====== Laserdiode ======

Company: RIO-Lasers 
  * Typ: rio PLaNeX™ external cavity Laser (http://www.rio-lasers.com/_products/planex.html)
  * Serial Number: 105638
  * {{ :groups:mg:project_ptb-cavity:rio_orion_planex_product_brief_1.24.14.pdf |Product_brief/Manual}}
  * {{ :groups:mg:project_ptb-cavity:planex_laser_rio019x_datasheet_rev.0.3.0.pdf |Datasheet}}

==== Specification for ordering ====

  * Part Number for ordering: RIO0195-5-01-4-AK8 

    * Fiber/Connector: PMF/FC-APC
    * Output Power (min.): 20 mW
    * Wavelength: Custum Wavelength 1560.493 nm
    * Phase Noise/Linewidth: Grade 4
      * Spectral Linewidth:( ≤ 2kHz)
      * Phase Noise typical @ 200 Hz: 4 μrad/rt-Hz 1 m OPD

==== Absolute Maximum Ratings ====
  * Fiber bend radius: 35 mm
  * Tensile strength, fiber to the package: 5 N

^ Parameter                    ^ Max      ^ Unit  ^
| Laser diode reverse voltage  | 1.2      | V     |
| Laser diode forward current  | 250      | mA    |
| TEC current                  | **1.5**  | A     |
| TEC voltage                  | 4        | V     |
| ESD-susceptibility           | **500**  | V     |


^ Parameter                                    ^ Conditions                 ^ Min   ^ Typ  ^ Max   ^ Unit  ^
| Monitor diode reverse voltage                |                            |       |      | 15    | V     |
| Monitor diode forward current                |                            |       |      | 25    | mA    |
| Monitor bias voltage (V<sub>R</sub>)         | Cathode positive to anode  | 4,75  | 5    | 5,25  | V     |
| Monitor diode current (I<sub>mc</sub>)       | P<sub>out</sub>            | 0,05  |      | 1     | mA    |
| Monitor diode dark current (I<sub>md</sub>)  | V<sub>R</sub> = 5 V        |       |      | 5     | nA    |

==== Optical and Electrical Specifications ====

^ Parameter                    ^ Symbol  ^ Conditions                  ^ Min                            ^ Typ  ^ Max             ^ Unit   ^ ^
| TEC set Temperature          | T<sub>set</sub>    | specified for every laser   | 15                             |      | 50              | °C     | |
| Threshold current            | I<sub>th</sub>     | @T<sub>set</sub>            | see ordering information page                         ||| mW     | |
| Laser Bias Current           | I<sub>b</sub>      | CW, P<sub>out</sub>         |                                | 120  | **200** (140?)  | mA     | |
| Side Mode Suppression Ratio  | SMSR               | CW, at specified Pout       | 40                             |      |                 | dB     | |
| Wavelength tunability        | Δλτ                | via TEC temperature change  | 30                             |      |                 | pm     | phase continous tuning by changing TEC temperature. Some performance parameters will change over tuning range.  |
| Relative Intensity Noise     | RIN                | ≥ 1 kHz                     |                                |      | -140            | dB/Hz  | |
| :::                          | :::                | ≥ 500 kHz                   | shot noise limited                                    ||| :::    | |
| Modulation bandwidth         |                    |                             | 1                              |      |                 | GHz    | |
| Input Impedance              | Z<sub>0</sub>      |                             |                                | 25   |                 | Ohm    | |
| Optical Isolation            | ISO                |                             | 40                             |      |                 | dB     | |


==== Linewidth and Phase Noise Specifications ====
^ Parameter                   ^ Symbol  ^ Conditions  ^  Grade 4 ^ Unit                ^                                                                                               ^
| Phase Noise Typical Values  | PhN     | @ 10 Hz     | 20       | μrad/rt-Hz 1 m OPD  | measured with RIO's interferometric phase noise test setup, 1m path mismatch in the SM fiber  |
| :::                         | :::     | @ 200 Hz    | 4        | :::                 | :::                                                                                           |

==== Thermal Specifications ====
^ Parameter               ^ Symbol         ^ Conditions                          ^ Min  ^ Typ   ^ Max  ^ Unit  ^
| Thermistor resistance   | R<sub>t</sub>  | At 25 °C                            |      | 10    |      | kΩ    |
| Constant of thermistor  | β              |                                     |      | 3950  |      | K     |
| TEC power dissipation   | W<sub>0</sub>  | T<sub>CASE</sub> = -5 to 75 °C, Ts  |      | 2.0   | 3.5  | W     |


==== DWDM ITU Wavelength ====
^ ITU channel number ^ ITU Frequency (THz) ^ Wavelength (nm) ^
| 21 | 192.10 | 1560.61 |

==== Test report from RIO PLANEX laser ====
{{ :groups:mg:project_ptb-cavity:105638_test_report_rev4.1_20mw_automated.pdf |Full test report}}
^ Parameter            ^ Value          ^ Units   ^
| Operating Temerature (Tset) [Thermistor resistance: 14.000 kΩ at Tset]       | 17.5     | °C |
| Operating Bias Current (Ibias)     | 124     | mA |
| Maximum Bias Current (Imax)     | 140     | mA |
| Output Power at Tset and Ibias     | 20.5     | mW |
| Threshold Current     | 4.3     | mA |
| Center Wavelength at Tset and Ibias  | 1560.478     | nm |
| Custom Wavelength  | 1560.493     | nm |
| Offset from Custom Wavelength | -15     | pm |
| Linewidth (Lorentzian FWHM)  | 1.30     | kHz |
| Side Mode Suppression Ratio at Tset and Ibiass  | 55     | dB |
| Polarization Extinction ratio (room temperature)  | > 25     | dB  |