20GHz IQ Modulator


Operating Wavelength 1530-1565nm; Operating Bandwidth 20GHz

Part Number  :  IQM20
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The 20G-Thin Film modulator design is based on a dual parallel structure of 2 Mach-Zehnder modulators embedded in a Mach-Zehnder super-structure. Each internal modulator is designed to have EO bandwidth above 20 GHz. Monitor photodiode is provided for automatic bias control.

Specifications (Unless otherwise specified, the test temperature is 25°C)

Category

Parameters

Symbol

Unit

Performance

Optical

Features

Operating Wavelength

λ

nm

~1550

Optical Extinction Ratio

(@DC)

ER

dB

≥25dB

Optical Return Loss

ORL

dB

≤-15

Optical Insertion Loss

IL

dB

~6

Electrica Features

3db Bandwidth

S21

GHz

I

Q

~20

~20

RF Load

Rm

Ohm

50 ±5

Parent RF Vπ(@50 Khz)

Vπ -P

V

3~3.5

Child RF Vπ(@50 Khz)

Vπ -C

V

3~3.5

Heater Resistance

Rh

Ohm

4000 ± 10%

Parent Heater Pπ(@DC)

Pπ -P

mW

~50

Child Heater Pπ(@DC)

Pπ -C

mW

~50

RF Return Loss(100 MHz To 30 Ghz)

S11

dB

-10

Test Condition

Operating Temperature

To

-20~70

Fiber type

PM1550/SMF-28E


Bandwidth S21 Curve

40 GHZ1.png

40 GHZ2.png

Absolute Maximum Ratings

Parameters

Symbol

Min

Max

Typ

Unit

RF Input Power

Sin

-

-

10

dBm

Heater Bias Voltage


0

5


V

Storage Temperature


-40

85

25

Relative Humidity

RH

5

90

50

%


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