Apparatus for compensating parasitic impedance for integrated circuits

A method, comprising:

• operating a laser diode driver circuit in a first phase of driving a laser diode, wherein:
• a first current passes through a first pair of connection paths of the laser diode driver circuit, the first pair of connection paths coupled to an anode of the laser diode and including a first connection path and a second connection path, and
• a second current passes through a second pair of connection paths of the laser diode driver circuit, the second pair of connection paths coupled to a cathode of the laser diode and including a third connection path and a fourth connection path, and
• a potential difference between the cathode and the anode is below a diode activation value;
• operating the laser diode driver circuit in a second phase of driving the laser diode subsequent to the first phase, wherein:
• the second current passes through the first connection path of the first pair of connection paths, the laser diode and the third connection path of the second pair of connection paths, and
• the potential difference between the cathode and the anode is above the diode activation value;
• and
• operating the laser diode driver circuit in a third phase of driving the laser diode subsequent to the second phase, wherein:
• a third current passes through the first connection path of the first pair of connection paths, the laser diode and the third connection path of the second pair of connection paths, and
• the potential difference between the cathode and the anode is below the diode activation value.

A driver circuit, comprising:

• a first pair of connection paths configured to be coupled to a first terminal of a device, the first pair of connection paths including a first connection path having a first inductance and a second connection path having a second inductance;
• a second pair of connection paths configured to be coupled to a second terminal of the device, the second pair of connection paths including a third connection path having a third inductance and a fourth connection path having a fourth inductance;
• and
• current driving circuitry having a timing generating circuitry, the timing generating circuitry configured to generate:
• a first clock signal;
• a second clock signal, which is a first phase-shifted version of the first clock signal;
• a third clock signal, which is a second phase-shifted version of the first clock signal;
• and
• a fourth clock signal, which is a third phase-shifted version of the first clock signal.

A laser diode driver circuit comprising:

• a plurality of connection paths including:
• a first pair of connection paths each coupled to an anode of a laser diode, the first pair of connection paths including a first connection path and a second connection path, a first inductance of the first connection path being substantially equal to a second inductance of the second connection path;
• and
• a second pair of connection paths each coupled to a cathode of the laser diode, the second pair of connection paths including a third connection path and a fourth connection path, a third inductance of the third connection path being substantially equal to a fourth inductance of the fourth connection path;
• and
• current driving circuitry, configured to drive one or more current passing through one or more connection paths of the plurality of connection paths, the current driving circuitry including:
• a first diode having an anode coupled to a low potential supply node and a cathode;
• and
• a first switch configured to selectively couple the third connection path to the cathode of the first diode or to a high potential supply node.