Financial Performance - Ciena's Q2 FY2025 revenue reached $1,125.9 million, compared to $910.8 million in Q2 FY2024[46] - The adjusted gross margin was 41.0% in Q2 FY2025, a decrease from 43.5% in Q2 FY2024[46] - Adjusted operating expenses increased to $369.5 million in Q2 FY2025 from $333.9 million in Q2 FY2024[46] - Adjusted EBITDA for Q2 FY2025 was $116.7 million, up from $85.8 million in Q2 FY2024[46] - Adjusted EPS increased to $0.42 in Q2 FY2025 from $0.27 in Q2 FY2024[46] Revenue Segmentation - Optical Networking revenue was $773.6 million, representing 68.7% of total revenue in Q2 FY2025, compared to $560.2 million and 61.5% in Q2 FY2024[50] - Routing and Switching revenue was $92.7 million, accounting for 8.2% of total revenue in Q2 FY2025, compared to $116.1 million and 12.7% in Q2 FY2024[50] - Blue Planet Automation Software and Services revenue nearly doubled year-over-year, reaching $28.0 million in Q2 FY2025 from $14.4 million in Q2 FY2024[44, 50] Customer and Market Growth - Non-telco customers accounted for 54% of total revenue in Q2 FY2025[44] - Direct Cloud Provider revenue grew 85% year-over-year and represented 38% of total revenue[44] - EMEA revenue increased by 23% year-over-year[44]