulator for analog applications |
7910511-A |
AM20, C-Band 20 GHz Intensity modulator for analog applications |
792000980 |
AM20, C-Band 20 GHz Intensity modulator for analog applications |
7910508-A |
AM40, C-band 40 GHz Intensity modulator for analog applications |
7910512-A |
AM40, C-band 40 GHz Intensity modulator for analog applications |
792000990 |
AM40, C-band 40 GHz Intensity modulator for analog applications |
7910507-A |


