Table 1 A comparison of various reconfigurable electro-optic directed logic circuits.

From: Experimental demonstration of a reconfigurable electro-optic directed logic circuit using cascaded carrier-injection micro-ring resonators

Structure

Extra MUX/DEMUX

Number of Operands

MRRs required in reconfigurable two-operand operation

Modulation scheme

Operation speed

2 × 2 Switches arraya

YES

4

7

Forward biased PIN junction

~500 Mb/s

2 × 2 Switches arrayb

YES

4

7

Reverse biased PN junction

3 Gb/s

1 × 4 Switches arrayc

NO

4

2

Micro-heater

10 Kb/s

1 × 3 Switches arrayd

NO

3

2

Forward biased PIN junction

100 Mb/s

  1. aTaken from ref. 43.
  2. bTaken from ref. 44.
  3. cTaken from ref. 42.
  4. dTaken from this work.