Light receiving element, optical device, and electronic apparatus

An optical device, comprising:

• a plurality of light receiving elements arranged in a matrix, wherein each light receiving element of the plurality of light receiving elements includes:
• a photon response multiplication part that includes a charge multiplication region configured to multiply a charge generated based on incidence of a photon;
• a first resistor part having a first end and a second end, wherein
• the first end of the first resistor part is connected to a first end of the photon response multiplication part, and
• a first resistance value of the first resistor part is different from a second resistance value between a cathode and an anode of the photon response multiplication part;
• a second resistor part having a first end, wherein
• the first end of the second resistor part is connected to the second end of the first resistor part, and
• a third resistance value of the second resistor part is different from the second resistance value between the cathode and the anode of the photon response multiplication part;
• a connection point to which the second end of the first resistor part, the first end of the second resistor part, and a readout unit are connected, wherein
• the readout unit is configured to read an output from the photon response multiplication part;
• a first capacitor connected to the first end of the first resistor part;
• and
• a second capacitor connected to the second end of the first resistor part, wherein a capacitance of the second capacitor is different from a capacitance of the first capacitor.

An electronic apparatus, comprising:

• an optical system;
• and
• an optical device that includes a plurality of light receiving elements, wherein
• photons transmitted through the optical system are incident on the plurality of light receiving elements,
• the plurality of light receiving elements is arranged in a matrix, and
• each light receiving element of the plurality of light receiving elements includes:
• a photon response multiplication part that includes a charge multiplication region configured to multiply a charge generated based on incidence of a photon;
• a first resistor part having a first end and a second end, wherein
• the first end of the first resistor part is connected to a first end of the photon response multiplication part, and
• a first resistance value of the first resistor part is different from a second resistance value between a cathode and an anode of the photon response multiplication part;
• a second resistor part having a first end, wherein
• the first end of the second resistor part is connected to the second end of the first resistor part, and
• a third resistance value of the second resistor part is different from the second resistance value between the cathode and the anode of the photon response multiplication part;
• a connection point to which the second end of the first resistor part, the first end of the second resistor part, and a readout unit are connected, wherein
• the readout unit is configured to read an output from the photon response multiplication part;
• a first capacitor connected to the first end of the first resistor part;
• and
• a second capacitor connected to the second end of the first resistor part, wherein a capacitance of the second capacitor is different from a capacitance of the first capacitor.