Optical-electrical device using hybrid automated testing equipment

Abstract

An optical-electrical device can implement a feedback-based control loop for temperature of the device during component calibration. The optical-electrical device can implement compressed air to vary the device temperature during calibration. Additionally, non-active components of the device can be provided current to vary the temperature of the device in concert with the provided compressed air. Additional calibration temperatures can be implemented by activating and deactivating additional non-active components in the device, such as light sources, optical amplifiers, and modulators.

What is claimed is: 
     
         1 . A method for calibrating a photonic integrated circuit device, the method comprising:
 activating an optical component in the photonic integrated circuit device;   determining an initial temperature using an integrated temperature sensor that is integrated in the photonic integrated circuit device;   receiving a calibration adjustment to the optical component of the photonic integrated circuit device;   detecting an increased temperature generated by the integrated temperature sensor; and   in response to the increased temperature, adjusting, using a processor circuit in the photonic integrated circuit device, a temperature control signal to cause a pressured air source to vary an airflow directed towards the photonic integrated circuit device such that a temperature of the photonic integrated circuit device is adjusted closer to the initial temperature.   
     
     
         2 . The method of  claim 1 , wherein the temperature control signal is continually adjusted to cause the pressured air source to vary a strength of the airflow, and wherein the airflow is directed to the photonic integrated circuit device using a directional channel that is near the photonic integrated circuit device. 
     
     
         3 . The method of  claim 2 , wherein the directional channel does not touch the photonic integrated circuit device while directing the airflow towards the photonic integrated circuit device. 
     
     
         4 . The method of  claim 1 , wherein the pressured air source is an air compressor with an electrically controllable valve. 
     
     
         5 . The method of  claim 1 , wherein the processor circuit is electrically connected to the photonic integrated circuit device to receive temperature vales from the integrated temperature sensor. 
     
     
         6 . The method of  claim 1 , wherein the photonic integrated circuit device comprises an additional optical component that operates independently of the optical component. 
     
     
         7 . The method of  claim 6 , wherein the photonic integrated circuit device is an optical transceiver comprising an optical transmitter and an optical receiver, wherein the optical component comprises an optical transmitter component of the optical transmitter, and wherein the additional optical component comprises an optical receiver component of the optical receiver. 
     
     
         8 . The method of  claim 6 , wherein the photonic integrated circuit device is a multi-lane optical transmitter, wherein the optical component comprises a component of one lane of the multi-lane optical transmitter, and wherein the additional optical component comprises another optical component in another lane of the multi-lane optical transmitter. 
     
     
         9 . The method of  claim 6 , wherein the optical component comprises a component for calibration at the initial temperature, wherein the additional optical component comprises a current-receiving component of the photonic integrated circuit device that does not receive the calibration adjustment at the initial temperature. 
     
     
         10 . The method of  claim 1 , wherein the optical component is activated by supplying electrical current to the optical component. 
     
     
         11 . The method of  claim 1 , wherein the optical component comprises one or more of: a light source, an optical amplifier, an electro-absorption modulator, a phase-based coupler, a photodetector. 
     
     
         12 . A photonic integrated circuit device comprising:
 an optical component to receive current that sets the photonic integrated circuit device at an initial temperature, the optical component receiving a calibration adjustment while the photonic integrated circuit device is set to the initial temperature;   an integrated temperature sensor to determine an initial temperature; and   a processor circuit to generate a temperature control signal that adjusts a pressured air source that directs an airflow towards the photonic integrated circuit device such that a strength of the airflow is changed and a temperature of the photonic integrated circuit device is adjusted closer to the initial temperature.   
     
     
         13 . The photonic integrated circuit device of  claim 12 , wherein the temperature control signal is continually adjusted to cause the pressured air source to vary the strength of the airflow, and wherein the airflow is directed to the photonic integrated circuit device using a directional channel that is near the photonic integrated circuit device. 
     
     
         14 . The photonic integrated circuit device of  claim 13 , wherein the directional channel does not touch the photonic integrated circuit device while directing the airflow towards the photonic integrated circuit device. 
     
     
         15 . The photonic integrated circuit device of  claim 12 , wherein the pressured air source is an air compressor with an electrically controllable valve. 
     
     
         16 . The photonic integrated circuit device of  claim 12 , wherein the processor circuit is electrically connected to the photonic integrated circuit device to receive temperature vales from the integrated temperature sensor. 
     
     
         17 . The photonic integrated circuit device of  claim 12 , wherein the photonic integrated circuit device comprises an additional optical component that operates independently of the optical component. 
     
     
         18 . The photonic integrated circuit device of  claim 17 , wherein the photonic integrated circuit device is an optical transceiver comprising an optical transmitter and an optical receiver, wherein the optical component comprises an optical transmitter component of the optical transmitter, and wherein the additional optical component comprises an optical receiver component of the optical receiver. 
     
     
         19 . The photonic integrated circuit device of  claim 17 , wherein the photonic integrated circuit device is a multi-lane optical transmitter, wherein the optical component comprises a component of one lane of the multi-lane optical transmitter, and wherein the additional optical component comprises another optical component that is in another lane of the multi-lane optical transmitter. 
     
     
         20 . The photonic integrated circuit device of  claim 12 , wherein the optical component comprises one or more of: a light source, an optical amplifier, an electro-absorption modulator, a phase-based coupler, a photodetector.