20/40/60GHz Thin-Film Lithium Niobate Q-Modulator Chip     


This product implements IQ modulation based on silicon-based thin-film lithium niobate, with a 3 dB bandwidth of ≥20/40/60 GHz and a half-wave voltage of ≤3.5 V. It is suitable for applications in digital communications, microwave photonics, and related technology fields.



Product model


Name Model Price
60GHz Thin-Film Lithium Niobate Q-Modulator Chip   [PDF]  [RFQ]

WPD-OE0003H
[Please inquire]
40GHz Thin-Film Lithium Niobate Q-Modulator Chip   [PDF]  [RFQ]

WPD-OE0002H
[Please inquire]
20GHz Thin-Film Lithium Niobate Q-Modulator Chip   [PDF]  [RFQ]

WPD-OE0001H
[Please inquire]

Parameter


Features

● Small size, low insertion loss, low half-wave voltage

● Co-propagating input and output (same-side light in/out)


Key Parameter

Chip Specifications (Unless otherwise noted, all measurements are at 25 °C)

Parameter

Symbol

Test Condition

Minimum Value

Typical Value

Maximum Value

Unit

Operating Wavelength

λλ


1550 (C-band)

nm

Insertion Loss

IL

1550 nm 0 dBm CW


6.5

7

dB

RF Half-Wave Voltage

1550 nm CW fmod=50kHz 


3.4

3.5

V

3 dB Bandwidth

S21


20 / 40 / 60

GHz

Modulation Extinction Ratio

ER


20



dB

RF Return Loss

S11




-10

Ω

Thermal Tuning Resistance

RH



80


mW

Thermal Tuning Pnn

Pπ



50


μm

Input/Output Waveguide Mode Field Diameter

MFD



9


μm

Input/Output Waveguide Pitch

Pitch



1000


μm


Absolute Maximum Ratings

Parameter Name

Symbol

Rating Value

Unit

Input Optical Power

Ps.o

23

dBm

Input RF Power

Ps.rf

23

dBm

Thermal Tuning Bias Voltage

VH

±8

V

Operating Temperature

Tw

-40 ~ +85

°C

Storage Temperature

Ts

-40 ~ +85

°C

Dimensions and Pin definitions

(Other structural dimensions can be customized)

nsl.png

nsl1.png


Pin

Symbol

Remarks

GSG1

GSG1

RF connection for Q

GSG2

GSG2

RF connection for I

PIN1

Min

Input MPD (Monitor Optical Power)

PIN2

HQ

Thermal tuning for Q

PIN3

HQ

Thermal tuning for Q

PIN4

HP

Thermal tuning for P

PIN5

HP

Thermal tuning for P

PIN6

HI

Thermal tuning for I

PIN7

HI

Thermal tuning for I

PIN8

MInG

Input MPD cathode

PIN9

MOut

Output MPD anode (Monitor P bias)

PIN10

MOutG

Output MPD cathode

PIN11

MQ

Q MPD anode (Monitor Q bias)

PIN12

MQG

Q MPD cathode

PIN13

MI

I MPD anode (Monitor I bias)

PIN14

MIG

I MPD cathode

Output

Output

Modulator optical output port

Input

Input

Modulator optical input port


Precautions for Use

Necessary ESD protection measures should be taken to prevent damage to the chip from static electricity.

Handle with great care to avoid touching the optical waveguide, which may affect transmission efficiency.

Welding pressure, temperature, and other parameters should be carefully controlled to avoid damaging the chip.

Application

● Spectral Analysis

● OCT

● Optical Detection

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