Abstract
A compact packaging module for direct liquid cooling of room-temperature quantum cascade lasers is implemented. The light was coupled out of the hermetically sealed package through a mid-infrared fibre epoxy-bonded to the laser. The threshold current reduces by ∼10%, compared to convectional substrate-side cooled lasers when using low boiling temperature (boiling point (b.p.)=34°C) 3M HFE-7000 coolant. No reduction was observed with high boiling point 3M FC-77 (b.p.=97°C) coolant.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 534-535 |
| Number of pages | 2 |
| Journal | Electronics Letters |
| Volume | 42 |
| Issue number | 9 |
| DOIs | |
| State | Published - 2006 |
All Science Journal Classification (ASJC) codes
- Electrical and Electronic Engineering
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