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Table 1 Comparison of large-scale integrated optical switches

From: Large-scale optical switches by thermo-optic waveguide lens

Refs

Year

Port Count

Switch Type and Materials

IL (dB)

XT (dB)

Polarization PDL (dB)

λ range (nm) WDL (dB)

Footprint (mm2) and Power

[14]

2016

16 × 16

EO-MZI

Silicon

~20

on-chip

-10

TE only

1530 ~ 1590

not given

10.7 × 4.4

1.17 W

[15]

2017

32 × 32

EO-MZI

Silicon

24.3

on-chip

-14.1

TE only

1500 ~ 1570

7.1

12.1 × 5.2

max 542.3 mW

[16]

2018

32 × 32

TO-MZI

Silicon

 ~ 45

on-chip

~-22

TE only

1530 ~ 1565

not given

12 × 12

 < 1 W (on-die)

[17]

2019

32 × 32

TO-MZI

Silicon

12.8

1547 nm

f2f

-20

TE only

1547 (14.2 nm bandwidth for -20 dB XT)

10 × 26

1.9 W

[18]

2020

32 × 32

TO-MZI

SiN/Si

~65

f2f

-13.1

TE and TM

 ~ 7

demonstrated at 1547

22.5 × 10

not given

[19]

2001

1 × 128

TO-MZI

Silica

4.3

f2f

-29.8

not given

not given

57 × 60

max 3.2 W

[32]

2012

1 × 100

TO-Phase Array

InP

15.2

on-chip

-50

TE only

1533 ~ 1570

3

6 × 6.5

 < 25 mW

This work

2024

1 × 576

TOWL

Polymer

8.9

f2f

 < -30

TE and TM

0.81

1500 ~ 1600

1.9

30 × 47

 ~ 0.5 W

  1. The IL, XT, PDL values are given for the worst cases
  2. EO electro-optic, TO thermo-optic, IL insertion loss, XT crosstalk, PDL polarization dependent loss, WDL wavelength dependent loss, f2f fiber to fiber